Directional Growth of Organic Semiconductor Film on Asymmetric Structures

WANG Xiang-hua; GU Xun; ZHANG Chun-yu; LI Bo; LYU Shen-chen

doi:10.3788/fgxb20173810.1314

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Directional Growth of Organic Semiconductor Film on Asymmetric Structures

更新时间：2020-08-12

- Directional Growth of Organic Semiconductor Film on Asymmetric Structures
- Chinese Journal of Luminescence Vol. 38, Issue 10, Pages: 1314-1320(2017)
- 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：
  
  Supported by National Natural Science Foundation of China (51203039,51573036);Special Fund for Basic Scientific Research of Central University(2192016JD2016JGPY0007)。
- DOI：10.3788/fgxb20173810.1314
  CLC： TN383+.1
- Received：28 February 2017，
  
  Revised：18 April 2017，
  
  Published Online：29 June 2017，
  
  Published：05 October 2017
- 稿件说明：
移动端阅览
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%.

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Keywords

references

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