Photonic efficiency and mechanism of photocatalytic molecular hydrogen production over platinized titanium dioxide from aqueous methanol solutions

Tarek A. Kandiel; Ralf Dillert; Lars Robben; Detlef W. Bahnemann

doi:10.1016/j.cattod.2010.08.012

Photonic efficiency and mechanism of photocatalytic molecular hydrogen production over platinized titanium dioxide from aqueous methanol solutions

Tarek A. Kandiel
, Ralf Dillert
, Lars Robben
, Detlef W. Bahnemann

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

129 Scopus citations

Abstract

The photocatalytic molecular hydrogen (H₂) production from aqueous methanol solutions over Pt-loaded commercial (Evonik Aeroxide TiO ₂ P25 and Sachtleben Hombikat UV100) and home made (TiO₂ P25HT) titanium dioxide photocatalysts has been studied. The photonic efficiencies were calculated by dividing the H₂ production rate by the photon flux. The effect of the employed light intensity on the H₂ production rate was investigated. The products of the photocatalytic methanol oxidation were quantitatively analyzed employing different test conditions, i.e., different illumination times, pH values, and methanol concentrations. The balance between the amount of evolved H₂ and the amount of photocatalytic methanol oxidation products was checked. Based on the obtained results, the difference in the photocatalytic activities between the investigated photocatalysts, the effect of the employed light intensities, and the description of the photocatalytic H₂ production from aqueous methanol solutions is discussed.

Original language	English
Pages (from-to)	196-201
Number of pages	6
Journal	Catalysis Today
Volume	161
Issue number	1
DOIs	https://doi.org/10.1016/j.cattod.2010.08.012
State	Published - 17 Mar 2011
Externally published	Yes

Bibliographical note

Funding Information:
T.A.K. thanks the Egyptian Ministry of Higher Education for granting him a doctoral scholarship.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Methanol
Photocatalytic H production
Sacrificial system
Titanium dioxide
Water splitting

ASJC Scopus subject areas

Catalysis
General Chemistry

Access to Document

10.1016/j.cattod.2010.08.012

Cite this

@article{b647e55048564b5f960326d5c853b436,

title = "Photonic efficiency and mechanism of photocatalytic molecular hydrogen production over platinized titanium dioxide from aqueous methanol solutions",

abstract = "The photocatalytic molecular hydrogen (H2) production from aqueous methanol solutions over Pt-loaded commercial (Evonik Aeroxide TiO 2 P25 and Sachtleben Hombikat UV100) and home made (TiO2 P25HT) titanium dioxide photocatalysts has been studied. The photonic efficiencies were calculated by dividing the H2 production rate by the photon flux. The effect of the employed light intensity on the H2 production rate was investigated. The products of the photocatalytic methanol oxidation were quantitatively analyzed employing different test conditions, i.e., different illumination times, pH values, and methanol concentrations. The balance between the amount of evolved H2 and the amount of photocatalytic methanol oxidation products was checked. Based on the obtained results, the difference in the photocatalytic activities between the investigated photocatalysts, the effect of the employed light intensities, and the description of the photocatalytic H2 production from aqueous methanol solutions is discussed.",

keywords = "Methanol, Photocatalytic H production, Sacrificial system, Titanium dioxide, Water splitting",

author = "Kandiel, \{Tarek A.\} and Ralf Dillert and Lars Robben and Bahnemann, \{Detlef W.\}",

note = "Funding Information: T.A.K. thanks the Egyptian Ministry of Higher Education for granting him a doctoral scholarship. ",

year = "2011",

month = mar,

day = "17",

doi = "10.1016/j.cattod.2010.08.012",

language = "English",

volume = "161",

pages = "196--201",

journal = "Catalysis Today",

issn = "0920-5861",

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number = "1",

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T1 - Photonic efficiency and mechanism of photocatalytic molecular hydrogen production over platinized titanium dioxide from aqueous methanol solutions

AU - Kandiel, Tarek A.

AU - Dillert, Ralf

AU - Robben, Lars

AU - Bahnemann, Detlef W.

N1 - Funding Information: T.A.K. thanks the Egyptian Ministry of Higher Education for granting him a doctoral scholarship.

PY - 2011/3/17

Y1 - 2011/3/17

N2 - The photocatalytic molecular hydrogen (H2) production from aqueous methanol solutions over Pt-loaded commercial (Evonik Aeroxide TiO 2 P25 and Sachtleben Hombikat UV100) and home made (TiO2 P25HT) titanium dioxide photocatalysts has been studied. The photonic efficiencies were calculated by dividing the H2 production rate by the photon flux. The effect of the employed light intensity on the H2 production rate was investigated. The products of the photocatalytic methanol oxidation were quantitatively analyzed employing different test conditions, i.e., different illumination times, pH values, and methanol concentrations. The balance between the amount of evolved H2 and the amount of photocatalytic methanol oxidation products was checked. Based on the obtained results, the difference in the photocatalytic activities between the investigated photocatalysts, the effect of the employed light intensities, and the description of the photocatalytic H2 production from aqueous methanol solutions is discussed.

AB - The photocatalytic molecular hydrogen (H2) production from aqueous methanol solutions over Pt-loaded commercial (Evonik Aeroxide TiO 2 P25 and Sachtleben Hombikat UV100) and home made (TiO2 P25HT) titanium dioxide photocatalysts has been studied. The photonic efficiencies were calculated by dividing the H2 production rate by the photon flux. The effect of the employed light intensity on the H2 production rate was investigated. The products of the photocatalytic methanol oxidation were quantitatively analyzed employing different test conditions, i.e., different illumination times, pH values, and methanol concentrations. The balance between the amount of evolved H2 and the amount of photocatalytic methanol oxidation products was checked. Based on the obtained results, the difference in the photocatalytic activities between the investigated photocatalysts, the effect of the employed light intensities, and the description of the photocatalytic H2 production from aqueous methanol solutions is discussed.

KW - Methanol

KW - Photocatalytic H production

KW - Sacrificial system

KW - Titanium dioxide

KW - Water splitting

UR - https://www.scopus.com/pages/publications/79952184694

U2 - 10.1016/j.cattod.2010.08.012

DO - 10.1016/j.cattod.2010.08.012

M3 - Article

AN - SCOPUS:79952184694

SN - 0920-5861

VL - 161

SP - 196

EP - 201

JO - Catalysis Today

JF - Catalysis Today

IS - 1

ER -

Photonic efficiency and mechanism of photocatalytic molecular hydrogen production over platinized titanium dioxide from aqueous methanol solutions

Abstract

Bibliographical note

UN SDGs

Keywords

ASJC Scopus subject areas

Access to Document

Fingerprint

Cite this