Arm Length Dependency of Pt-Decorated CdSe Tetrapods on the Performance of Photocatalytic Hydrogen Generation
- Arm Length Dependency of Pt-Decorated CdSe Tetrapods on the Performance of Photocatalytic Hydrogen Generation
- 민병권; 고재현; 성영훈; 임재훈; Jeffrey Pyun; 차국헌
- Issue Date
- The Korean journal of chemical engineering
- VOL 33, NO 8-2290
- Pt-decorated CdSe tetrapods with different arm lengths were tested for the photocatalytic hydrogen generation reaction. Well-defined CdSe tetrapods with controlled wurtzite arm lengths were synthesized by the continuous precursor injection (CPI) approach. Pt nanocrystals with an extremely small size of similar to 1 nm were directly decorated on the overall surfaces of CdSe tetrapods. Ligand-exchanged Pt-decorated CdSe tetrapods with different arm lengths were employed as photocatalysts for photocatalytic hydrogen generation reaction in the presence of hole scavengers. Pt-decorated CdSe tetrapods with shorter arm length showed the highest photocatalytic efficiency, which is due to higher probability of charge separation
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