Enhanced Photoelectrochemical Solar Water Splitting Using a Platinum-Decorated CIGS/CdS/ZnO Photocathode

ACS Applied Materials & Interfaces
Mukund G MaliSam S Yoon

Abstract

A Cu(InGa)Se2 film was modified with CdS/ZnO for application to solar water splitting. Platinum was electrodeposited on the ZnO layer as a hydrogen evolution catalyst. The effects of the electroplating time and acidity level of the electrolyte on the photocurrent density were studied. The highest photocurrent density of -32.5 mA/cm(2) under 1.5 AM illumination was achieved with an electroplating time of 30 min at a pH of 9. This photocurrent density is higher than those reported in previous studies. The markedly high performance of the CIGS/CdS/ZnO photocathode was rationalized in terms of its type II cascade structure that facilitated efficient charge separation at the interface junction.

References

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Aug 16, 2013·ACS Applied Materials & Interfaces·Lorenzo RovelliKevin Sivula
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Mar 10, 2015·Langmuir : the ACS Journal of Surfaces and Colloids·Hyun YoonSam S Yoon

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Citations

Jan 15, 2016·Physical Chemistry Chemical Physics : PCCP·Prashant K SarswatMano Misra
Apr 9, 2016·Physical Chemistry Chemical Physics : PCCP·Zonghu HanShaohua Shen
Jan 23, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Cunfa SunCarlo Nervi
Apr 11, 2017·Chemical Reviews·Claudia CoughlanKevin M Ryan
Mar 30, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Malik Dilshad KhanNeerish Revaprasadu
Jan 23, 2019·Chemical Society Reviews·Yumin HeDunwei Wang
May 26, 2018·Chemical Society Reviews·Oleksandr StroyukNikolai Gaponik
Oct 4, 2017·The Journal of Physical Chemistry Letters·Jinzhan SuLionel Vayssieres
Aug 20, 2021·ChemSusChem·Arthur Corrado SalomaoMarcos Antonio Santana Andrade Junior

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