Arm length dependency of Pt-decorated CdSe tetrapods on the performance of photocatalytic hydrogen generation

Younghun Sung; Jaehoon Lim; Jai Hyun Koh; Byoung Koun Min; Jeffrey Pyun; Kookheon Char

doi:10.1007/s11814-016-0200-9

Arm length dependency of Pt-decorated CdSe tetrapods on the performance of photocatalytic hydrogen generation

Younghun Sung, Jaehoon Lim, Jai Hyun Koh, Byoung Koun Min, Jeffrey Pyun, Kookheon Char

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

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 ∼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.

Original language	English (US)
Pages (from-to)	2287-2290
Number of pages	4
Journal	Korean Journal of Chemical Engineering
Volume	33
Issue number	8
DOIs	https://doi.org/10.1007/s11814-016-0200-9
State	Published - Aug 1 2016
Externally published	Yes

Keywords

CdSe Tetrapod
Colloidal Heterostructured Nanocrystal
Photocatalytic Hydrogen Generation

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering

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10.1007/s11814-016-0200-9

Cite this

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title = "Arm length dependency of Pt-decorated CdSe tetrapods on the performance of photocatalytic hydrogen generation",

abstract = "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 ∼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.",

keywords = "CdSe Tetrapod, Colloidal Heterostructured Nanocrystal, Photocatalytic Hydrogen Generation",

author = "Younghun Sung and Jaehoon Lim and Koh, {Jai Hyun} and Min, {Byoung Koun} and Jeffrey Pyun and Kookheon Char",

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AU - Sung, Younghun

AU - Lim, Jaehoon

AU - Koh, Jai Hyun

AU - Min, Byoung Koun

AU - Pyun, Jeffrey

AU - Char, Kookheon

PY - 2016/8/1

Y1 - 2016/8/1

N2 - 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 ∼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.

AB - 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 ∼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.

KW - CdSe Tetrapod

KW - Colloidal Heterostructured Nanocrystal

KW - Photocatalytic Hydrogen Generation

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Arm length dependency of Pt-decorated CdSe tetrapods on the performance of photocatalytic hydrogen generation

Abstract

Keywords

ASJC Scopus subject areas

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