Perovskite Solar Cell on Stainless Steel Substrate over 10% Efficiency for Building-Integrated Photovoltaics

Solhee Lee, Sang-Won Lee, Soohyun Bae, Jae-Keun Hwang, Wonkyu Lee, Dowon Pyun, Seok-Hyun Jeong, Kyunghwan Kim, Ji-Seong Hwang, Sujin Cho, Donghwan Kim, Yoonmook Kang and Hae-Seok Lee ()
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Solhee Lee: Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
Sang-Won Lee: Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
Soohyun Bae: Photovoltaics Laboratory, Korea Institute of Energy Research, Daejeon 34129, Republic of Korea
Jae-Keun Hwang: Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
Wonkyu Lee: Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
Dowon Pyun: Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
Seok-Hyun Jeong: Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
Kyunghwan Kim: Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
Ji-Seong Hwang: Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
Sujin Cho: Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
Donghwan Kim: Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
Yoonmook Kang: Graduate School of Energy and Environment (KU-KIST Green School), Korea University, Seoul 02841, Republic of Korea
Hae-Seok Lee: Graduate School of Energy and Environment (KU-KIST Green School), Korea University, Seoul 02841, Republic of Korea

Energies, 2023, vol. 16, issue 24, 1-10

Abstract: This study investigated the integration of perovskite solar cells (PSCs) on stainless steel (SS) substrates for application in building-integrated photovoltaics (BIPV). Using advanced atomic force microscopy measurements, we confirmed that enhanced substrate roughness increased the reflectance along an interface. Consequently, a remarkable final efficiency of 11.9% was achieved. Notably, PSCs, known for their exceptional efficiency of 26.1%, can overcome the inherent efficiency limitations of SS-based thin-film solar cells. In this study, a PSC with an efficiency of 14% was fabricated on a flexible SS substrate. This study is a significant step towards advancing sustainable energy solutions for BIPV applications. The global shift towards renewable energy sources has catalyzed intensive research and development efforts, rendering the exploration of alternative materials and manufacturing processes a priority. The success of PSCs on SS substrates underscores their promise to achieve a balance between efficiency and versatility in BIPV solutions. Moreover, our findings reveal that controlling the substrate surface characteristics can significantly enhance the performance of PSCs, offering a pathway toward greater energy efficiency and sustainability in the construction industry.

Keywords: solar cell; perovskite; stainless steel; flexible; building-integrated photovoltaics (BIPV) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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