Montero J M, Bisquert J.Interpretation of trap-limited mobility in space-charge limited current in organic layers with exponential density of traps[J].Journal of Applied Physics, 2011, 110(4): 043705(1-6).[2] Lee K, Weis M, Manaka T, et al. Multiple-trapping in pentacene field-effect transistors with a nanoparticles self-assembled monolayer[J].AIP advances, 2012, 2(2): 022128(1-8).[3] Huby N, Hirsch L, Wantz G, et al.Injection and transport processes in organic light emitting diodes based on a silole derivative[J].Journal of applied physics, 2006, 99(8): 084907(1-6).[4] 冯魏良, 黄培. 柔性显示衬底的研究及进展[J]. 液晶与显示, 2012, 27(5): 599-607. Feng W L, Huang P. Advances in flexible displays substrates[J].Chinese Journal of Liquid Crystals and Displays, 2012, 27(5): 599-607. (in Chinese)[5] 陈世琴, 陈梦婕, 邱龙臻. 石墨烯电极有机薄膜晶体管研究[J]. 液晶与显示, 2012, 27(5): 595-598. Chen S Q, Chen M J, Qiu L Z.Organic thin-film transistor based on graphene electrode[J].Chinese Journal of Liquid Crystals and Displays, 2012, 27(5): 595-598.(in Chinese)[6] 王丽娟, 张伟, 秦海涛, 等. 溶液加工条件对聚合物体相异质结太阳能电池性能的影响[J]. 液晶与显示, 2013, 28(4): 521-526. Wang L J, Zhang W, Qing H T, et al.Influence of solution-processed conditions on polymer bulk heterojunction solar cell performance[J].Chinese Journal of Liquid Crystals and Displays, 2013, 28(4): 521-526. (in Chinese)[7] Lee S, Koo B, Shin J, et al.Effects of hydroxyl groups in polymeric dielectrics on organic transistor performance[J].Applied Physics Letters, 2006, 88(16): 162109(1-3).[8] Park S K, Jackson T N, Anthony J E, et al.High mobility solution processed 6, 13-bis (triisopropyl-silylethynyl) pentacene organic thin film transistors[J].Applied Physics Letters, 2007, 91(6): 063514(1-3).[9] Lee S H, Choi M H, Han S H, et al.High-performance thin-film transistor with 6, 13-bis (triisopropylsilylethynyl) pentacene by inkjet printing[J].Organic Electronics, 2008, 9(5): 721-726.[10] Hong J P, Park A Y, Lee S, et al.Tuning of Ag work functions by self-assembled monolayers of aromatic thiols for an efficient hole injection for solution processed triisopropylsilylethynyl pentacene organic thin film transistors[J].Applied Physics Letters, 2008, 92(14):143311(1-3).[11] Chen J, Anthony J, Martin D C. Thermally induced solid-state phase transition of bis (triisopropylsilylethynyl) pentacene crystals[J].The Journal of Physical Chemistry B, 2006, 110(33): 16397-16403.[12] Lloyd M T, Mayer A C, Tayi A S, et al.Photovoltaic cells from a soluble pentacene derivative[J].Organic Electronics, 2006, 7(5): 243-248.[13] Choi K N, Kim K S, Chung K S, et al.Solvent effect on the electrical properties of triisopropylsilylethynyl (TIPS) pentacene organic thin-film transistors[J].IEEE Transactions on Device and Materials Reliability, 2009, 9(3): 489-493.[14] Mark P, Helfrich W. Space-charge-limited currents in organic crystals[J].Journal of Applied Physics, 1962, 33(1): 205-215.[15] Nicolai H T, Mandoc M M, Blom P W M. Electron traps in semiconducting polymers: Exponential versus Gaussian trap distribution[J].Physical Review B, 2011, 83(19): 195204(1-5).[16] Nguyen T P. Defects in organic electronic devices[J].Physica Status Solidi (A), 2008, 205(1): 162-166.[17] Blom P W M, De Jong M J M, Vleggaar J J M. Electron and hole transport in poly (p-phenylene vinylene) devices[J].Applied Physics Letters, 1996, 68(23): 3308-3310.[18] Gupta D, Jeon N, Yoo S. Modeling the electrical characteristics of TIPS-pentacene thin-film transistors: Effect of contact barrier, field-dependent mobility, and traps[J].Organic Electronics, 2008, 9(6): 1026-1031.[19] Blom P W M, De Jong M J M, Van Munster M G. Electric-field and temperature dependence of the hole mobility in poly (p-phenylene vinylene)[J].Physical Review B, 1997, 55(2): R656-R659.[20] Shang D S, Wang Q, Chen L D, et al.Effect of carrier trapping on the hysteretic current-voltage characteristics in Ag/La0.7 Ca0.3 MnO3/ Pt heterostructures[J].Physical Review B, 2006, 73(24): 245427(1-7).[21] Muhammad A R K.Injection and transport mechanism in organic light-emitting diodes[D].Shanghai:Shang Hai University, 2009.