{"title":"Controlled growth of two-dimensional MoS2/WSe2 heterostructure solar cell by chemical vapor deposition","authors":"","doi":"10.1016/j.mseb.2024.117787","DOIUrl":null,"url":null,"abstract":"<div><div>The development of high-quality type II semiconductor heterostructures is crucial for solar energy conversion applications. Here, we report the sequential growth of MoS<sub>2</sub>/WSe<sub>2</sub> two-dimensional semiconductor type II heterostructure using a one-step chemical vapor deposition. The morphological, Raman, and chemical analysis revealed that the WSe<sub>2</sub> layer is deposited on the rhombus-shaped MoS<sub>2</sub>, forming a vertical MoS<sub>2</sub>/WSe<sub>2</sub> heterostructure. The solar cell fabricated using the grown heterostructure exhibits a photovoltaic response with a conversion efficiency of 2.5 % and an open circuit voltage of 0.22 V, respectively. The numerical simulation study unravels the mechanism of charge separation and transport in the MoS<sub>2</sub>/WSe<sub>2</sub> heterostructure solar cell.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":null,"pages":null},"PeriodicalIF":3.9000,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Science and Engineering B-advanced Functional Solid-state Materials","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0921510724006160","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
The development of high-quality type II semiconductor heterostructures is crucial for solar energy conversion applications. Here, we report the sequential growth of MoS2/WSe2 two-dimensional semiconductor type II heterostructure using a one-step chemical vapor deposition. The morphological, Raman, and chemical analysis revealed that the WSe2 layer is deposited on the rhombus-shaped MoS2, forming a vertical MoS2/WSe2 heterostructure. The solar cell fabricated using the grown heterostructure exhibits a photovoltaic response with a conversion efficiency of 2.5 % and an open circuit voltage of 0.22 V, respectively. The numerical simulation study unravels the mechanism of charge separation and transport in the MoS2/WSe2 heterostructure solar cell.
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.
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