Nature Communications (Nov 2019)

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

  • Purushothaman Varadhan,
  • Hui-Chun Fu,
  • Yu-Cheng Kao,
  • Ray-Hua Horng,
  • Jr-Hau He

DOI
https://doi.org/10.1038/s41467-019-12977-x
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 9

Abstract

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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.