BROWSE

Related Researcher

Author's Photo

Yang, Changduk
Advanced Tech-Optoelectronic Materials Synthesis Lab (ATOMS)
Research Interests
  • Optoelectronic materials synthesis/organic electronics, functionalization of carbonaceous solids, advanced materials chemistry, macromolecular chemistry

ITEM VIEW & DOWNLOAD

Subtle Molecular Tailoring Induces Significant Morphology Optimization Enabling over 16% Efficiency Organic Solar Cells with Efficient Charge Generation

Cited 0 times inthomson ciCited 0 times inthomson ci
Title
Subtle Molecular Tailoring Induces Significant Morphology Optimization Enabling over 16% Efficiency Organic Solar Cells with Efficient Charge Generation
Author
Zhou, ZichunLiu, WenruiZhou, GuanqingZhang, MingQian, DepingZhang, JianyunChen, ShanshanXu, ShengjieYang, ChangdukGao, FengZhu, HaimingLiu, FengZhu, Xiaozhang
Issue Date
2020-01
Publisher
WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Citation
ADVANCED MATERIALS, v.32, no.4, pp.906324
Abstract
Manipulating charge generation in a broad spectral region has proved to be crucial for nonfullerene-electron-acceptor-based organic solar cells (OSCs). 16.64% high efficiency binary OSCs are achieved through the use of a novel electron acceptor AQx-2 with quinoxaline-containing fused core and PBDB-TF as donor. The significant increase in photovoltaic performance of AQx-2 based devices is obtained merely by a subtle tailoring in molecular structure of its analogue AQx-1. Combining the detailed morphology and transient absorption spectroscopy analyses, a good structure-morphology-property relationship is established. The stronger pi-pi interaction results in efficient electron hopping and balanced electron and hole mobilities attributed to good charge transport. Moreover, the reduced phase separation morphology of AQx-2-based bulk heterojunction blend boosts hole transfer and suppresses geminate recombination. Such success in molecule design and precise morphology optimization may lead to next-generation high-performance OSCs.
URI
https://scholarworks.unist.ac.kr/handle/201301/30705
URL
https://onlinelibrary.wiley.com/doi/full/10.1002/adma.201906324
DOI
10.1002/adma.201906324
ISSN
0935-9648
Appears in Collections:
ECHE_Journal Papers
Files in This Item:
There are no files associated with this item.

find_unist can give you direct access to the published full text of this article. (UNISTARs only)

Show full item record

qrcode

  • mendeley

    citeulike

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

MENU