Design and optimization of high-performance MoSe2/PC60BM heterostructure based self-powered photodetector

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: B Pub Date : 2025-01-17 DOI:10.1016/j.mseb.2025.118018

Vivek Dubey , Anupam Srivastava , Rupam Sinha , Nirmal Roy

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Abstract

This study explores the performance of molybdenum diselenide (MoSe₂) based photodetectors for wearable technology, point-of-care diagnostics, and environmental monitoring, focusing on the MoSe₂ absorber layer and [6], [6]-phenyl C₆₀ butyric acid methyl ester (PC₆₀BM) in an Au/MoSe₂/PC₆₀BM/FTO configuration. Using the solar cell capacitance simulator, we optimized various physical parameters of the MoSe₂ layer, including thickness, doping, defect density, interfacial defects, and radiative recombination, to achieve optimal device performance. The optimized device exhibited a maximum detectivity of 6.70×10¹³ Jones and a responsivity of 0.60 A/W under 790 nm illumination. The impact of incident power, temperature, and different metal contacts was also examined. This study uniquely integrates multiple critical parameters, including temperature-dependent behavior and metal contact effects, providing a comprehensive analysis that differentiates it from previous work. Our findings highlight the potential of transition metal dichalcogenides (TMDC) based photodetectors for a range of optoelectronic applications.

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来源期刊

Materials Science and Engineering: B 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.