Numerical probing into the role of experimentally developed ZnTe window layer in high-performance Ag3AuSe2 photodetector

Results in Materials Pub Date : 2024-12-15 DOI:10.1016/j.rinma.2024.100651

Sheikh Noman Shiddique , Ahnaf Tahmid Abir , Syeda Samiha Nushin , Bipanko Kumar Mondal , Jaker Hossain

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Abstract

In this work, a comprehensive investigation is performed to design a high-performance Ag₃AuSe₂ (Fischesserite) NIR photodetector (PD) with experimentally synthesized ZnTe window and AgCuS as a back surface field (BSF) layers. The ZnTe window layer has been successfully fabricated through spin coating method utilizing thiol-amine co-solvents. This technique yields a notable Bandgap of 2.5 eV for ZnTe thin film. The role of different parameters of each layer such as depth, doping, and defect density are investigated in order to determine how they affect the performance. The Ag₃AuSe₂ PD exhibits excellent results with an amazing photocurrent (J_SC) of 45.7 mA/cm², V_OC of 0.86 V, responsivity of 0.78 AW^-1, detectivity of 3.65 × 10¹⁵ Jones. Because of these superior features and customized design, the Ag₃AuSe₂ PD with ZnTe transport layer shown in this study holds great potential for use in optoelectronic applications in the future.

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Results in Materials

CiteScore

5.30

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0.00%

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