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The solution‐processed zinc oxide (ZnO) electron transport layer (ETL) always exhibits ubiquitous defects, and its photocatalytic activity is detrimental for the organic solar cell (OSC) to achieve high efficiency and stability. Herein, an organic dye molecule, PDINN‐S is introduced, to dope ZnO, constructing a hybrid ZnO:PDINN‐S ETL. This hybrid ETL exhibits improved electron mobility and conductivity,...
Electron transport layers (ETLs) generally contain polar groups for enhancing performance and reducing the work function. Nevertheless, the polar group with high surface energy may cause inferior interfacial compatibility, which challenges the ETLs to balance stability and performance. Here, two conjugated small molecules of ETLs with low surface energy siloxane, namely PDI‐Si and PDIN‐Si, are synthesized...
Recently, the power conversion efficiency (PCE) of organic solar cells (OSCs) has increased dramatically, making a big step toward the industrial application of OSCs. Among numerous OSCs, benzodithiophene (BDT)‐based OSCs stand out in achieving efficient PCE. Notably, single‐junction OSCs using BDT‐based polymers as donor materials have completed a PCE of over 19%, indicating a dramatic potential...
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