Over 17.1% or 18.2% Efficiency of Layer-by-Layer All-Polymer Solar Cells via Incorporating Efficient Pt Complexes as Energy Donor Additive

被引：33

作者：

Zhang, Lu ^{[1
]}

Zhang, Miao ^{[2
]}

Ni, Yuheng ^{[1
]}

Xu, Wenjing ^{[1
]}

Zhou, Hang ^{[1
]}

Ke, Shengyi ^{[2
]}

Tian, Hongyue ^{[1
]}

Jeong, Sang Young ^{[3
]}

Woo, Han Young ^{[3
]}

Wong, Wai-Yeung ^{[2
]}

Ma, Xiaoling ^{[1
]}

Zhang, Fujun ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China

[2] Hong Kong Polytech Univ, Dept Appl Biol & Chem Technol, Hung Hom, Hong Kong 999077, Peoples R China

[3] Korea Univ, Coll Sci, Dept Chem, Organ Optoelect Mat Lab, Seoul 02841, South Korea

来源：

ACS MATERIALS LETTERS | 2024年 / 6卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Conversion efficiency - Energy efficiency - Energy transfer - Platinum compounds - Polymer solar cells;

D O I：

10.1021/acsmaterialslett.4c00848

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Layer-by-layer (LbL) all-polymer solar cells (APSCs) are constructed with or without the incorporation of a Pt complex F-Pt as an energy donor additive in the acceptor layer. The power conversion efficiency (PCE) of LbL APSCs can be enhanced from 15.86% to 17.14% through introducing 0.2 wt % F-Pt in the PY-IT layer, originating from the efficient energy transfer from F-Pt to PM6 and PY-IT. The efficient energy transfer from F-Pt to PM6 and PY-IT can be well confirmed from the spectral overlapping between photoluminescence (PL) spectra of F-Pt and absorption spectra of PM6 and PY-IT, as well as the prolonged PL lifetime of PM6 and PY-IT according to the transient time-resolved PL spectra of blend and LbL films. The universality of the F-Pt incorporation strategy can be further confirmed from PBQx-TCl/PY-DT based LbL APSCs, and PCE can be increased from 17.57% to 18.29% by incorporating F-Pt into the PY-DT layer.

引用

页码：2964 / 2973

页数：10

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