Photon management in perovskite solar cells by nanohole front contact

Mohammad Ismail Hossain; Wayesh Qarony; Safayet Ahmed; Ahmed M. Saleque; Juan Antonio Zapien; Dietmar Knipp; Yuen Hong Tsang

doi:10.1117/12.2579343

20 August 2020 Photon management in perovskite solar cells by nanohole front contact

Mohammad Ismail Hossain, Wayesh Qarony, Safayet Ahmed, Ahmed M. Saleque, Juan Antonio Zapien, Dietmar Knipp, Yuen Hong Tsang

Author Affiliations +

Proceedings Volume 11474, Organic, Hybrid, and Perovskite Photovoltaics XXI; 1147417 (2020) https://doi.org/10.1117/12.2579343
Event: SPIE Organic Photonics + Electronics, 2020, Online Only

Abstract

Photon management of perovskite solar cells (PSCs) is studied by the use of nanohole front contact, which allows improving the JSC of the PSC by providing an improved light incoupling. The front contact integrated with spherical nanocone shaped holes represent a refractive index grating allowing for light incoupling approaching unity while minimizing reflection losses. Besides, the front contact has a comparable refractive index (n~2.5) with the perovskite absorber, which minimizes the front reflections in PSC. Optics and optimization of front contact and solar cell are investigated by three-dimensional (3D) finite-difference time-domain (FDTD) simulations whereas finite element method simulations are used to study the electrical response of the device. Investigations reveal a maximum light incoupling enhancement of 10~12% for the optimized PSC, leading to 10 to 27% JSC enhancement with respect to the planar reference PSC.

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Citation Download Citation

Mohammad Ismail Hossain, Wayesh Qarony, Safayet Ahmed, Ahmed M. Saleque, Juan Antonio Zapien, Dietmar Knipp, and Yuen Hong Tsang "Photon management in perovskite solar cells by nanohole front contact", Proc. SPIE 11474, Organic, Hybrid, and Perovskite Photovoltaics XXI, 1147417 (20 August 2020); https://doi.org/10.1117/12.2579343

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