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Article Dans Une Revue ACS Energy Letters Année : 2024

Multifunctional semitransparent organic photovoltaics with high-throughput screened infrared reflector

Résumé

Multifunctional semitransparent organic photovoltaics (ST-OPVs) combining power generation, light transparency, and heat rejection have emerged as a promising technology for application in building-integrated photovoltaic systems, but maximizing all of these features simultaneously is challenging. Herein, we show that high-throughput optical screening is essential to guide the design of infrared reflectors and enhance their synergy with organic absorbers. Taking advantage of a volatile additive, 1,3,5-trichlorobenzene, to improve the crystallinity of the binary PM6:L8-BO active layer, we developed an optimized infrared reflector, consisting of a Na3AlF6 (160 nm)/ZnSe (190 nm) bilayer, which concomitantly increases all of the key parameters of the reflector-free device. High-performance multifunctional ST-OPVs with a power conversion efficiency of 15.19%, an average photopic transmittance of 30.57%, a color rendering index of 81.86, and an infrared rejecting rate over 90% are demonstrated, providing practical prospects for future sustainable building-integrated photovoltaic systems.
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Dates et versions

hal-04485009 , version 1 (14-03-2024)

Identifiants

Citer

Baozhong Deng, Kaiwen Zheng, Zihan Wang, Luqiao Yin, Hongliang Dong, et al.. Multifunctional semitransparent organic photovoltaics with high-throughput screened infrared reflector. ACS Energy Letters, 2024, 9 (3), pp.976-984. ⟨10.1021/acsenergylett.4c00149⟩. ⟨hal-04485009⟩
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