材料科学
分子间力
有机半导体
制作
晶体管
光电探测器
半导体
场效应晶体管
光电子学
Crystal(编程语言)
格子(音乐)
单晶
化学物理
纳米技术
凝聚态物理
结晶学
电压
分子
物理
病理
计算机科学
声学
化学
程序设计语言
替代医学
医学
量子力学
作者
Qiuhong Cui,Yuanyuan Hu,Cheng Zhou,Feng Teng,Jianfei Huang,Andriy Zhugayevych,Sergei Tretiak,Thuc‐Quyen Nguyen,Guillermo C. Bazan
标识
DOI:10.1002/adfm.201702073
摘要
Abstract Single crystal microwires of a well‐studied organic semiconductor used in organic solar cells, namely p ‐DTS(FBTTh 2 ) 2 , are prepared via a self‐assembly method in solution. The high level of intermolecular organization in the single crystals facilitates migration of charges, relative to solution‐processed films, and provides insight into the intrinsic charge transport properties of p ‐DTS(FBTTh 2 ) 2 . Field‐effect transistors based on the microwires can achieve hole mobilities on the order of ≈1.8 cm 2 V −1 s −1 . Furthermore, these microwires show photoresponsive electrical characteristics and can act as photoswitches, with switch ratios over 1000. These experimental results are interpreted using theoretical simulations using an atomistic density functional theory approach. Based on the lattice organization, intermolecular couplings and reorganization energies are calculated, and hole mobilities for comparison with experimental measurements are further estimated. These results demonstrate a unique example of the optoelectronic applications of p ‐DTS(FBTTh 2 ) 2 microwires.
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