非对称结构诱导取向生长的有机半导体薄膜

王向华; 顾勋; 张春雨; 李博; 吕申宸

doi:10.3788/fgxb20173810.1314

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非对称结构诱导取向生长的有机半导体薄膜

器件制备及器件物理 | 更新时间：2020-08-12

- 非对称结构诱导取向生长的有机半导体薄膜
- Directional Growth of Organic Semiconductor Film on Asymmetric Structures
- 发光学报 2017年38卷第10期页码：1314-1320
- 作者机构：
  
  合肥工业大学光电技术研究院, 特种显示技术国家工程实验室, 省部共建现代显示技术国家重点实验室(培育基地), 特种显示技术教育部重点实验室,安徽合肥,230009
- 作者简介：
- 基金信息：
  
  国家自然科学基金（51203039，51573036）;中央高校基本科研业务费专项资金（2192016JD2016JGPY0007）资助项目
- DOI：10.3788/fgxb20173810.1314
  中图分类号： TN383+.1
- 纸质出版日期：2017-10-5，
  
  网络出版日期：2017-6-29，
  
  收稿日期：2017-2-28，
  
  修回日期：2017-4-18，
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王向华, 顾勋, 张春雨等. 非对称结构诱导取向生长的有机半导体薄膜[J]. 发光学报, 2017,38(10): 1314-1320

WANG Xiang-hua, GU Xun, ZHANG Chun-yu etc. Directional Growth of Organic Semiconductor Film on Asymmetric Structures[J]. Chinese Journal of Luminescence, 2017,38(10): 1314-1320
王向华, 顾勋, 张春雨等. 非对称结构诱导取向生长的有机半导体薄膜[J]. 发光学报, 2017,38(10): 1314-1320 DOI： 10.3788/fgxb20173810.1314.

WANG Xiang-hua, GU Xun, ZHANG Chun-yu etc. Directional Growth of Organic Semiconductor Film on Asymmetric Structures[J]. Chinese Journal of Luminescence, 2017,38(10): 1314-1320 DOI： 10.3788/fgxb20173810.1314.

摘要

采用非对称立体结构，利用其表面在微米尺度范围上存在的表面曲率变化及其各向异性的梯度特征，作用于喷墨打印在结构上方的TIPS-并五苯前驱体溶液表面，形成不对称的液体表面张力分布，从而驱动有机半导体发生取向生长。基于这种非对称立体结构制备了有机薄膜晶体管（OTFT）阵列，其平均迁移率提升了近40%，同时迁移率的变异系数由68%减小到39%。

Abstract

Asymmetric structures were designed and fabricated featured with differential surface curvature across the microscale profiles and the characteristic anisotropic gradient. TIPS-pentacene was deposited over the profile

via

a solution precursor and directional crystallization is achieved owing to the asymmetric surface energy distribution across the surface of the liquid. With the semiconductor layer printed

via

this method

the average mobility of an arrayed organic thin-film transistors (OTFTs) was increased by 40% while the coefficient of variation (CV) was reduced from 68% to 39%.

关键词

有机薄膜晶体管非对称立体结构喷墨打印取向结晶生长

Keywords

OTFTasymmetric structureinkjet printingdirectional crystallization

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