Effect of Solution Shearing Method on Packing and Disorder of Organic Semiconductor Polymers

被引：104

作者：

Giri, Gaurav ^{[1
]}

DeLongchamp, Dean M. ^{[2
]}

Reinspach, Julia ^{[1
,3
]}

Fischer, Daniel A. ^{[2
]}

Richter, Lee J. ^{[2
]}

Xu, Jie ^{[4
]}

Benight, Stephanie ^{[1
]}

Ayzner, Alex ^{[3
]}

He, Mingqian ^{[5
]}

Fang, Lei ^{[1
]}

Xue, Gi ^{[4
]}

Toney, Michael F. ^{[3
]}

Bao, Zhenan ^{[1
]}

机构：

[1] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA

[2] NIST, Gaithersburg, MD 20899 USA

[3] SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA

[4] Nanjing Univ, Sch Chem & Chem Engn, Dept Polymer Sci & Engn, Nanjing 210093, Jiangsu, Peoples R China

[5] Corning Inc, Corning, NY 14831 USA

来源：

CHEMISTRY OF MATERIALS | 2015年 / 27卷 / 07期

基金：

美国国家科学基金会;

关键词：

FIELD-EFFECT TRANSISTORS; THIN-FILM TRANSISTORS; SELF-ASSEMBLED MONOLAYERS; HIGH-MOBILITY; CHARGE-TRANSPORT; ELECTRONIC-PROPERTIES; HOLE MOBILITY; PERFORMANCE; CRYSTALLINE; COPOLYMERS;

D O I：

10.1021/cm503780u

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The solution shearing method has previously been used to tune the molecular packing and crystal thin film morphology of small molecular organic semiconductors (OSCs). Here, we study how the solution shearing method impacts the thin film morphology and causes structural rearrangements of two polymeric OSCs with interdigitated side chain packing, namely P2TDC17FT4 and PBTTT-C16. The conjugated backbone tilt angle and the thin film morphology of the P2TDC17FT4 polymer were changed by the solution shearing conditions, and an accompanying change in the charge carrier mobility was observed. For PBTTT-C16, the out-of-plane lamellar spacing was increased by solution shearing, due to increased disorder of side chains. The ability to induce structural rearrangement of polymers through solution shearing allows for an easy and alternative method to modify OSC charge transport properties.

引用

页码：2350 / 2359

页数：10

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