An efficient and stable photoelectrochemical system with 9% solar-to-hydrogen conversion efficiency via InGaP/GaAs double junction

Photoelectrochemical water-splitting devices with III-V semiconductors are efficient for solar-to-hydrogen conversion, but high costs and poor stability limit applications. Here, authors decouple light harvesting from electrolysis to enhance stability without compromising the efficiency.

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Auteurs principaux: Purushothaman Varadhan, Hui-Chun Fu, Yu-Cheng Kao, Ray-Hua Horng, Jr-Hau He
Format: article
Langue:EN
Publié: Nature Portfolio 2019
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Accès en ligne:https://doaj.org/article/40bebf447de54d6cb9f591b2b9fa033f
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Résumé:Photoelectrochemical water-splitting devices with III-V semiconductors are efficient for solar-to-hydrogen conversion, but high costs and poor stability limit applications. Here, authors decouple light harvesting from electrolysis to enhance stability without compromising the efficiency.