Comparative Study of TiO <sub>2</sub> and CdS as the Electron Transport Layer for Sb <sub>2</sub> S <sub>3</sub> Solar Cells
نویسندگان
چکیده
Antimony sulfide (Sb2S3) is a promising wide-bandgap photovoltaic material, and potential top-cell candidate for next-generation Si-based tandem solar cells. The most widely used electron transport layers in Sb2S3 cells are TiO2 CdS, which present an obvious performance variation open-circuit voltage (V OC) short current (J sc). However, the mechanisms behind disparity because of layer (ETL) have not been disclosed. Herein, comprehensive comparative study using CdS as presented, covers their influence on preferential crystal orientation, band alignment, interface, bulk defects. It found that ETL results less interfacial defects more favorable enabling higher V OC, while high resistance film parasitic light absorption restricts J SC. findings provide substantial guidance device optimization
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ژورنال
عنوان ژورنال: Solar RRL
سال: 2022
ISSN: ['2367-198X']
DOI: https://doi.org/10.1002/solr.202200435