STUDY ON PHOTOVOLTAIC PERFORMANCE OF GeSe THIN FILMS BASED ON DYE SURFACE MODIFICATION

Zhang Wenyi; Wu Haifeng; Han Yingjian; Duan Kaiqiang; Wang Yaoxiang; Wang Ruixiang

doi:10.19912/j.0254-0096.tynxb.2024-1454

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (12) : 161-167. DOI: 10.19912/j.0254-0096.tynxb.2024-1454

STUDY ON PHOTOVOLTAIC PERFORMANCE OF GeSe THIN FILMS BASED ON DYE SURFACE MODIFICATION

Zhang Wenyi¹, Wu Haifeng¹, Han Yingjian¹, Duan Kaiqiang¹, Wang Yaoxiang², Wang Ruixiang¹

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Abstract

To enhance the light absorption properties and PCE of GeSe thin films, this study proposes a dye-sensitization surface modification method, employing single dyes such as Rhodamine B （RB）, Methylene Blue （MB）, and Congo Red （CR）, as well as their mixtures, to modify the GeSe thin films. Experimental results show that the light absorption capacity of all dye-modified GeSe thin films is significantly improved, with the RB+MB mixed dye demonstrating the most pronounced effect. By simulating the performance of dye-modified GeSe thin-film solar cells using Scaps-1D software, it is found that the GeSe thin film modified with MB exhibits the highest PCE, reaching 26.32 %, whereas the RB+MB modification results in a lower PCE, possibly due to excessive dye loading not being well-matched with other cell performance parameters. This study demonstrates the feasibility of dye-based modification.

Key words

thin film solar cells / light absorption performance / solar cell efficiency / GeSe absorber layer / organic dye / numerical simulation / surface modification

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Zhang Wenyi, Wu Haifeng, Han Yingjian, Duan Kaiqiang, Wang Yaoxiang, Wang Ruixiang. STUDY ON PHOTOVOLTAIC PERFORMANCE OF GeSe THIN FILMS BASED ON DYE SURFACE MODIFICATION[J]. Acta Energiae Solaris Sinica. 2025, 46(12): 161-167 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1454

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