Surface-induced orientation of pentacene molecules and transport anisotropy on nanogroove SiO₂ dielectric layer by simple scratched method: The study of surface roughness and molecular alignment on the mobility of organic thin film transistors

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• 作者：Aryeon Kim^a ; ¹ ; Won Jin Choi^a ; ¹ ; Kwang-Suk Jang^b ; Hyeonsu Jeong^c ; Jinsoo Kim^a ; Jae-Won Ka^a ; Jong Chan Won^a ; Jeong-O. Lee^a ; ^{jolee@krict.re.kr} ; Yun Ho Kim^a ; ^{yunho@krict.re.kr}
• 关键词：Nano-groove ; Pentacene ; Molecular anisotropy ; Surface roughness ; OTFTs
• 刊名：Organic Electronics
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：42
• 期：Complete
• 页码：316-321
• 全文大小：1679 K
• 卷排序：42

文摘

Simple scratching method for nanogroove structure on SiO2 surface is proposed. Nano-grooved substrate have been effective to molecular alignment of pentacene. Rough surface with nanogroove negatively affects the performance of OTFT.