Photonic band gap in 1D multilayers made by alternating SiO2 or PMMA with MoS2 or WS2 monolayers期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Photonic band gap in 1D multilayers made by alternating SiO2 or PMMA with MoS2 or WS2 monolayers

Affiliation:	1. Center for Nano Science and Technology@PoliMi, Istituto Italiano di Tecnologia, Via Giovanni Pascoli, 70/3, 20133 Milan, Italy;2. Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy;3. Dipartimento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy;4. Istituto di Fotonica e Nanotecnologie CNR, Piazza Leonardo da Vinci 32, 20133 Milano, Italy;1. College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, PR China;2. Institute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, PR China;1. UFABC – Univ Federal do ABC, Centro de Engenharia (CECS), Avenida dos Estados 5001, 09210-170 Santo André, SP, Brazil;2. UNESP, Univ Estadual Paulista, Departamento de Física (IGCE), Caixa Postal 178, 13500-970 Rio Claro, SP, Brazil;1. Department of Physics, Sacred Heart College, Chalakudy, Kerala 680307, India;2. Department of Physics, Agni College of Technology, Thalambur, Tamil Nadu 600130, India;3. Crystal Growth & X-ray Analysis Activity and Sophisticated Analytical Instruments Division, National Physical Laboratory, Dr. K.S. Krishnan Road, New Delhi 110 012, India

Abstract:	Atomically thin molybdenum disulfide (MoS₂) and tungsten disulfide (WS₂) are very interesting two dimensional materials for optics and electronics. In this work we show the possibility to obtain one-dimensional photonic crystals consisting of low-cost and easy processable materials, as silicon dioxide (SiO₂) or poly methyl methacrylate (PMMA), and of MoS₂ or WS₂ monolayers. We have simulated the transmission spectra of the photonic crystals using the transfer matrix method and employing the wavelength dependent refractive indexes of the materials. This study envisages the experimental fabrication of these new types of photonic crystals for photonic and light emission applications.

Keywords:	Photonic crystals Transfer matrix method Transition metal dichalcogenides
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