Study on the Optical Transmission Properties of One-Dimensional Photonic Crystal of MoS2

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Abstract:

We designed MoS2/SiO2 one-dimensional (1D) photonic crystal using the concept of photonic crystal and investigated the light transfer properties by means of transfer-matrix method. We found that the transfer properties of photonic crystal can be modified by the period of photonic crystal, the thickness of dielectric layer, and the number of the defect layers. The number of photonic band gaps (PBGs) reduces with the decrease of the thickness of dielectric layer, and the position of PBGs in the spectra rapidly moves to short wavelength direction. For defect photonic crystal, the width of the PBGs obviously become larger, and the transmittance spectra oscillate more intensely, similar to the characteristics of Bragg gratings. These properties will give good instructor for the preparation of 1D MoS2 quantum well light emitting devices and solar cells.

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42-46

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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