High-Performance Indoor Organic Solar Cells Based on a Double-Cable Conjugated Polymer,Solar RRL

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High-Performance Indoor Organic Solar Cells Based on a Double-Cable Conjugated Polymer
Solar RRL ( IF 6.0 ) Pub Date : 2022-01-18 , DOI: 10.1002/solr.202100981
Zhaofan Yang ₁ , Chong Guan ₁ , Xudong Jiang _{1,

2} , Guangcong Zhang ₁ , Chengcheng Xie ₁ , Chunhui Liu ₁ , Chengyi Xiao ₁ , Weiwei Li ₁

Affiliation

Indoor photovoltaic is one of the most important applications of organic solar cells (OSCs). As different from AM1.5G sunlight with broad spectra from the visible to near-infrared region, the spectra of indoor light are usually located in the visible region. Therefore, a special material design for the photoactive layer to meet the requirement of indoor light is required for application in indoor photovoltaics. Herein, a wide-bandgap double-cable conjugated polymer is intentionally selected, which has the well-matched absorption spectra with indoor light for use in indoor OSCs. This double-cable polymer is used as a single photoactive layer in OSCs, providing a high power conversion efficiency of 19.44% under indoor light, which is comparable with the bulk-heterojunction solar cells using near-infrared electron acceptors. Moreover, the double-cable polymer-based indoor OSCs exhibit high storage stability. These results indicate that single-component OSCs based on double-cable polymers have promising applications in indoor OSCs.

中文翻译：

基于双电缆共轭聚合物的高性能室内有机太阳能电池

室内光伏是有机太阳能电池（OSC）最重要的应用之一。与AM1.5G太阳光具有从可见光到近红外区域的宽光谱不同，室内光的光谱通常位于可见光区域。因此，在室内光伏应用中，需要对光敏层进行特殊的材料设计以满足室内光的要求。在此，特意选择了一种宽带隙双电缆共轭聚合物，它与室内光具有良好匹配的吸收光谱，用于室内 OSC。这种双电缆聚合物用作 OSC 中的单个光活性层，在室内光下提供 19.44% 的高功率转换效率，可与使用近红外电子受体的体异质结太阳能电池相媲美。而且，基于双电缆聚合物的室内 OSC 表现出高储存稳定性。这些结果表明，基于双电缆聚合物的单组分 OSC 在室内 OSC 中具有广阔的应用前景。

更新日期：2022-01-18

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