한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제53권4호
  • /
  • Pages.411-416
  • /
  • 2016
  • /
  • 1229-7801(pISSN)
  • /
  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
권호 표지
DOI QR코드

DOI QR Code

Solvent Vapor Annealing Effects in Contact Resistances of Zone-cast Benzothienobenzothiophene (C8-BTBT) Transistors

  • Kim, Chaewon (School of Advanced Materials Engineering, Kookmin University) ;
  • Jo, Anjae (School of Advanced Materials Engineering, Kookmin University) ;
  • Kim, Heeju (School of Advanced Materials Engineering, Kookmin University) ;
  • Kim, Miso (Center for Safety Measurement, Korea Research Institute of Standards and Science (KRISS)) ;
  • Lee, Jaegab (School of Advanced Materials Engineering, Kookmin University) ;
  • Lee, Mi Jung (School of Advanced Materials Engineering, Kookmin University)
  • 투고 : 2016.07.02
  • 심사 : 2016.07.19
  • 발행 : 2016.07.31
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

Benzothienobenzothiophene ($C_8-BTBT$) is a soluble organic small molecule material with high crystallinity resulting from its strong self-organizing properties. In addition, the high mobility and easy fabrication of $C_8-BTBT$ make it very attractive in terms of organic thin-film transistors. In this work, we made $C_8-BTBT$ thin films by using the zone-casting method; we also used an organic solvent to treat the devices with solvent vapor annealing to improve the electrical properties. As a result, we confirmed improved mobility, threshold voltage, and subthreshold swing after solvent vapor annealing. To prove the effect of solvent vapor annealing, we used the simultaneous extraction model to extract the contact resistance from the current-voltage curve. We confirmed that the electrical properties improved with decreasing contact resistance.

키워드

참고문헌

  1. Y. Diao, B. Tee, G. Giri, J. Xu, and Z. Bao, "Solution Coating of Large-Area Organic Semiconductor Thin Films with Aligned Single-Crystalline Domains," Nat. Mater., 12 [7] 665-71 (2013). https://doi.org/10.1038/nmat3650
  2. T. Sakanoue and H. Sirringhaus, "Band-like Temperature Dependence of Mobility in a Solution-Processed Organic Semiconductor," Nat. Mater., 9 [9] 736-40 (2010). https://doi.org/10.1038/nmat2825
  3. K. Nakayama, Y. Hirose, J. Soeda, M. Yoshizumi, and E. Miyazaki, "Patternable Solution-Crystallized Organic Transistors with High Charge Carrier Mobility," Adv. Mater., 23 [14] 1626-29 (2011). https://doi.org/10.1002/adma.201004387
  4. J. Smith, W. Zhang, R. Sougrat, K. Zhao, and T. Anthopoulos, "Solution-Processed Small Molecule-Polymer Blend Organic Thin-Film Transistors with Hole Mobility Greater than $5cm^2/Vs$," Adv. Mater., 24 [18] 2441-46 (2012). https://doi.org/10.1002/adma.201200088
  5. J. Kim, J. Jeong, H. Cho, C. Lee, and Y. Hong, "All-Solution-Processed Bottom-Gate Organic Thin-Film Transistor with Improved Subthreshold Behaviour Using Functionalized Pentacene Active Layer," J. Phys. D: Appl. Phys., 42 [11] 115107 (2009). https://doi.org/10.1088/0022-3727/42/11/115107
  6. H. Sirringhaus, "Device Physics of Solution Processed Organic Field Effect Transistors," Adv. Mater., 17 [20] 2411-25 (2005). https://doi.org/10.1002/adma.200501152
  7. M. Lee, "Inkjet Printing Technology Still in Progress," J. Korean Ceram. Soc., 48 [6], 543-48 (2011). https://doi.org/10.4191/kcers.2011.48.6.543
  8. J. Kim, J. Lee, Y. Lee, W. Kwon, and Y. Kim, "Preparation and Characterization of Low K Thin Film Using A Preceramic Polymer," J. Korean Ceram. Soc., 48 [6] 499-503 (2011). https://doi.org/10.4191/kcers.2011.48.6.499
  9. M. Lee, D. Gupta, N. Zhao, M. Heeney, and H. Sirringhaus, "Anisotropy of Charge Transport in a Uniaxially Aligned and Chain Extended, High Mobility, Conjugated Polymer Semiconductor," Adv. Funct. Mater., 21 [5] 932-40 (2011). https://doi.org/10.1002/adfm.201001781
  10. M. Lee, Z. Chen, R. Pietro, M. Heeney, and H. Sirringhaus, "Electrooptical Spectroscopy of Uniaxially Aligned Polythiophene Films in Field-Effect Transistors," Chem. Mater., 25 [10] 2075-82 (2013). https://doi.org/10.1021/cm400266h
  11. W. Pisula, A. Menon, M. Stepputat, I. Lieberwirth, and K. Mullen, "A Zone Casting Technique for Device Fabrication of Field Effect Transistors Based on Discotic Hexa Peri Hexabenzocoronene," Adv. Mater., 17 [6] 684-89 (2005). https://doi.org/10.1002/adma.200401171
  12. C. Kim, S. Lee, E. Gomez, J. Anthony, and Y. Loo, "Solvent-Dependent Electrical Characteristics and Stability of Organic Thin-Film Transistors with Drop Cast Bis (Triisopropylsilylethynyl) Pentacene," Appl. Phys. Lett., 93 [10] 103302 (2008). https://doi.org/10.1063/1.2979691
  13. Y. Yuan, G. Giri, A. Ayzner, A. Zoombelt, S. Mannsfeld, and Z. Bao, "Ultra-High Mobility Transparent Organic Thin Film Transistors Grown by an Off-Centre Spin-Coating Method," Nat. Commun., 5 1-9 (2014).
  14. Y. Li, C. Liu, A. Kumatani, P. Darmawan, and K. Tsukagoshi, "Patterning Solution-Processed Organic Single-Crystal Transistors with High Device Performance," AIP Adv., 1 [2] 022149 (2011). https://doi.org/10.1063/1.3608793
  15. K. Dickey, J. Anthony, and Y. Loo, "Improving Organic Thin Film Transistor Performance through Solvent Vapor Annealing of Solution-Processable Triethylsilylethynyl Anthradithiophene," Adv. Mater., 18 [13] 1721-26 (2006). https://doi.org/10.1002/adma.200600188
  16. J. Wang, Z. Wu, J. Miao, K. Liu, and Y. Cao, "Solution-Processed Diketopyrrolopyrrole-Containing Small-Molecule Organic Solar Cells with 7.0% Efficiency: In-Depth Investigation on the Effects of Structure Modification and Solvent Vapor Annealing," Chem. Mater., 27 [12] 4338-48 (2015). https://doi.org/10.1021/acs.chemmater.5b00848
  17. J. Soeda, Y. Hirose, M. Yamagishi, A. Nakao, T. Uemura, and J. Takeya, "Solution-Crystallized Organic Field-Effect Transistors with Charge-Acceptor Layers: High-Mobility and Low-Threshold-Voltage Operation in Air," Adv. Mater., 23 [29] 3309-14 (2011). https://doi.org/10.1002/adma.201101027
  18. S. Lee, S. Jung, J. Lee, C. Kim, and M. Lee, "Investigation of Charge Injection Characteristics in Diketopyrrolopyrrole Ambipolar Semiconducting Polymers," Proc. SPIE., 9185 918512-1-8 (2014).
  19. R. Di Pietro, D. Venkateshvaran, A. Klug, E. List-Kratochvil, and D. Neher, "Simultaneous Extraction of Charge Density Dependent Mobility and Variable Contact Resistance from Thin Film Transistors," App. Phys. Lett., 104 [19] 193501 (2014). https://doi.org/10.1063/1.4876057

피인용 문헌

  1. 2D organic single crystals: Synthesis, novel physics, high-performance optoelectronic devices and integration vol.50, pp.None, 2016, https://doi.org/10.1016/j.mattod.2021.02.021