Optical Properties of Spin-Coated Solution Processed MoS2

IF 6.2 Q2 ENERGY & FUELS
Muntaser Almansoori, Sabina Abdul Hadi, Ayman Rezk, Khalid Askar, Ammar Nayfeh
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引用次数: 0

Abstract

In this study, the optical and structural properties of solution-processed molybdenum disulfide (MoS2) thin films are explored. MoS2 is synthesized via chemical exfoliation and deposited on fused silica and silicon substrates using a spin-coating technique. The morphology and structural properties of the films are characterized using scanning electron microscopy and atomic force microscopy. Optical properties are examined through UV–vis and Raman spectroscopy. In the results, it is shown that the MoS2 thin films exhibit an indirect bandgap of 1.40 eV with over 60% absorption between 400 and 710 nm. Also, physics-based optical modeling predicts a potential current generation of 25 mA cm−2 with full coverage of MoS2, indicating significant potential for solution-processed MoS2 as an absorber layer in optoelectronic applications.

Abstract Image

旋转镀膜溶液处理二硫化钼的光学性质
本研究探讨了溶液法制备的二硫化钼(MoS2)薄膜的光学和结构特性。通过化学剥落合成二硫化钼,并使用旋转涂层技术沉积在熔融二氧化硅和硅衬底上。利用扫描电子显微镜和原子力显微镜对膜的形貌和结构特性进行了表征。通过紫外-可见光谱和拉曼光谱检测其光学性质。结果表明,MoS2薄膜在400 ~ 710 nm之间具有1.40 eV的间接带隙,吸收率超过60%。此外,基于物理的光学模型预测,在MoS2完全覆盖的情况下,潜在电流产生为25 mA cm−2,这表明溶液处理的MoS2作为光电应用中的吸收层具有重要潜力。
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来源期刊
CiteScore
8.20
自引率
3.40%
发文量
0
期刊介绍: Advanced Energy and Sustainability Research is an open access academic journal that focuses on publishing high-quality peer-reviewed research articles in the areas of energy harvesting, conversion, storage, distribution, applications, ecology, climate change, water and environmental sciences, and related societal impacts. The journal provides readers with free access to influential scientific research that has undergone rigorous peer review, a common feature of all journals in the Advanced series. In addition to original research articles, the journal publishes opinion, editorial and review articles designed to meet the needs of a broad readership interested in energy and sustainability science and related fields. In addition, Advanced Energy and Sustainability Research is indexed in several abstracting and indexing services, including: CAS: Chemical Abstracts Service (ACS) Directory of Open Access Journals (DOAJ) Emerging Sources Citation Index (Clarivate Analytics) INSPEC (IET) Web of Science (Clarivate Analytics).
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