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采用含新型二酮吡咯并吡咯小分子的高性能溶液法制备的有机场效应晶体管

High Performance Solution Processed Organic Field Effect Transistors with Novel Diketopyrrolopyrrole-Containing Small Molecules.

作者信息

Lim Bogyu, Sun Huabin, Lee Jaechol, Noh Yong-Young

机构信息

Future Technology Research Center, Corporate R&D, LG Chem Research Park, 188, Moonji-ro, Yuseong-gu, Daejeon, 34122, Republic of Korea.

Department of Energy and Materials Engineering, Dongguk University, 30 Pildong-ro, 1-gil, Jung-gu, Seoul, 04620, Republic of Korea.

出版信息

Sci Rep. 2017 Mar 13;7(1):164. doi: 10.1038/s41598-017-00277-7.

DOI:10.1038/s41598-017-00277-7
PMID:28279016
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5427974/
Abstract

The donor-acceptor (D-A)-type diketopyrrolopyrrole (DPP)-based small molecules (LGC-D117 and LGC-D118) were synthesized and used as the active layer of solution-processable organic field-effect transistors (OFETs). Both LGC-D117 and LGC-D118 contain silaindacenodithiophene as electron-donor units with DPP as an electron-accepting linker, and octylrhodanine as the electron-accepting end group. The molecules were functionalized with different side chains to study their effects on OFET characteristics. LGC-D117 has a simple branched alkyl side chain, whereas LGC-D118 features a bulky siloxane-terminated hybrid alkyl chain. The siloxane side chains of LGC-D118 account for its better crystallinity, leading to significantly high field-effect mobility (max 3.04 cm V s). In particular, LGC-D118 is well soluble and sustains the high mobility in the environmentally friendly 2-methyltetrahydrofuran solvent with low temperature annealing at 100 °C due to the bulky siloxane-terminated alkyl side chain.

摘要

合成了供体-受体（D-A）型基于二酮吡咯并吡咯（DPP）的小分子（LGC-D117和LGC-D118），并将其用作溶液可加工有机场效应晶体管（OFET）的活性层。LGC-D117和LGC-D118均包含硅茚并二噻吩作为电子供体单元，DPP作为电子接受连接体，以及辛基罗丹宁作为电子接受端基。通过用不同的侧链对分子进行功能化，以研究它们对OFET特性的影响。LGC-D117具有简单的支链烷基侧链，而LGC-D118具有庞大的硅氧烷封端的杂化烷基链。LGC-D118的硅氧烷侧链使其具有更好的结晶性，从而导致显著高的场效应迁移率（最大值为3.04 cm² V⁻¹ s⁻¹）。特别是，由于庞大的硅氧烷封端的烷基侧链，LGC-D118具有良好的溶解性，并且在100°C低温退火的环保型2-甲基四氢呋喃溶剂中保持高迁移率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9af4/5427974/50410c9d91b4/41598_2017_277_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9af4/5427974/fc1706cf129f/41598_2017_277_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9af4/5427974/609cff0d827e/41598_2017_277_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9af4/5427974/8f6bd6858667/41598_2017_277_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9af4/5427974/97173b9ad21b/41598_2017_277_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9af4/5427974/50410c9d91b4/41598_2017_277_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9af4/5427974/fc1706cf129f/41598_2017_277_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9af4/5427974/609cff0d827e/41598_2017_277_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9af4/5427974/8f6bd6858667/41598_2017_277_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9af4/5427974/97173b9ad21b/41598_2017_277_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9af4/5427974/50410c9d91b4/41598_2017_277_Fig5_HTML.jpg

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