Improved photoelectrochemical water oxidation under visible light with mesoporous CoWO4

M. I. Ahmed; A. Adam; A. Khan; A. U. Rehman; M. Qamaruddin; M. N. Siddiqui; M. Qamar

doi:10.1016/j.matlet.2016.07.137

Improved photoelectrochemical water oxidation under visible light with mesoporous CoWO₄

M. I. Ahmed
, A. Adam
, A. Khan
, A. U. Rehman
, M. Qamaruddin
, M. N. Siddiqui
, M. Qamar^*

^*Corresponding author for this work

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

29 Scopus citations

Abstract

Herein, a hydrothermal synthesis of nanocrystalline cobalt tungstate (m-CoWO₄) with mesoporous texture in the presence of amphiphilic organosilane surfactant is described. As-prepared nanocrystals are spherical in shape with size between 8 and 10 nm consisting of monoclinic (wolframite structure) phase. In addition, these nanocrystals are endowed with high surface area (50 m² g⁻¹), textured mesoporous surface and absorption threshold into visible region. Furthermore, these textured and fine nanocrystals exhibit improved photoelectrochemical activity (PEC), as compared to non-mesoporous CoWO₄, under visible light (λ>420 nm) for water oxidation in a photoelectrochemical cell.

Original language	English
Pages (from-to)	281-284
Number of pages	4
Journal	Materials Letters
Volume	183
DOIs	https://doi.org/10.1016/j.matlet.2016.07.137
State	Published - 15 Nov 2016

Bibliographical note

Publisher Copyright:
© 2016

UN SDGs

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

SDG 7 Affordable and Clean Energy

Keywords

CoWO
Hydrothermal
Mesoporous
Photoelectrochemical oxidation

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Access to Document

10.1016/j.matlet.2016.07.137

Cite this

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title = "Improved photoelectrochemical water oxidation under visible light with mesoporous CoWO4",

abstract = "Herein, a hydrothermal synthesis of nanocrystalline cobalt tungstate (m-CoWO4) with mesoporous texture in the presence of amphiphilic organosilane surfactant is described. As-prepared nanocrystals are spherical in shape with size between 8 and 10 nm consisting of monoclinic (wolframite structure) phase. In addition, these nanocrystals are endowed with high surface area (50 m2 g−1), textured mesoporous surface and absorption threshold into visible region. Furthermore, these textured and fine nanocrystals exhibit improved photoelectrochemical activity (PEC), as compared to non-mesoporous CoWO4, under visible light (λ>420 nm) for water oxidation in a photoelectrochemical cell.",

keywords = "CoWO, Hydrothermal, Mesoporous, Photoelectrochemical oxidation",

author = "Ahmed, \{M. I.\} and A. Adam and A. Khan and Rehman, \{A. U.\} and M. Qamaruddin and Siddiqui, \{M. N.\} and M. Qamar",

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year = "2016",

month = nov,

day = "15",

doi = "10.1016/j.matlet.2016.07.137",

language = "English",

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TY - JOUR

T1 - Improved photoelectrochemical water oxidation under visible light with mesoporous CoWO4

AU - Ahmed, M. I.

AU - Adam, A.

AU - Khan, A.

AU - Rehman, A. U.

AU - Qamaruddin, M.

AU - Siddiqui, M. N.

AU - Qamar, M.

PY - 2016/11/15

Y1 - 2016/11/15

N2 - Herein, a hydrothermal synthesis of nanocrystalline cobalt tungstate (m-CoWO4) with mesoporous texture in the presence of amphiphilic organosilane surfactant is described. As-prepared nanocrystals are spherical in shape with size between 8 and 10 nm consisting of monoclinic (wolframite structure) phase. In addition, these nanocrystals are endowed with high surface area (50 m2 g−1), textured mesoporous surface and absorption threshold into visible region. Furthermore, these textured and fine nanocrystals exhibit improved photoelectrochemical activity (PEC), as compared to non-mesoporous CoWO4, under visible light (λ>420 nm) for water oxidation in a photoelectrochemical cell.

AB - Herein, a hydrothermal synthesis of nanocrystalline cobalt tungstate (m-CoWO4) with mesoporous texture in the presence of amphiphilic organosilane surfactant is described. As-prepared nanocrystals are spherical in shape with size between 8 and 10 nm consisting of monoclinic (wolframite structure) phase. In addition, these nanocrystals are endowed with high surface area (50 m2 g−1), textured mesoporous surface and absorption threshold into visible region. Furthermore, these textured and fine nanocrystals exhibit improved photoelectrochemical activity (PEC), as compared to non-mesoporous CoWO4, under visible light (λ>420 nm) for water oxidation in a photoelectrochemical cell.

KW - CoWO

KW - Hydrothermal

KW - Mesoporous

KW - Photoelectrochemical oxidation

UR - https://www.scopus.com/pages/publications/84979953877

U2 - 10.1016/j.matlet.2016.07.137

DO - 10.1016/j.matlet.2016.07.137

M3 - Article

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SN - 0167-577X

VL - 183

SP - 281

EP - 284

JO - Materials Letters

JF - Materials Letters

ER -