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A multi-stacked hyperporous silicon flake for highly active solar hydrogen production
Youn Jeong Jang1, Jaegeon Ryu2, Dongki Hong2
1Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 790-784, South Korea.
Chemical Communications (Cambridge, England)
|July 8, 2016
Abstract:
3D multi-stacked hyperporous silicon flakes (MHSFs) are prepared via a selective chemical reduction of natural clay minerals bearing MgO negative catalyst layers. The resultant MHSFs are used as a photocatalyst for solar-driven hydrogen evolution and exhibit the highest photocatalytic acitivty (1031 μmol H2 h(-1) g(-1) Si) coupled with a Pt cocatalyst.
