首页|Progress of additives for morphology control in organic photovoltaics

Progress of additives for morphology control in organic photovoltaics

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The microstructure of the active layer in organic photovoltaics(OPVs),such as the size of phase separa-tion,purity of the phases,and molecular packing within each phase,plays a crucial role in influencing the behavior of excitons and charge carriers within the active layer.It is also a key determinant of the photovoltaic performance of the device.During the optimization of OPV devices,the use of additives has been demonstrated to be an effective strategy in microstructure control,leading to enhanced per-formance.Therefore,the quest for stable and efficient novel additives,along with an exploration and summarization of the mechanisms underlying additive-induced microstructure control,is essential for a better understanding of the developmental trends of high-performance additives.In this review,we cat-egorize additives based on their chemical structures and discuss their effects on the microstructure of the active layer from both thermodynamic and kinetic perspectives.Furthermore,we elaborate on the working mechanisms and their impact on the photovoltaic performance of the devices.This review pro-vides an overview of recent advances in additives for OPVs,offering potential guidance for the future development of additives and further optimization of the active layer in photovoltaic devices.

Organic photovoltaicsAdditivesActive layer morphologyMechanismsPhotovoltaic performances

Zhongjie Li、Xiangyue Kong、Yuhao Liu、Huayu Qiu、Lingling Zhan、Shouchun Yin

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Key Laboratory of Organosilicon Chemistry and Materials Technology of Ministry of Education,College of Material,Chemistry and Chemical Engineering,Hangzhou Normal University,Hangzhou 311121,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaZhejiang Provincial Natural Science FoundationZhejiang Provincial Natural Science Foundation"Tenthousand Talents Plan"of Zhejiang Province

5230322621971049LQ23E030002LZ23B0400012019R52040

2024

10.1016/j.cclet.2023.109378

中国化学快报(英文版)
中国化学会

中国化学快报(英文版)

CSTPCD
影响因子：0.771
ISSN：1001-8417
年,卷(期)：2024.35(6)
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