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First Thermal and Fluids Engineering Summer Conference

ISSN: 2379-1748
ISBN: 978-1-56700-430-4

Effect of Graphene on the Near-Field Thermophotovoltaic Device

DOI: 10.1615/TFESC1.mnr.012646
pages 1661-1664

Mikyung Lim
KAIST Department of Mechanical Engineering, 291, Daehak-ro, Yuseong-gu, Daejeon 34141, South Korea

Seokmin Jin
Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, South Korea

Seung S. Lee
KAIST Department of Mechanical Engineering, 291, Daehak-ro, Yuseong-gu, Daejeon 34141, South Korea

Bong Jae Lee
KAIST Department of Mechanical Engineering, 291, Daehak-ro, Yuseong-gu, Daejeon 34141, South Korea


KEY WORDS: Near-field thermophotovoltaic energy conversion device, graphene

Abstract

The present work theoretically investigates the models for calculating the performance on graphene-assisted InSb thermophotovoltaic (TPV) system. Because the TPV system can generate the electric power from the absorbed radiation inside the TPV cell only, power generation obtained by including graphene's absorption can lead to overestimation. Moreover, assumption of quantum efficiency of 100% does not take account of the recombination of generated electron-hole pairs and penetration depth, resulting in further overestimation. In this study, the power generation is calculated using various models so that the effect of each contribution can be analyzed. Furthermore, the effect of graphene on the enhancement of power generation is investigated with the penetration depth of thermal radiation.

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