Publications

2017


Jesse T. E. Quinn,‡ Chang Guo,‡ Fezza Haider, Haritosh Patel, Daid A. Khan and Yuning Li, Regioisomerism of alkyl-substituted bithiophene comonomer in (3E,8E)-3,8-bis(2-oxoindolin-3-ylidene)naphtho-[1,2-b:5,6-b′]difuran-2,7(3H,8H)-dione (INDF) based D-A polymers for organic thin film transistors. J. Mater. Chem. C, 2017, 5, 5902-5909. Accepted on May 14, 2017. (Included in the Hot Article 2017 web collection for Journal of Materials Chemistry C.)

Le Borgne, M.; Quinn, J.; Martin, J.; Stingelin, N.; Li, Y.; Wantz, G. New 3,3′-(ethane-1, 2- diylidene)bis(indolin-2-one) (EBI)-based small molecule semiconductors for organic solar cells. J. Mater. Chem. C. 2017, 5, 5143-5153. Accepted on April 13, 2017.

Yan, L.; Han. D.; Xiao, M.; Ren, S.; Li, Y.; Wang, S.; Meng, Y. Instantaneously Carbonization of Acetylenic Polymer into Highly Conductive Graphene-like Carbon and Its Application in Lithium-Sulfur Batteries.J. Mater. Chem. A. 2017, DOI: 10.1039/C7TA01400G. Accepted 14 Mar 2017.

Hu, L.; Qiao, W.; Zhou, X.; Han, J.; Zhang, X.; Ma, D.; Li, Y.; Wang, Z. Y. Side-Chain Engineering for Fine-Tuning of Molecular Packing and Nanoscale Blend Morphology in Polymer Photodetectors.Polym. Chem., DOI: 10.1039/C7PY00087A.Accepted 08 Mar 2017.

Hu, L.; Qiao, W.; Zhou, X.; Zhang, X.; Ma, D.; Li, Y.; Wang, Z. Y. Effect of Compositions of Acceptor Polymers on Dark Current and Photocurrent of All-Polymer Bulk-Heterojunction Photodetectors.Polymer 2017 (doi: 10.1016/j.polymer.2017.02.060). (Accepted on 19 February 2017)

Bura, T.; Beaupre, S.; Légaré, M.; Quinn, J.; Blaskovits, T.; Rochette, É.; Fontaine, F.; Pron, A.; Li, Y.; Leclerc, M. Direct Heteroarylation Polymerization: Guidelines for Defect-Free Conjugated Polymers. Chem. Sci. 2017 DOI: 10.1039/C7SC00589J

Blaskovits, J. T.; Bura, T.; Beaupré, S.; Lopez, S. A.; Roy, C.; de Goes Soares, J.; Oh, A.; Quinn, J.; Li, Y.; Aspuru-Guzik, A.; et al. A Study of the Degree of Fluorination in Regioregular Poly(3-hexylthiophene). Macromolecules 2017, 50 (1), 162–174 DOI: 10.1021/acs.macromol.6b02365

Han, J.; Qi, J.; Zheng, X.; Wang, Y.; Hu, L.; Guo, C.; Wang, Y.; Li, Y.; Ma, D.; Qiao, W.; et al. Low-bandgap Donor-Acceptor Polymers for Photodetectors with Photoresponsivity from 300 nm to 1600 nm. J. Mater. Chem. C 2017, 5, 159-165 DOI: 10.1039/C6TC05031J.

Hu, L.; Qiao, W.; Han, J.; Zhou, X.; Wang, C.; Ma, D.; Wang, Z. Y.; Li, Y. Naphthalene diimide–diketopyrrolopyrrole copolymers as non-fullerene acceptors for use in bulk-heterojunction all-polymer UV–NIR photodetectors. Polym. Chem. 2017, 8, 528-536 DOI: 10.1039/C6PY01828A.

2016


Yao, C.; Carlisi, C.; Li, Y.; Chen, D.; Ding, J.; Feng, Y.-L. Interaction potency of single-walled carbon nanotubes with DNAs: a novel assay for assessment of hazard risk. PLOS ONE, 2016, PLoS ONE 11(12): e0167796 DOI: 10.1371/journal.pone.0167796

Quinn, J.; Patel, H.; Haider, F.; Khan, D. A.; Li, Y. Converting a semiconducting polymer from ambipolar into n-type dominant by amine end-capping. ChemElectroChem 2016, 4, 256. DOI: 10.1002/celc.201600628.

Chow, M. J.; Sun, B.; He, Y.; Payne, M. M.; Anthony, J. E.; Li, Y.; Levine, P. M.; Wong, W. S. Transistor Sizing for Bias-Stress Instability Compensation in Inkjet-Printed Organic Complementary Inverters. IEEE Electron Device Lett. 2016, 37 (11), 1438-1441 DOI: 10.1109/LED.2016.2614536

Quinn, J.; He, Y.; Khan, D. A.; Rasmussen, J.; Patel, H.; Haider, F.; Kapadia, W.; Li, Y. Synthesis, characterization, and air stability study of pyrimido[4,5-g]quinazoline-4,9-dione-based polymers for organic thin-film transistors. RSC Adv. 20166 (82), 78477–78485 DOI: 10.1039/C6RA17595C.

Yang, Y.; Li, Y.; Pritzker, M. Control of Cu2O Film Morphology Using Potentiostatic Pulsed Electrodeposition. Electrochimica Acta 2016213, 225–235 DOI: 10.1016/j.electacta.2016.07.116.

Zhang, J.; Xiao, P.; Dumur, F.; Guo, C.; Hong, W.; Li, Y.; Gigmes, D.; Graff, B.; Fouassier, J.-P.; Lalevée, J. Polymeric Photoinitiators: A New Search toward High Performance Visible Light Photoinitiating Systems. Macromol. Chem. Phys. 2016217 (19), 2145–2153 DOI: 10.1002/macp.201600260.

Sun, B.; Hong, W.; Guo, C.; Sutty, S.; Aziz, H.; Li, Y. Utilization of hole trapping effect of aromatic amines to convert polymer semiconductor from ambipolar into n-type. Org. Electron. 201637, 190–196 DOI: 10.1016/j.orgel.2016.06.028.

Guo, C.; Quinn, J.; Sun, B.; Li, Y. Dramatically Different Charge Transport Properties of Bisthienyl Diketopyrrolopyrrole-Bithiazole Copolymers Synthesized via Two Direct (Hetero)arylation Polymerization Routes. Polym. Chem. 20167 (27), 4515–4524 DOI: 10.1039/C6PY00762G.

Guo, L.; Quinn, J.; Wang, J.; Guo, C.; Li, X.; Wang, J.; Li, Y.  A fluorene-fused triphenodioxazine (FTPDO) based polymer with remarkable thermal stability and significantly enhanced charge transport performance in air. Dyes Pigments 2016, 132, 329-335 DOI: 10.1016/j.dyepig.2016.05.011

He, Y.; Quinn, J.; Deng, Y.; Li, Y. 3,7-Bis((E)-2-oxoindolin-3-ylidene)-3,7-dihydrobenzo[1,2-b:4,5-b′]dithiophene-2,6-dione (IBDT) based polymer with balanced ambipolar charge transport performance. Org. Electron. 201635, 41–46 DOI: 10.1016/j.orgel.2016.05.003.

Deng, Y.; Sun, B.; Quinn, J.; He, Y.; Ellard, J.; Guo, C.; Li, Y. Thiophene-S,S-dioxidized indophenines as high performance n-type organic semiconductors for thin film transistors. RSC Adv. 20166 (51), 45410–45418 DOI: 10.1039/C6RA06316K.

Pouliot, J.-R.; Wakioka, M.; Ozawa, F.; Li, Y.; Leclerc, M. Structural Analysis of Poly(3-hexylthiophene) Prepared via Direct Heteroarylation Polymerization. Macromol. Chem. Phys. 2016 DOI: 10.1002/macp.201600050.

Le Borgne, M.; Quinn, J.; Martín, J.; Stingelin, N.; Wantz, G.; Li, Y. Synthesis and properties of a novel narrow band gap oligomeric diketopyrrolopyrrole-based organic semiconductor. Dyes Pigm. 2016131 (August 2016), 160–167 DOI: 10.1016/j.dyepig.2016.04.002.

Deng, Y.; Sun, B.; Quinn, J.; He, Y.; Ellard, J.; Guo, C.; Li, Y. Thiophene-S,S-dioxidized indophenine (IDTO) based donor-acceptor polymers for n-channel organic thin film transistors. RSC Adv. 20166 (41), 34849–34854 DOI: 10.1039/C6RA03221D.

Quinn, J.; Guo, G.; Ko, L.; Sun, B.; He, Y.; Li, Y. “Pyrazino[2,3-g]quinoxaline-2,7-dione based π-conjugated polymers with affinity towards acids and semiconductor performance in organic thin film transistors”, RSC Adv. 2016, 6, 22043–22051.

Deng, Y.; Sun, B.; He, Y.; Quinn, J.; Guo, C.; Li, Y. Thiophene-S,S-dioxidized Indophenine: A Quinoid-Type Building Block with High Electron Affinity for Constructing n-Type Polymer Semiconductors with Narrow Band Gaps. Angew. Chem. Int. Ed. 201655 (10), 3459–3462 DOI: 10.1002/anie.201508781.

2015


Qi, J.; Han, J.; Zhou, X.; Guo, C.; Yang, D.; Qiao, W.; Li, Y.; Ma, D.; Wang, Z. Y.       End-Group Engineering of Low-Bandgap Compounds for High-Detectivity Solution-Processed Small-Molecule Photodetectors. J. Phys. Chem. C 2015, 119, 25243–25251. DOI: 10.1021/acs.jpcc.5b08471

Quinn, J.; Guo, C.; Sun, B.; Chan, A.; He, Y.; Jin, E.; Li, Y. Pyrimido[4,5-g]quinazoline-4,9-dione as a new building block for constructing polymer semiconductors with high sensitivity to acids and hole transport performance in organic thin film transistors. J. Mater. Chem. C 20153 (45), 11937–11944 DOI: 10.1039/C5TC02472B.

Kozycz, L. M.; Guo, C; Manion, J. G.; Tilley, A. J.; Lough, A. J.;  Li, Y.; Seferos, D. S. Enhanced Electron Mobility in Crystalline Thionated Naphthalene Diimides. J. Mater. Chem. C 2015, 3, 11505-11515 DOI: 10.1039/C5TC02753E

Guo, C.; Quinn, J.; Sun, B.; Li, Y. Regioisomeric control of charge transport polarity for indigo-based polymers. Polym. Chem. 20156 (39), 6998–7004 DOI: 10.1039/C5PY00821B.

Sun, B.; Hong, W.; Thibau, E. S.; Aziz, H.; Lu, Z.-H.; Li, Y. Polyethylenimine (PEI) As an Effective Dopant To Conveniently Convert Ambipolar and p-Type Polymers into Unipolar n-Type Polymers. ACS Appl. Mater. Interfaces 20157 (33), 18662–18671 DOI: 10.1021/acsami.5b05097.

Bridges, C. R.; Guo, C.; Yan, H.; Miltenburg, M.; Li, P.; Li, Y.; Seferos, D. S. Conjugated Polymers with Switchable Electronic Properties. Macromolecules 2015, 48, 5587–5595 DOI: 10.1021/acs.macromol.5b01225

He, Y.; Guo, C.; Sun, B.; Quinn, J.; Li, Y. Branched alkyl ester side chains rendering large polycyclic (3E,7E)-3,7-bis(2-oxoindolin-3-ylidene)benzo[1,2-b:4,5-b′]difuran-2,6(3H,7H)-dione (IBDF) based donor–acceptor polymers solution-processability for organic thin film transistors. Polym. Chem. 20156 (37), 6689–6697 DOI: 10.1039/C5PY00782H.

Deng, Y.; Sun, B.; He, Y.; Quinn, J.; Guo, C.; Li, Y. (3E,8E)-3,8-Bis(2-oxoindolin-3-ylidene)naphtho-[1,2-b:5,6-b’]difuran-2,7(3H,8H)-dione (INDF) based polymers for organic thin-film transistors with highly balanced ambipolar charge transport characteristics. Chem. Commun. 2015, 51, 13515-13518 DOI: 10.1039/C5CC03917G

Murphy, L.; Sun, B.; Hong, W.; Aziz, H.; Li, Y. Study of Vertical and Lateral Charge Transport Properties of DPP-Based Polymer/PC61BM Films Using Space Charge Limited Current (SCLC) and Field Effect Transistor Methods and their Effects on Photovoltaic Characteristics. Australian Journal of Chemistry 201568 (11), 1741 DOI: 10.1071/CH15283.

Wei, S.; Zhang, Y.; Liu, J.; Li, X.; Wu, Y.; Wei, H.; Weng, Y.; Gao, X.; Li, Y.; Wang, S.-D.; et al. Large Modulation of Charge Transport Anisotropy by Controlling the Alignment of π–π Stacks in Diketopyrrolopyrrole-Based Polymers. Adv. Mater. Interfaces 20152 (13) DOI: 10.1002/admi.201500153.

Zhang, J.; Zivic, N.; Dumur, F.; Guo, C.; Li, Y.; Xiao, P.; Graff, B.; Gigmes, D.; Fouassier, J. P.; Lalée, J. Panchromatic photoinitiators for radical, cationic and thiol-ene polymerization reactions: A search in the diketopyrrolopyrrole or indigo dye series. Mater. Today Commun. 20154, 101–108 DOI: 10.1016/j.mtcomm.2015.06.007.

Guo, C.; Quinn, J.; Sun, B.; Li, Y.  Indigo-based Polymer Bearing Thermocleavable Side Chains for N-Type Organic Thin Film Transistors. J. Mater. Chem. C 2015, 3, 5226-5232 DOI: 10.1039/C5TC00512D

He, Y.; Guo, C.; Sun, B.; Quinn, J.; Li, Y. (3E,7E)-3,7-Bis(2-oxoindolin-3-ylidene)-5,7-dihydropyrrolo[2,3-f]indole-2,6(1H,3H)-dione based polymers for ambipolar organic thin film transistors. Chem. Commun. 201551 (38), 8093–8096 DOI: 10.1039/C5CC01021G.

Tilley, A. J.; Guo, C.; Miltenburg, M. B.; Schon, T. B.; Yan, H.; Li, Y.; Seferos, D. S. Thionation Enhances the Electron Mobility of Perylene Diimide for High Performance n-Channel Organic Field Effect Transistors. Adv. Funct. Mater. 201525 (22), 3321–3329 DOI: 10.1002/adfm.201500837.

Hong, W.; Chen, S.; Sun, B.; Arnould, M.; Meng, Y.; Li, Y. Is a polymer semiconductor having a “perfect” regular structure desirable for organic thin film transistors? Chem. Sci. 2015, 6, 3225-3235 DOI: 10.1039/C5SC00843C

Hong, W.; Guo, C.; Sun, B.; Li, Y. (3Z,3’Z)-3,3′-(Hydrazine-1,2-diylidene)bis(indolin-2-one) as a new electron-acceptor building block for donor-acceptor p-conjugated polymers for organic thin film transistors. J. Mater. Chem. C 2015, 3, 4464-4470 DOI: 10.1039/C5TC00447K

Quinn, J.; Jin, E.; Li, Y. New synthetic route to pyrimido[4,5-g]quinazoline-4,9-diones. Tetrahedron Lett. 201556 (17), 2280–2282 DOI: 10.1016/j.tetlet.2015.03.085.

Morin, P.-O.; Bura, T.; Sun, B.; Gorelsky, S. I.; Li, Y.; Leclerc, M. Conjugated Polymers à la Carte from Time-Controlled Direct (Hetero)Arylation Polymerization. ACS Macro Lett. 20154 (1), 21–24 DOI: 10.1021/mz500656g.

Pouliot, J.-R.; Sun, B.; Leduc, M.; Najari, A.; Li, Y.; Leclerc, M. A high mobility DPP-based polymer obtained via direct (hetero)arylation polymerization. Polym. Chem. 20156 (2), 278–282 DOI: 10.1039/C4PY01222D.

Sun, B.; Hong, W.; Aziz, H.; Li, Y. A pyridine-flanked diketopyrrolopyrrole (DPP)-based donor-acceptor polymer showing high mobility in ambipolar and n-channel organic thin film transistors. Polym. Chem. 2015, 6, 938-945 DOI: 10.1039/C4PY01193G

2014


Sun, B.; Hong, W.; Thibau, E.; Aziz, H.; Lu, Z.-H.; Li, Y. Facile conversion of polymer organic thin film transistors from ambipolar and p-type into unipolar n-type using polyethyleneimine (PEI)-modified electrodes. Org. Electron. 201415 (12), 3787–3794 DOI: 10.1016/j.orgel.2014.10.026.

He, Y.; Hong, W.; Li, Y. New building blocks for π-conjugated polymer semiconductors for organic thin film transistors and photovoltaics. J. Mater. Chem. C 2014, 2, 8651-8661 (Accepted on 24 August 2014) DOI: 10.1039/C4TC01201A

Yang, Y.; Li, Y.; Pritzker, M. Morphological Evolution of Anodic TiO2 Nanotubes, RSC Adv., 2014, 4 (68), 35833 – 35843 (Accepted 07 Aug 2014) DOI: 10.1039/C4RA05006A

Yan, Z.; Sun, B.; Guo, C.; Li, Y. Synthesis and properties of azothiazole based p-conjugated polymers. J. Mater. Chem. C, 2014, 2, 7096-7103 (accepted on 26 Jun 2014) DOI: 10.1039/C4TC00809J

Guo, C.; Sun, B.; Li, Y. Synthesis and properties of pyrrolo[3,4-c]pyrrole-1,3-dione based polymer semiconductors and their performance in organic thin film transistors. Polym. Chem. 20145 (18), 5247–5254 DOI: 10.1039/c4py00372a.

Chen, S.; Sun, B.; Guo, C.; Hong, W.; Meng, Y.; Li, Y. 3,3’-(Ethane-1,2-diylidene)bis(indolin-2-one) based conjugated polymers for organic thin film transistors. Chem. Commun. 201450 (49), 6509–12 DOI: 10.1039/c4cc02840f.

Guo, C.; Sun, B.; Quinn, J.; Yan, Z.; Li, Y. Synthesis and properties of indigo based donor–acceptor conjugated polymers. J. Mater. Chem. C 20142 (21), 4289–4296 DOI: 10.1039/C3TC32276A.

Sun, B.; Hong, W.; Yan, Z.; Aziz, H.; Li, Y. Record high electron mobility of 6.3 cm2V-1s-1 achieved for polymer semiconductors using a new building block. Adv. Mater. 201426 (17), 2636–2642 DOI: 10.1002/adma.201305981.

Xiao, P.; Hong, W.; Li, Y.; Dumur, F.; Graff, B.; Fouassier, J. P.; Gigmes, D.; Lalevée, J. Diketopyrrolopyrrole dyes: Structure/reactivity/efficiency relationship in photoinitiating systems upon visible lights. Polymer 201455 (3), 746–751 DOI: 10.1016/j.polymer.2014.01.003.

Chen, S.; Sun, B.; Hong, W.; Aziz, H.; Meng, Y.; Li, Y. Influences of Side Chain Length and Bifurcation Point on Crystalline Structure and Charge Transport of Diketopyrrolopyrrole-Quaterthiophene Copolymers (PDQTs). J. Mat. Chem. C. 2014, 2, 2183-2190 DOI: 10.1039/C3TC32219J

Xiao, P.; Hong, W.; Li, Y.; Dumur, F.; Graff, B.; Fouassier, J. P.; Gigmes, D.; Lalevée, J. Green light sensitive diketopyrrolopyrrole derivatives used in versatile photoinitiating systems for photopolymerizations. Polym. Chem. 20145 (7), 2293–2300 DOI: 10.1039/C3PY01599H.

Chen, S.; Sun, B.; Hong, W.; Yan, Z.; Aziz, H.; Meng, Y.; Hollinger, J.; Seferos, D.; Li, Y. Impact of N-Substitution of a Carbazole Unit on Molecular Packing and Charge Transport of DPP-carbazole Copolymers.  J. Mater. Chem. C 2014, 2, 1683-1690 DOI: 10.1039/C3TC31753F

2013


Murphy, L.; Hong, W.; Aziz, H.; Li, Y. Influences of using a high mobility donor polymer on solar cell performance. Org. Electron. 201314 (12), 3484–3492 DOI: 10.1016/j.orgel.2013.09.024.

Hong, W.;  Guo, C.; Sun, B.; Yan, Z.; Huang, C.; Hu, Y.; Zheng, Y.; Facchetti, A.; Li, Y. Cyano-disubstituted Dipyrrolopyrazinedione (CNPzDP) Small Molecules for Solution Processed N-channel Organic Thin-film Transistors. J. Mater. Chem. C 2013, 1, 5624-5627 DOI: 10.1039/C3TC31274G

Sun, B.; Hong, W.; Aziz, H.; Abukhdeir, N. M.; Li, Y. Dramatically enhanced molecular ordering and charge transport of a DPP-based polymer assisted by oligomers through antiplasticization. Journal of Materials Chemistry C 20131 (29), 4423 DOI: 10.1039/c3tc30667d.

Lu, S.; Drees, M.; Yao,Y.; Boudinet, D.; Yan, H.; Pan, P.; Wang, J.; Li, Y.; Usta, H.; Facchetti, A. 3,6-Dithiophen-2-yl-diketopyrrolo[3,2-b]pyrrole (isoDPPT) as an Acceptor Building Block for Organic Opto-Electronics. Macromolecules 2013, 46, 3895-3906 DOI: 10.1021/ma400568b

Li, Y.; Sonar, P.; Murphy, L.; Hong, W. High mobility diketopyrrolopyrrole (DPP)-based organic semiconductor materials for organic thin film transistors and photovoltaics. Energy Environ. Sci. 20136 (6), 1684–1710 DOI: 10.1039/c3ee00015j.

Murphy, L.; Hong, W.; Aziz, H.; Li, Y. Organic photovoltaics with thick active layers ( 800 nm) using a high mobility polymer donor. Sol. Energy Mater. Sol. Cells 2013114 (0), 71–81 DOI: 10.1016/j.solmat.2013.02.033.

Yan, Z.; Sun, B.; Li, Y. Novel stable (3E,7E)-3,7-bis(2-oxoindolin-3-ylidene)benzo[1,2-b:4,5-b’]difuran-2,6(3H,7H)-dione based donor-acceptor polymer semiconductors for n-type organic thin film transistors. Chem. Commun. 201349 (36), 3790–2 DOI: 10.1039/c3cc40531a.

Hong, W.; Sun, B.; Guo, C.; Yuen, J.; Li, Y.; Lu, S.; Huang, H.; Facchetti, A. Dipyrrolo[2,3-b:2’,3’-e]pyrazine-2,6(1H,5H)-dione Based Conjugated Polymers for Ambipolar Organic Thin-film Transistors. Chem. Commun. 2013, 49, 484-486 DOI: 10.1039/C2CC37266E

Jiang, C.; Koh, W. L.; Leung, M. Y.; Hong, W.; Li, Y.; Zhang, J. Influences of alcoholic solvents on spray pyrolysis deposition of TiO2 blocking layer films for solid-state dye-sensitized solar cells. J. Solid State Chem. 2013198, 197–202 DOI: 10.1016/j.jssc.2012.10.010.

2012


Zeng, W.; Yong, K. S.; Kam, Z. M.; Chen, Z.; Li, Y. Effect of MoO3 as an interlayer on the performance of organic solar cells based on ZnPc and C60. Synth. Met. 2012161 (23–24), 2748–2752 DOI: 10.1016/j.synthmet.2011.10.014.

Hong, W.; Guo, C.; Li, Y.; Zheng, Y.; Huang, C.; Lu, S.; Facchetti, A. Synthesis and Thin-film Transistor Performance of Benzodipyrrolinone and Bithiophene Donor-acceptor Copolymers. J. Mater. Chem. 2012, 22, 22282-22289 DOI: 10.1039/C2JM34867E

Sun, B.; Hong, W.; Aziz, H.; Li, Y. Diketopyrrolopyrrole-based semiconducting polymer bearing thermocleavable side chains. J. Mater. Chem. 201222 (36), 18950–18955 DOI: 10.1039/C2JM33818A.

Hong, W.; Sun, B.; Aziz, H.; Park, W.-T.; Noh, Y.-Y.; Li, Y. A conjugated polyazine containing diketopyrrolopyrrole for ambipolar organic thin film transistors. Chem. Commun. 201248 (67), 8413–8415 DOI: 10.1039/C2CC33998F.

Sonar, P.; Singh, S. P.; Williams, E. L.; Li, Y.; Soh, M. S.; Dodabalapur, A. Furan containing diketopyrrolopyrrole copolymers: synthesis, characterization, organic field effect transistor performance and photovoltaic properties. J. Mater. Chem. 201222 (10), 4425–4435 DOI: 10.1039/C2JM14989C.

Guo, C.; Hong, W.; Aziz, H.; Li, Y. Recent Progress in High Mobility Polymer Semiconductors for Organic Thin Film Transistors. Rev. Adv. Sci. Eng. 20121 (3), 200–224 DOI: 10.1166/rase.2012.1014.

Li, Y.; Sonar, P.; Singh, S. P.; Ooi, Z. E.; Lek, E. S. H.; Loh, M. Q. Y. Poly(2,5-bis(2-octyldodecyl)-3,6-di(furan-2-yl)-2,5-dihydro-pyrrolo[3,4-c]pyrrole-1,4-dione-co-thieno[3,2-b]thiophene): a high performance polymer semiconductor for both organic thin film transistors and organic photovoltaics. Phys. Chem. Chem. Phys. 201214 (19), 7162–7169 DOI: 10.1039/c2cp40937b.

Li, Y.; Sun, B.; Sonar, P.; Singh, S. P. Solution processable poly(2,5-dialkyl-2,5-dihydro-3,6-di-2-thienyl-pyrrolo[3,4-c]pyrrole-1,4-dione) for ambipolar organic thin film transistors. Org. Electron. 201213 (9), 1606–1613 DOI: 10.1016/j.orgel.2012.04.023.

Sonar, P.; Singh, S. P.; Williams, E. L.; Li, Y.; Soh, M. S.; Dodabalapur, A. Furan Containing Diketopyrrolopyrrole Copolymers with Phenylene, Naphthalene and Anthracene Comonomer Blocks: Synthesis, Characterization, Organic Field Effect Transistor Performance and Photovoltaic Properties. J. Mater. Chem. 2012, 22, 4425-4435 DOI: 10.1039/C2JM14989C

Liu, H.; Goh, W.-P.; Leung, M.-Y.; Li, Y.; Norsten, T. B. Effect of nanoparticle stabilizing ligands and ligand-capped gold nanoparticles in polymer solar cells. Sol. Energy Mater. Sol. Cells 201296 (1), 302–306 DOI: 10.1016/j.solmat.2011.09.056.

2010 – 2011


Koh, W. S.; Pant, M.; Akimov, Y. .; Goh, W.-P.; Li, Y. Three-Dimensional Optoelectronic Model for Organic Bulk Heterojunction Solar Cells. IEEE J. Photovoltaics 20111 (1), 84–92 DOI: 10.1109/JPHOTOV.2011.2163620.

Hu, Z.; Zhang, J.; Liu, Y.; Li, Y.; Zhang, X.; Zhao, Y. Efficiency enhancement of inverted organic photovoltaic devices with ZnO nanopillars fabricated on FTO glass substrates. Synth. Met. 2011161 (19–20), 2174–2178 DOI: 10.1016/j.synthmet.2011.08.025.

Jiang, C.; Leung, M. Y.; Koh, W. L.; Li, Y. Influences of deposition and post-annealing temperatures on properties of TiO2 blocking layer prepared by spray pyrolysis for solid-state dye-sensitized solar cells. Thin Solid Films 2011519 (22), 7850–7854 DOI: 10.1016/j.tsf.2011.06.012.

Li, Y.; Sonar, P.; Singh, S. P.;  Zeng, Z.; Soh, M. S. 3,6-Di(furan-2-yl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione and bithiophene Copolymer with Rather Disordered Chain Orientation Showing High Mobility in Organic Thin Film Transistors. J. Mater. Chem. 2011, 21, 10829-10835 DOI: 10.1039/C1JM11290B

Sonar, P.; Singh, S. P.; Li, Y.; Ooi, Z.; Ha, T.; Wong, I.; Soh, M. S.; Dodabalapur, A. High Mobility Organic Thin Film Transistor and Efficient Photovoltaic Devices Using Versatile Donor-Acceptor Polymer Semiconductor by Molecular Design. Energy Environ. Sci. 2011, 4, 2288-2296 DOI: 10.1039/C1EE01213D

Li, Y.; Sonar, P.; Singh, S. P.; Soh, M. S.; van Meurs, M.; Tan, J.  Annealing-Free High Mobility Diketopyrrolopyrrole-Quaterthiophene Copolymer for Solution-Processed Organic Thin Film Transistors. J. Am. Chem. Soc. 2011, 133, 2198-2204 DOI: 10.1021/ja1085996

Sonar, P.; Singh, S. P.; Li, Y.; Soh, M. S.; Dodabalapur, A. A Low-Bandgap Diketopyrrolopyrrole-Benzothiadiazole-Based Copolymer for High-Mobility Ambipolar Organic Thin-Film Transistors. Adv. Mater. 201022 (47), 5409–5413 DOI: 10.1002/adma.201002973.

Zeng, W.; Yong, K. S.; Kam, Z. M.; Zhu, F.; Li, Y. Effect of Blend Layer Morphology on Performance of ZnPc:C60-based Photovoltaic Cells. Appl. Phys. Lett. 2010, 97, 133304 DOI: 10.1063/1.3493177

Li, Y.; Singh, S. P.; Sonar, P. A high mobility P-type DPP-thieno[3,2-b]thiophene copolymer for organic thin-film transistors. Adv. Mater. 201022 (43), 4862–6 DOI: 10.1002/adma.201002313.

Jiang, C. Y.; Sun, X. W.; Zhao, D. W.; Kyaw, A. K. K.; Li, Y. N. Low work function metal modified ITO as cathode for inverted polymer solar cells. Sol. Energy Mater. Sol. Cells 201094 (10), 1618–1621 DOI: 10.1016/j.solmat.2010.04.082.

2009


Liu, P.; Wu, Y.; Pan, H.; Li, Y.; Gardner, S.; Ong, B. S.; Zhu, S. Novel High-Performance Liquid-Crystalline Organic Semiconductors for Thin-Film Transistors. Chem. Mater. 2009, 21, 2727-2732 DOI: 10.1021/cm900265q

Li, C.; Qiao, Y.; Li, Y.; Wu, Y. Decorating multiwalled carbon nanotubes with zinc oxide nanoparticles by thermally decomposing Zn-oleate in an organic medium. Sci. China Ser. E: Technol. Sci. 200952 (5), 1254–1257 DOI: 10.1007/s11431-008-0304-5.

Li, C.; Li, Y.; Wu, Y.; Ong, B.-S.; Loutfy, R.-O. Fabrication conditions for solution-processed high-mobility ZnO thin-film transistors. J. Mater. Chem. 200919 (11), 1626–1634 DOI: 10.1039/B812047A.

Li, Y.; Ong, B. S. High mobility conjugated polymer semiconductors for organic thin film transistors. COSMOS 20095 (1), 59–77 DOI: 10.1142/S0219607709000427.

de Miguel, M.; Ferrer, B.; Teruel, L.; Garcia, H.; Jin, Y.; Li, Y.; Ding, J. Photophysics of Fluorene Copolymers: Control of Fluorescence and Charge Separation by the Presence of Carbazole, Oxadiazole, or Biphenyl Units. J. Phys. Chem. C 2009113 (19), 8471–8477 DOI: 10.1021/jp900556z.

 

2008


Wu, Y.; Li, Y.; Liu, P.; Pan, H.; Ong, B. S. Development of thiophene-based polymeric semiconductors for printed thin-film transistors. ECS Trans. 200811 (25, Organic Semiconductor Materials and Devices), 35–41 DOI: 10.1149/1.2930791.

Li, C.; Li, Y.; Wu, Y.; Ong, B. S.; Loutfy, R. O. Synthesis of zinc oxide nanocrystals by thermal decomposition of Zn-oleate in organic medium. Sci. China Ser. E: Technol. Sci. 200851 (12), 2075–2079 DOI: 10.1007/s11431-008-0236-0.

Li, C. S.; Li, Y. N.; Wu, Y. L.; Ong, B. S.; Loutfy, R. O. Performance improvement for solution-processed high-mobility ZnO thin-film transistors. J. Phys. D: Appl. Phys. 200841 (12) DOI: 10.1088/0022-3727/41/12/125102.

Ong, B. S.; Wu, Y.; Li, Y.; Liu, P.; Pan, H. Thiophene Polymer Semiconductors for Organic Thin-Film Transistors. Chem. Eur. J. 200814 (16), 4766–4778 DOI: 10.1002/chem.200701717.

 

2007


Li, C.; Li, Y.; Wu, Y.; Ong, B. S.; Loutfy, R. O. ZnO field-effect transistors prepared by aqueous solution-growth ZnO crystal thin film. J. Appl. Phys. 2007102 (7), 076101/1–076101/3 DOI: 10.1063/1.2773683.

Pan, H.; Liu, P.; Li, Y.; Wu, Y.; Ong, B. S.; Zhu, S.; Xu, G. Unique Polymorphism of Oligothiophenes. Adv. Mater. 2007, 19, 3240-3243 DOI: 10.1002/adma.200602870

Zhao, N.; Chiesa, M.; Sirringhaus, H.; Li, Y.; Wu, Y.; Ong, B. Self-aligned inkjet printing of highly conducting gold electrodes with submicron resolution. J. Appl. Phys. 2007101 (6), 064513/1–064513/6 DOI: 10.1063/1.2496249.

Pan, H.; Li, Y.; Wu, Y.; Liu, P.; Ong, B. S.; Zhu, S.; Xu, G. Low-Temperature, Solution-Processed, High-Mobility Polymer Semiconductors for Thin-Film Transistors. J. Am. Chem. Soc. 2007129 (14), 4112–4113 DOI: 10.1021/ja067879o.

Pan, H.; Wu, Y.; Li, Y.; Liu, P.; Ong, B. S.; Zhu, S.; Xu, G. Benzodithiophene copolymer – a low-temperature, solution-processed high-performance semiconductor for thin-film transistors. Adv. Funct. Mater. 200717 (17), 3574–3579 DOI: 10.1002/adfm.200601242.

Ong, B. S.; Li, C.; Li, Y.; Wu, Y.; Loutfy, R. Stable, Solution-Processed, High-Mobility ZnO Thin-Film Transistors. J. Am. Chem. Soc. 2007129 (10), 2750–2751 DOI: 10.1021/ja068876e.

Wu, Y.; Li, Y.; Ong, B. S. A Simple and Efficient Approach to a Printable Silver Conductor for Printed Electronics. J. Am. Chem. Soc. 2007129 (7), 1862–1863 DOI: 10.1021/ja067596w.

Li, Y.; Wu, Y.; Liu, P.; Prostran, Z.; Gardner, S.; Ong, B. S. Stable Solution-Processed High-Mobility Substituted Pentacene Semiconductors. Chem. Mater. 200719 (3), 418–423 DOI: 10.1021/cm062378n.

2006


Li, Y.; Wu, Y.; Liu, P.; Birau, M.; Pan, H.; Ong, B. S. Poly(2,5-bis(2-thienyl)-3,6-dialkylthienol[3,2-b]thiophene)s- high-mobility semiconductors for thin-film transistors. Adv. Mater. 200618 (22), 3029–3032 DOI: 10.1002/adma.200601204.

Li, Y.; Wu, Y.; Ong, B. S. Polyindolo[3,2-b]carbazoles: A New Class of p-Channel Semiconductor Polymers for Organic Thin-Film Transistors. Macromolecules 200639 (19), 6521–6527 DOI: 10.1021/ma0612069.

Wu, Y.; Li, Y.; Liu, P.; Gardner, S.; Ong, B. S. Studies of Gold Nanoparticles as Precursors to Printed Conductive Features for Thin-Film Transistors. Chem. Mater. 200618 (19), 4627–4632 DOI: 10.1021/cm0611643.

Pan, H.; Li, Y.; Wu, Y.; Liu, P.; Ong, B. S.; Zhu, S.; Xu, G. Synthesis and Thin-Film Transistor Performance of Poly(4,8-didodecylbenzo[1,2-b:4,5-b’]dithiophene). Chem. Mater. 200618 (14), 3237–3241 DOI: 10.1021/cm0602592.

Liu, P.; Wu, Y.; Li, Y.; Ong, B. S.; Zhu, S. Enabling Gate Dielectric Design for All Solution-Processed, High-Performance, Flexible Organic Thin-Film Transistors. J. Am. Chem. Soc. 2006128 (14), 4554–4555 DOI: 10.1021/ja060620l.

Wu, Y.; Li, Y.; Ong, B. S. Printed Silver Ohmic Contacts for High-Mobility Organic Thin-Film Transistors. J. Am. Chem. Soc. 2006128 (13), 4202–4203 DOI: 10.1021/ja058725w.

2001 – 2005


Li, Y.; Wu, Y.; Ong, B. S. Facile Synthesis of Silver Nanoparticles Useful for Fabrication of High-Conductivity Elements for Printed Electronics. J. Am. Chem. Soc. 2005127 (10), 3266–3267 DOI: 10.1021/ja043425k.

Li, Y.; Wu, Y.; Gardner, S.; Ong, B. S. Novel Peripherally Substituted Indolo[3,2-b]carbazoles for High-Mobility Organic Thin-Film Transistors. Adv. Mater. 200517 (7), 849–853 DOI: 10.1002/adma.200401290.

Wu, Y.; Li, Y.; Ong, B.; Liu, P.; Gardner, S.; Chiang, B. High-Performance Organic Thin-Film Transistors with Solution-Printed Gold Contacts. Adv. Mater. 2005, 17, 184-187 DOI: 10.1002/adma.200400690

Wu, Y.; Li, Y.; Gardner, S.; Ong, B. S. Indolo[3,2-b]carbazole-Based Thin-Film Transistors with High Mobility and Stability. J. Am. Chem. Soc. 2005127 (2), 614–618 DOI: 10.1021/ja0456149.

Kawakami, Y.; Li, Y.; Liu, Y.; Seino, M.; Pakjamsai, C.; Oishi, M.; Cho, Y. H.; Imae, I. Control of molecular weight, stereochemistry and higher order structure of siloxane-containing polymers and their functional design. Macromol. Res. 200412 (2), 156–171 DOI: 10.1007/BF03218384.

Liu, X.; Py, C.; Tao, Y.; Li, Y.; Ding, J.; Day, M. Low-threshold Amplified Spontaneous Emission and Laser Emission in a Polyfluorene Derivative. Appl. Phys. Lett. 2004, 84, 2727. DOI: 10.1063/1.1699479

Li, Y.; Ding, J.; Day, M.; Tao, Y.; Lu, J.; D’iorio, M. Synthesis and Properties of Random and Alternating Fluorene/Carbazole Copolymers for Use in Blue Light-Emitting Devices. Chem. Mater. 200416 (11), 2165–2173 DOI: 10.1021/cm030069g.

Lu, J.; Tao, Y.; D’iorio, M.; Li, Y.; Ding, J.; Day, M. Pure Deep Blue Light-Emitting Diodes from Alternating Fluorene/Carbazole Copolymers by Using Suitable Hole-Blocking Materials. Macromolecules 200437 (7), 2442–2449 DOI: 10.1021/ma030535n.

Li, Y.; Ding, J.; Day, M.; Tao, Y.; Lu, J.; D’iorio, M. Novel Stable Blue-Light-Emitting Oligofluorene Networks Immobilized by Boronic Acid Anhydride Linkages. Chem. Mater. 200315 (26), 4936–4943 DOI: 10.1021/cm030402g.

Li, Y.; Vamvounis, G.; Holdcroft, S. Tuning Optical Properties and Enhancing Solid-State Emission of Poly(thiophene)s by Molecular Control:  A Postfunctionalization Approach. Macromolecules 200235 (18), 6900–6906 DOI: 10.1021/ma020140o.

Li, Y.; Vamvounis, G.; Holdcroft, S. Control of Conjugation Length and Enhancement of Fluorescence Efficiency of PPVs via Post-Halogenation. Chem. Mater. 2002, 14, 1424-1429 DOI: 10.1021/cm011603s

Li, Y.; Vamvounis, G.; Yu, J.; Holdcroft, S. A Novel and Versatile Methodology for Functionalization of Conjugated Polymers. Transformation of Poly(3-bromo-4-hexylthiophene) via Palladium-Catalyzed Coupling Chemistry. Macromolecules 2001, 34, 3130-3132 DOI: 10.1021/ma010293w

Li, Y.; Vamvounis, G.; Holdcroft, S. Facile Functionalization of Poly(3-alkylthiophene)s via Electrophilic Substitution. Macromolecules 200134 (2), 141–143 DOI: 10.1021/ma001413n.

1998 – 2000


Kawakami, Y.; Li, Y. Approaches to polymers containing a silicon-oxygen bond in the main chain. Des. Monomers Polym. 20003 (4), 399–419 DOI: 10.1163/156855500750206357.

Kawakami, Y.; Li, Y. Stereochemical study on polymers with stereogenic silicon atoms. J. Polym. Res. 20007 (2), 63–72 DOI: 10.1007/s10965-006-0105-0.

Li, Y.; Seino, M.; Kawakami, Y. Asymmetric Synthesis of Optically Active Poly(silyl ether)s Having Reactive Siâˆâ€TMH Groups by Stereoselective Cross-Dehydrocoupling Polymerization of Bis(silane)s with Diols. Macromolecules 200033 (15), 5311–5314 DOI: 10.1021/ma992143f.

Murano, M.; Li, Y.; Kawakami, Y. Synthesis of Optically Active and Highly Stereoregular Poly[oxy(S)-(1-naphthyl)-phenylsilyleneethylene(dimethylsilylene)-ethylene(S)-(1-naphthyl)phenylsilylene-oxydimethylsilylene] by Polycondensation Reaction. Macromolecules 200033 (10), 3940–3943 DOI: 10.1021/ma991967u.

Li, Y.; Kawakami, Y. Stereoselective Feature in Anionic Ring-Opening Polymerization of 2-(1-Naphthyl)-2-phenyl-5,5-dimethyl-1-oxa-2,5-disilacyclopentane and Influence of Tacticity on the Thermal Property of Polymers. Macromolecules 200033 (5), 1560–1564 DOI: 10.1021/ma991861z.

Li, Y.; Kawakami, Y. Synthesis and Properties of Polymers Containing Silphenylene Moiety via Catalytic Cross-Dehydrocoupling Polymerization of 1,4-Bis(dimethylsilyl)benzene. Macromolecules 199932 (26), 8768–8773 DOI: 10.1021/ma991312t.

Li, Y.; Kawakami, Y. Efficient Synthesis of Poly(silyl ether)s by Pd/C and RhCl(PPh3)3-Catalyzed Cross-Dehydrocoupling Polymerization of Bis(hydrosilane)s with Diols. Macromolecules 199932 (20), 6871–6873 DOI: 10.1021/ma990511+.

Li, Y.; Kawakami, Y. Catalytic Cross-Dehydrocoupling Polymerization of 1,4-Bis(dimethylsilyl)benzene with Water. A New Approach to Poly[(oxydimethylsilylene)(1,4-phenylene)(dimethylsilylene)]. Macromolecules 199932 (10), 3540–3542 DOI: 10.1021/ma9819743.

Li, Y.; Kawakami, Y. Synthesis and Polymerization of an Optically Active Bifunctional Disiloxane. 2. Preparation of Optically Active (S)-2-(1-Naphthyl)-2-phenyl-5,5-dimethyl-1-oxa-2,5-disilacyclopentane and Its Ring-Opening Polymerization. Macromolecules 199932 (3), 548–553 DOI: 10.1021/ma981300s.

Li, Y.; Kawakami, Y. Synthesis and Polymerization of an Optically Active Bifunctional Disiloxane. 1. Preparation of Optically Active and Highly Stereoregular Poly[(1S)-1-(1-naphthyl)-1-phenyl-3,3-dimethyldisiloxane-1,3-diylethylene] by Polyaddition via Hydrosilylation. Macromolecules 199831 (17), 5592–5597 DOI: 10.1021/ma980463d.