Solar hydrogen generation over CdS incorporated in Ti-MCM-48 mesoporous materials under visible light illumination

Rui Peng; Chia Ming Wu; Jonas Baltrusaitis; Nada M. Dimitrijevic; Tijana Rajh; Ranjit T. Koodali

doi:10.1016/j.ijhydene.2016.01.040

Solar hydrogen generation over CdS incorporated in Ti-MCM-48 mesoporous materials under visible light illumination

Rui Peng, Chia Ming Wu, Jonas Baltrusaitis, Nada M. Dimitrijevic, Tijana Rajh, Ranjit T. Koodali

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

8 Scopus citations

Abstract

MCM-48 cubic mesoporous materials containing CdS and spatially isolated titania nanoclusters were prepared in this study. Powder X-ray diffraction (XRD), nitrogen adsorption isotherm, transmission electron microscopy (TEM), atomic absorption spectrophotometry (AAS), UV-Visible diffuse reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), and electron paramagnetic resonance (EPR) studies were employed for the characterization of the CdS containing Ti-MCM-48 mesoporous materials. In the current study, all the samples showed photocatalytic activity under visible light (λ > 400 nm) irradiation for production of hydrogen from splitting of water without Pt as a co-catalyst. The solar hydrogen evolution rate by visible light irradiation seemed to be dependent on CdS and TiO₂ content and the most active photocatalyst produced hydrogen at a rate of 2.726 mmol/h/g_catalyst. The apparent quantum yield of the most active photocatalyst was estimated to be 36.3%.

Original language	English (US)
Pages (from-to)	4106-4119
Number of pages	14
Journal	International Journal of Hydrogen Energy
Volume	41
Issue number	7
DOIs	https://doi.org/10.1016/j.ijhydene.2016.01.040
State	Published - Feb 23 2016
Externally published	Yes

Keywords

CdS/TiO
Coupled semiconductor
Hydrogen evolution
MCM-48
Photocatalysis
Visible light

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Fuel Technology
Condensed Matter Physics
Energy Engineering and Power Technology

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10.1016/j.ijhydene.2016.01.040

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@article{16645a86ccdf449d8bbda392ee28b132,

title = "Solar hydrogen generation over CdS incorporated in Ti-MCM-48 mesoporous materials under visible light illumination",

abstract = "MCM-48 cubic mesoporous materials containing CdS and spatially isolated titania nanoclusters were prepared in this study. Powder X-ray diffraction (XRD), nitrogen adsorption isotherm, transmission electron microscopy (TEM), atomic absorption spectrophotometry (AAS), UV-Visible diffuse reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), and electron paramagnetic resonance (EPR) studies were employed for the characterization of the CdS containing Ti-MCM-48 mesoporous materials. In the current study, all the samples showed photocatalytic activity under visible light (λ > 400 nm) irradiation for production of hydrogen from splitting of water without Pt as a co-catalyst. The solar hydrogen evolution rate by visible light irradiation seemed to be dependent on CdS and TiO2 content and the most active photocatalyst produced hydrogen at a rate of 2.726 mmol/h/gcatalyst. The apparent quantum yield of the most active photocatalyst was estimated to be 36.3%.",

keywords = "CdS/TiO, Coupled semiconductor, Hydrogen evolution, MCM-48, Photocatalysis, Visible light",

author = "Rui Peng and Wu, {Chia Ming} and Jonas Baltrusaitis and Dimitrijevic, {Nada M.} and Tijana Rajh and Koodali, {Ranjit T.}",

note = "Publisher Copyright: Copyright {\textcopyright} 2016, Hydrogen Energy Publications, LLC.",

year = "2016",

month = feb,

day = "23",

doi = "10.1016/j.ijhydene.2016.01.040",

language = "English (US)",

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TY - JOUR

T1 - Solar hydrogen generation over CdS incorporated in Ti-MCM-48 mesoporous materials under visible light illumination

AU - Peng, Rui

AU - Wu, Chia Ming

AU - Baltrusaitis, Jonas

AU - Dimitrijevic, Nada M.

AU - Rajh, Tijana

AU - Koodali, Ranjit T.

PY - 2016/2/23

Y1 - 2016/2/23

N2 - MCM-48 cubic mesoporous materials containing CdS and spatially isolated titania nanoclusters were prepared in this study. Powder X-ray diffraction (XRD), nitrogen adsorption isotherm, transmission electron microscopy (TEM), atomic absorption spectrophotometry (AAS), UV-Visible diffuse reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), and electron paramagnetic resonance (EPR) studies were employed for the characterization of the CdS containing Ti-MCM-48 mesoporous materials. In the current study, all the samples showed photocatalytic activity under visible light (λ > 400 nm) irradiation for production of hydrogen from splitting of water without Pt as a co-catalyst. The solar hydrogen evolution rate by visible light irradiation seemed to be dependent on CdS and TiO2 content and the most active photocatalyst produced hydrogen at a rate of 2.726 mmol/h/gcatalyst. The apparent quantum yield of the most active photocatalyst was estimated to be 36.3%.

AB - MCM-48 cubic mesoporous materials containing CdS and spatially isolated titania nanoclusters were prepared in this study. Powder X-ray diffraction (XRD), nitrogen adsorption isotherm, transmission electron microscopy (TEM), atomic absorption spectrophotometry (AAS), UV-Visible diffuse reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), and electron paramagnetic resonance (EPR) studies were employed for the characterization of the CdS containing Ti-MCM-48 mesoporous materials. In the current study, all the samples showed photocatalytic activity under visible light (λ > 400 nm) irradiation for production of hydrogen from splitting of water without Pt as a co-catalyst. The solar hydrogen evolution rate by visible light irradiation seemed to be dependent on CdS and TiO2 content and the most active photocatalyst produced hydrogen at a rate of 2.726 mmol/h/gcatalyst. The apparent quantum yield of the most active photocatalyst was estimated to be 36.3%.

KW - CdS/TiO

KW - Coupled semiconductor

KW - Hydrogen evolution

KW - MCM-48

KW - Photocatalysis

KW - Visible light

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VL - 41

SP - 4106

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JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

IS - 7

ER -

Solar hydrogen generation over CdS incorporated in Ti-MCM-48 mesoporous materials under visible light illumination

Abstract

Keywords

ASJC Scopus subject areas

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