Ultrathin planar solar absorbers using monolayer two-dimensional materials

doi:10.7523/j.issn.2095-6134.2018.02.018

›› 2018, Vol. 35 ›› Issue (2): 270-274.DOI: 10.7523/j.issn.2095-6134.2018.02.018

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Ultrathin planar solar absorbers using monolayer two-dimensional materials

WANG Lin, LIU Dong, LI Qiang

MIIT Key Laboratory of Thermal Control of Electronic Equipment, School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

Received:2017-04-21 Revised:2017-08-31 Online:2018-03-15

Abstract

Abstract: Monolayer two-dimensional (2D) materials hold promise for solar photovoltaics. This work investigated whether the 100% absorption could be achieved by 2D material solar absorbers with simple planar structure. The absorber was designed to consist of a 2D material film on top of a transparent layer coated on metallic substrate. The two-dimensional condition for perfect absorption can be satisfied by adjusting the transparent layer thickness and the incident angle. The results for the MoS₂ and graphene absorbers show that there always exist a pair of transparent layer thickness value and incident angle value at which these absorbers achieve the 100% absorption. In addition, these absorbers can be easily fabricated, and thus they pave the way to efficient 2D material photovoltaic devices.

Key words: 2D material, solar energy, optical absorber, ultrathin planar film

CLC Number:

TK124

WANG Lin, LIU Dong, LI Qiang. Ultrathin planar solar absorbers using monolayer two-dimensional materials[J]. , 2018, 35(2): 270-274.

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Ultrathin planar solar absorbers using monolayer two-dimensional materials

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