Highly Transparent Organic Solar Cells with All-NearInfrared Photoactive Materials

被引：38

作者：

Xie, Yuanpeng ^{[1
]}

Xia, Ruoxi ^{[2
]}

Li, Tengfei ^{[3
]}

Ye, Linglong ^{[1
]}

Zhan, Xiaowei ^{[3
]}

Yip, Hin-Lap ^{[2
,4
]}

Sun, Yanming ^{[1
]}

机构：

[1] Beihang Univ, Sch Chem, Heeger Beijing Res & Dev Ctr, Beijing 100191, Peoples R China

[2] South China Univ Technol, Sch Mat Sci & Engn, Dept State Key Lab Luminescent Mat, Guangzhou 510640, Peoples R China

[3] Peking Univ, Coll Engn, Dept Mat Sci & Engn, Beijing 100871, Peoples R China

[4] South China Inst Collaborat Innovat, Innovat Ctr Printed Photovolta, Dongguan 523808, Peoples R China

来源：

SMALL METHODS | 2019年 / 3卷 / 12期

基金：

中国国家自然科学基金;

关键词：

all-near-infrared; efficiency; transparent organic solar cells; visible light transmittance; AVERAGE VISIBLE TRANSMITTANCE; POLYMER DONOR; EFFICIENCY; ACCEPTOR; CATHODE;

D O I：

10.1002/smtd.201900424

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：

Transparent organic photovoltaics are identified as important components for building-integrated photovoltaics and smart window technologies. In this work, highly transparent organic solar cells (T-OSCs) based on all-near-infrared (NIR) harvesting materials (optical bandgap, E gopt < 1.4 eV) are first fabricated. Both donor and acceptor materials used in T-OSCs exhibit great transparency in the visible region. After combining MoO3/Ag or MoO3/Ag/MoO3 transparent electrode, T-OSCs show excellent visible light transmittance (VLT) of 52-61.5% with power conversion efficiencies of 3.5-4.2%. As far as it is known, this all-NIR active layer represents the most visible transparent donor-acceptor combination in OSCs. In addition to high VLT, T-OSCs have great aesthetic value, good color-rendering index (CRI > 90), and high light energy utilization properties. This work highlights great potential of NIR photoactive materials for T-OSCs.

引用

页数：6

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