Issue

Vol. 11 (2019)

Perovskite/Silicon Tandem Solar Cells: From Detailed Balance Limit Calculations to Photon Management

https://doi.org/10.1007/s40820-019-0287-8
Mohammad I. Hossain
Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, People’s Republic of China
Wayesh Qarony
Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, People’s Republic of China
Sainan Ma
Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, People’s Republic of China
Longhui Zeng
Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, People’s Republic of China
Dietmar Knipp
Geballe Laboratory for Advanced Materials, Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
Yuen Hong Tsang
Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, People’s Republic of China

Corresponding Author: Yuen Hong Tsang

yuen.tsang@polyu.edu.hk

Nano-Micro Letters, Vol. 11 (2019), Article Number: 58

Abstract

Energy conversion efficiency losses and limits of perovskite/silicon tandem solar cells are investigated by detailed balance calculations and photon management. An extended Shockley–Queisser model is used to identify fundamental loss mechanisms and link the losses to the optics of solar cells. Photon management is used to minimize losses and maximize the energy conversion efficiency. The influence of photon management on the solar cell parameters of a perovskite single-junction solar cell and a perovskite/silicon solar cell is discussed in greater details. An optimized solar cell design of a perovskite/silicon tandem solar cell is presented, which allows for the realization of solar cells with energy conversion efficiencies exceeding 32%.


Highlights:


1 Thermodynamic and detailed balance calculations are provided to derive guideline for the optimization of perovskite solar cells.
2 The influence of photon management on the energy conversion efficiency of perovskite solar cells is discussed.
3 An optimized solar cell design is proposed, which allows for realizing perovskite/silicon tandem solar cell with an energy conversion efficiency exceeding 32%.

Keywords

Perovskite solar cell Tandem solar cell Thermodynamic Photon management Detailed balance limit
Hossain, Mohammad I., Wayesh Qarony, Sainan Ma, Longhui Zeng, Dietmar Knipp, and Yuen Hong Tsang. 2019. “Perovskite/Silicon Tandem Solar Cells: From Detailed Balance Limit Calculations to Photon Management”. Nano-Micro Letters 11 (July):58. https://doi.org/10.1007/s40820-019-0287-8.
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