Effect of molecular asymmetry on the charge transport physics of high mobility n-type molecular semiconductors investigated by scanning Kelvin probe microscopy

ACS Nano

Volumn 8, Issue 7, 2014, Pages 6778-6787

  Hu, Yuanyuan ^a   Berdunov, Nikolai ^a   Di, Chong An ^b   Nandhakumar, Iris ^c   Zhang, Fengjiao ^b   Gao, Xike ^d   Zhu, Daoben ^b   Sirringhaus, Henning ^a  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^b INSTITUTE OF CHEMISTRY   (China)

^c UNIVERSITY OF SOUTHAMPTON   (United Kingdom)

^d SHANGHAI INSTITUTE OF ORGANIC CHEMISTRY   (China)

Author keywords

field effect transistors; intralayer and interlayer transport; Kelvin probe microscopy; molecule symmetry

Indexed keywords

ATOMIC FORCE MICROSCOPY; FILM GROWTH; GRAIN BOUNDARIES; MOLECULES; ORGANIC FIELD EFFECT TRANSISTORS; STEREOCHEMISTRY; TRANSPORT PROPERTIES; ULTRATHIN FILMS;

ASYMMETRIC SIDE CHAIN; INTERLAYER TRANSPORT; KELVIN PROBE MICROSCOPY; MOLECULAR SEMICONDUCTORS; ORGANIC FIELD-EFFECT TRANSISTOR (OFETS); SCANNING KELVIN PROBE MICROSCOPY; THREE-DIMENSIONAL GROWTH; TWO-DIMENSIONAL GROWTH;

CHAINS;

EID: 84904724721     PISSN: 19360851     EISSN: 1936086X     Source Type: Journal    
DOI: 10.1021/nn500944f     Document Type: Article

References (35)

1. Facchetti, A. pi-Conjugated Polymers for Organic Electronics and Photovoltaic Cell Applications Chem. Mater. 2011, 23, 733-758
2. Kola, S.; Sinha, J.; Katz, H. E. Organic Transistors in the New Decade: Toward N-Channel, Printed, and Stabilized Devices J. Polym. Sci., Part B: Polym. Phys. 2012, 50, 1090-1120
3. Meng, Q.; Hu, W. P. Recent Progress of N-Type Organic Semiconducting Small Molecules for Organic Field-Effect Transistors Phys. Chem. Chem. Phys. 2012, 14, 14152-14164
4. Wang, C. L.; Dong, H. L.; Hu, W. P.; Liu, Y. Q.; Zhu, D. B. Semiconducting pi-Conjugated Systems in Field-Effect Transistors: A Material Odyssey of Organic Electronics Chem. Rev. 2012, 112, 2208-2267
5. Fabiano, S.; Musumeci, C.; Chen, Z.; Scandurra, A.; Wang, H.; Loo, Y.-L.; Facchetti, A.; Pignataro, B. From Monolayer to Multilayer N-Channel Polymeric Field-Effect Transistors with Precise Conformational Order Adv. Mater. 2012, 24, 951-957
6. Wang, S.; Kiersnowski, A.; Pisula, W.; Mullen, K. Microstructure Evolution and Device Performance in Solution-Processed Polymeric Field-Effect Transistors: The Key Role of the First Monolayer J. Am. Chem. Soc. 2012, 134, 4015-4018
7. Mathijssen, S. G. J.; Smits, E. C. P.; van Hal, P. A.; Wondergem, H. J.; Ponomarenko, S. A.; Moser, A.; Resel, R.; Bobbert, P. A.; Kemerink, M.; Janssen, R. A. J. et al. Monolayer Coverage and Channel Length Set the Mobility in Self-Assembled Monolayer Field-Effect Transistors Nat. Nanotechnol. 2009, 4, 674-680
8. Zhang, F.; Di, C.; Berdunov, N.; Hu, Y.; Gao, X.; Meng, Q.; Sirringhaus, H.; Zhu, D. Ultrathin Film Organic Transistors: Precise Control of Semiconductor Thickness via Spin-Coating Adv. Mater. 2012, 25, 1401-1407
9. Halik, M.; Hirsch, A. The Potential of Molecular Self-Assembled Monolayers in Organic Electronic Devices Adv. Mater. 2011, 23, 2689-2695
10. Horowitz, G. Tunneling Current in Polycrystalline Organic Thin-Film Transistors Adv. Funct. Mater. 2003, 13, 53-60
11. Ruiz, R.; Papadimitratos, A.; Mayer, A. C.; Malliaras, G. G. Thickness Dependence of Mobility in Pentacene Thin-Film Transistors Adv. Mater. 2005, 17, 1795-1798
12. Jimison, L. H.; Himmelberger, S.; Duong, D. T.; Rivnay, J.; Toney, M. F.; Salleo, A. Vertical Confinement and Interface Effects on the Microstructure and Charge Transport of P3HT Thin Films J. Polym. Sci., Part B: Polym. Phys. 2013, 51, 611-620
13. 2 Substrate J. Phys. D: Appl. Phys. 2007, 40, 5666-5669
14. Jiang, L.; Dong, H. L.; Meng, Q.; Li, H. X.; He, M.; Wei, Z. M.; He, Y. D.; Hu, W. P. Millimeter-Sized Molecular Monolayer Two-Dimensional Crystals Adv. Mater. 2011, 23, 2059-2063
15. Hu, Y.; Gao, X.; Di, C.-a.; Yang, X.; Zhang, F.; Liu, Y.; Li, H.; Zhu, D. Core-Expanded Naphthalene Diimides Fused with Sulfur Heterocycles and End-Capped with Electron-Withdrawing Groups for Air-Stable Solution-Processed N-Channel Organic Thin Film Transistors Chem. Mater. 2011, 23, 1204-1215
16. Hu, Y. B.; Qin, Y. K.; Gao, X. K.; Zhang, F. J.; Di, C. A.; Zhao, Z.; Li, H. X.; Zhu, D. B. One-Pot Synthesis of Core-Expanded Naphthalene Diimides: Enabling N-Substituent Modulation for Diverse N-Type Organic Materials Org. Lett. 2012, 14, 292-295
17. Kim, S.-O.; An, T. K.; Chen, J.; Kang, I.; Kang, S. H.; Chung, D. S.; Park, C. E.; Kim, Y.-H.; Kwon, S.-K. H-Aggregation Strategy in the Design of Molecular Semiconductors for Highly Reliable Organic Thin Film Transistors Adv. Funct. Mater. 2011, 21, 1616-1623
18. An, T. K.; Jang, S. H.; Kim, S.-O.; Jang, J.; Hwang, J.; Cha, H.; Noh, Y. R.; Yoon, S. B.; Yoon, Y. J.; Kim, L. H. et al. Synthesis and Transistor Properties of Asymmetric Oligothiophenes: Relationship between Molecular Structure and Device Performance Chemistry (Weinheim, Ger.) 2013, 19, 14052-60
19. Zhang, F. J.; Hu, Y. B.; Schuettfort, T.; Di, C. A.; Gao, X. K.; McNeill, C. R.; Thomsen, L.; Mannsfeld, S. C. B.; Yuan, W.; Sirringhaus, H. et al. Critical Role of Alkyl Chain Branching of Organic Semiconductors in Enabling Solution-Processed N-Channel Organic Thin-Film Transistors with Mobility of up to 3.50 cm(2) V(-1) s(-1) J. Am. Chem. Soc. 2013, 135, 2338-2349
20. Hallam, T.; Lee, M.; Zhao, N.; Nandhakumar, I.; Kemerink, M.; Heeney, M.; McCulloch, I.; Sirringhaus, H. Local Charge Trapping in Conjugated Polymers Resolved by Scanning Kelvin Probe Microscopy Phys. Rev. Lett. 2009, 103, 6803
21. Yang, S. Y.; Shin, K.; Park, C. E. The Effect of Gate-Dielectric Surface Energy on Pentacene Morphology and Organic Field-Effect Transistor Characteristics Adv. Funct. Mater. 2005, 15, 1806-1814
22. Kwak, S. Y.; Choi, C. G.; Bae, B. S. Effect of Surface Energy on Pentacene Growth and Characteristics of Organic Thin-Film Transistors Electrochem. Solid-State Lett. 2009, 12, G37-G39
23. Levinson, J.; Shepherd, F. R.; Scanlon, P. J.; Westwood, W. D.; Este, G.; Rider, M. Conductivity Behavior in Polycrystalline Semiconductor Thin-Film Transistors J. Appl. Phys. 1982, 53, 1193-1202
24. Chwang, A. B.; Frisbie, C. D. Temperature and Gate Voltage Dependent Transport Across a Single Organic Semiconductor Grain Boundary J. Appl. Phys. 2001, 90, 1342-1349
25. Horowitz, G.; Hajlaoui, M. E.; Hajlaoui, R. Temperature and Gate Voltage Dependence of Hole Mobility in Polycrystalline Oligothiophene Thin Film Transistors J. Appl. Phys. 2000, 87, 4456-4463
26. Kelley, T. W.; Frisbie, C. D. Gate Voltage Dependent Resistance of a Single Organic Semiconductor Grain Boundary J. Phys. Chem. B 2001, 105, 4538-4540
27. Puntambekar, K.; Dong, J. P.; Haugstad, G.; Frisbie, C. D. Structural and Electrostatic Complexity at a Pentacene/Insulator Interface Adv. Funct. Mater. 2006, 16, 879-884
28. Rivnay, J.; Jimison, L. H.; Northrup, J. E.; Toney, M. F.; Noriega, R.; Lu, S.; Marks, T. J.; Facchetti, A.; Salleo, A. Large Modulation of Carrier Transport by Grain-Boundary Molecular Packing and Microstructure in Organic Thin Films Nat. Mater. 2009, 8, 952-958
29. Matsui, H.; Kumaki, D.; Takahashi, E.; Takimiya, K.; Tokito, S.; Hasegawa, T. Correlation Between Interdomain Carrier Hopping and Apparent Mobility in Polycrystalline Organic Transistors as Investigated by Electron Spin Resonance Phys. Rev. B: Condens. Matter Mater. Phys. 2012, 85, 5308
30. Sirringhaus, H.; Brown, P.; Friend, R.; Nielsen, M.; Bechgaard, K.; Langeveld-Voss, B.; Spiering, A.; Janssen, R.; Meijer, E.; Herwig, P. Two-Dimensional Charge Transport in Self-Organized, High-Mobility Conjugated Polymers Nature 1999, 401, 685-688
31. Sirringhaus, H. Device Physics of Solution-Processed Organic Field-Effect Transistors Adv. Mater. 2005, 17, 2411-2425
32. Brondijk, J. J.; Roelofs, W. S. C.; Mathijssen, S. G. J.; Shehu, A.; Cramer, T.; Biscarini, F.; Blom, P. W. M.; de Leeuw, D. M. Two-Dimensional Charge Transport in Disordered Organic Semiconductors Phys. Rev. Lett. 2012, 109, 6601
33. Dinelli, F.; Murgia, M.; Levy, P.; Cavallini, M.; Biscarini, F.; de Leeuw, D. M. Spatially Correlated Charge Transport in Organic Thin Film Transistors Phys. Rev. Lett. 2004, 92, 6802
34. Rivnay, J.; Toney, M. F.; Zheng, Y.; Kauvar, I. V.; Chen, Z. H.; Wagner, V.; Facchetti, A.; Salleo, A. Unconventional Face-On Texture and Exceptional In-Plane Order of a High Mobility N-Type Polymer Adv. Mater. 2010, 22, 4359-4363
35. Kemerink, M.; Hallam, T.; Lee, M. J.; Zhao, N.; Caironi, M.; Sirringhaus, H. Temperature- and Density-Dependent Channel Potentials in High-Mobility Organic Field-Effect Transistors Phys. Rev. B: Condens. Matter Mater. Phys. 2009, 80, 5325