A facet-controlled RhPbS nanocage as an efficient and robust electrocatalyst toward the hydrogen evolution reaction.

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Nanoscale, ISSN: 2040-3372, Vol: 10, Issue: 21, Page: 9845-9850

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Kim, Taekyung; Park, Jongsik; Jin, Haneul; Oh, Aram; Baik, Hionsuck; Joo, Sang Hoon; Lee, Kwangyeol
Royal Society of Chemistry (RSC); The Royal Society of Chemistry
Materials Science
article description
Highly active and durable electrocatalysts for the hydrogen evolution reaction (HER) may play a pivotal role in commercial success of electrolytic water splitting technology. Among various material classes, binary metal sulphides show a great promise as HER catalysts because of their tunable energy levels conducive to a high catalytic activity and high robustness under harsh operating conditions. On the other hand, facet-controlled nanoparticles with controlled surface energies have gained great recent popularity as active and selective catalysts. However, binary metal sulphide nanoparticles with well-defined facets and high surface areas are very rare. Herein we report the synthesis of a facet-controlled hollow Rh3Pb2S2 nanocage as a new catalytic material and its excellent activity (overpotential: 87.3 mV at 10 mA cm-2) and robustness toward HER under harsh acidic conditions.