Advanced Materials, volume 34, issue 19, pages 2109426

Structure‐Tailored Surface Oxide on Cu–Ga Intermetallics Enhances CO ₂ Reduction Selectivity to Methanol at Ultralow Potential

Debabrata Bagchi ^{1, 2}

Jithu Raj ^{1, 2}

Ashutosh Kumar Singh ^{2, 3}

Arjun Cherevotan ^{1, 2}

Soumyabrata Roy ^{1, 2}

Kaja Sai Manoj ^{1, 2}

C.P Vinod ⁴

Sebastian Peter ^{1, 2}

Hide authors affiliations Show authors affiliations: 4 affiliations

New Chemistry Unit Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Bangalore 560064 India |

School of Advanced Materials Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Bangalore 560064 India |

Chemistry and Physics of Materials Unit Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Bangalore 560064 India |

⁴

Catalysis and Inorganic Chemistry Division CSIR‐National Chemical Laboratory Dr. Homi Bhabha Road Pune 411008 India |

Publication type: Journal Article

Publication date: 2022-04-07

Wiley

Journal: Advanced Materials

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Quartile WOS

Impact factor: 29.4

ISSN: 09359648, 15214095

DOI: 10.1002/adma.202109426

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General Materials Science

Mechanical Engineering

Mechanics of Materials

Abstract

Electrochemical CO2 reduction reaction (eCO2 RR) is performed on two intermetallic compounds formed by copper and gallium metals (CuGa2 and Cu9 Ga4 ). Among them, CuGa2 selectively converts CO2 to methanol with remarkable Faradaic efficiency of 77.26% at an extremely low potential of -0.3 V vs RHE. The high performance of CuGa2 compared to Cu9 Ga4 is driven by its unique 2D structure, which retains surface and subsurface oxide species (Ga2 O3 ) even in the reduction atmosphere. The Ga2 O3 species is mapped by X-ray photoelectron spectroscopy (XPS) and X-ray absorption fine structure (XAFS) techniques and electrochemical measurements. The eCO2 RR selectivity to methanol are decreased at higher potential due to the lattice expansion caused by the reduction of the Ga2 O3 , which is probed by in situ XAFS, quasi in situ powder X-ray diffraction, and ex situ XPS measurements. The mechanism of the formation of methanol is visualized by in situ infrared (IR) spectroscopy and the source of the carbon of methanol at the molecular level is confirmed from the isotope-labeling experiments in presence of 13 CO2 . Finally, to minimize the mass transport limitations and improve the overall eCO2 RR performance, a poly(tetrafluoroethylene)-based gas diffusion electrode is used in the flow cell configuration.

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	1 2 3 4 5 6
Journal of the American Chemical Society	Journal of the American Chemical Society, 6, 7.5% Journal of the American Chemical Society 6 publications, 7.5%
Advanced Materials	Advanced Materials, 4, 5% Advanced Materials 4 publications, 5%
Advanced Functional Materials	Advanced Functional Materials, 3, 3.75% Advanced Functional Materials 3 publications, 3.75%
Advanced Energy Materials	Advanced Energy Materials, 3, 3.75% Advanced Energy Materials 3 publications, 3.75%
Materials Reports Energy	Materials Reports Energy, 2, 2.5% Materials Reports Energy 2 publications, 2.5%
Chinese Journal of Catalysis	Chinese Journal of Catalysis, 2, 2.5% Chinese Journal of Catalysis 2 publications, 2.5%
ACS Catalysis	ACS Catalysis, 2, 2.5% ACS Catalysis 2 publications, 2.5%
ACS Nano	ACS Nano, 2, 2.5% ACS Nano 2 publications, 2.5%
Chemical Communications	Chemical Communications, 2, 2.5% Chemical Communications 2 publications, 2.5%
ACS applied materials & interfaces	ACS applied materials & interfaces, 2, 2.5% ACS applied materials & interfaces 2 publications, 2.5%
Chemistry of Materials	Chemistry of Materials, 2, 2.5% Chemistry of Materials 2 publications, 2.5%
Current Opinion in Electrochemistry	Current Opinion in Electrochemistry, 1, 1.25% Current Opinion in Electrochemistry 1 publication, 1.25%
Progress in Energy	Progress in Energy, 1, 1.25% Progress in Energy 1 publication, 1.25%
Journal of CO2 Utilization	Journal of CO2 Utilization, 1, 1.25% Journal of CO2 Utilization 1 publication, 1.25%
Chinese Chemical Letters	Chinese Chemical Letters, 1, 1.25% Chinese Chemical Letters 1 publication, 1.25%
Chemistry - A European Journal	Chemistry - A European Journal, 1, 1.25% Chemistry - A European Journal 1 publication, 1.25%
Nano Research	Nano Research, 1, 1.25% Nano Research 1 publication, 1.25%
Nanoscale	Nanoscale, 1, 1.25% Nanoscale 1 publication, 1.25%
Journal of Alloys and Compounds	Journal of Alloys and Compounds, 1, 1.25% Journal of Alloys and Compounds 1 publication, 1.25%
Journal of Environmental Management	Journal of Environmental Management, 1, 1.25% Journal of Environmental Management 1 publication, 1.25%
Catalysts	Catalysts, 1, 1.25% Catalysts 1 publication, 1.25%
Journal of Industrial and Engineering Chemistry	Journal of Industrial and Engineering Chemistry, 1, 1.25% Journal of Industrial and Engineering Chemistry 1 publication, 1.25%
ACS Applied Energy Materials	ACS Applied Energy Materials, 1, 1.25% ACS Applied Energy Materials 1 publication, 1.25%
Sustainable Materials and Technologies	Sustainable Materials and Technologies, 1, 1.25% Sustainable Materials and Technologies 1 publication, 1.25%
Materials Chemistry Frontiers	Materials Chemistry Frontiers, 1, 1.25% Materials Chemistry Frontiers 1 publication, 1.25%
Journal of Physical Chemistry C	Journal of Physical Chemistry C, 1, 1.25% Journal of Physical Chemistry C 1 publication, 1.25%
EES Catalysis	EES Catalysis, 1, 1.25% EES Catalysis 1 publication, 1.25%
Angewandte Chemie - International Edition	Angewandte Chemie - International Edition, 1, 1.25% Angewandte Chemie - International Edition 1 publication, 1.25%
Angewandte Chemie	Angewandte Chemie, 1, 1.25% Angewandte Chemie 1 publication, 1.25%
Energies	Energies, 1, 1.25% Energies 1 publication, 1.25%
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Citations by publishers

	5 10 15 20 25
Elsevier	Elsevier, 24, 30% Elsevier 24 publications, 30%
American Chemical Society (ACS)	American Chemical Society (ACS), 19, 23.75% American Chemical Society (ACS) 19 publications, 23.75%
Wiley	Wiley, 17, 21.25% Wiley 17 publications, 21.25%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 8, 10% Royal Society of Chemistry (RSC) 8 publications, 10%
Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 4, 5% Multidisciplinary Digital Publishing Institute (MDPI) 4 publications, 5%
Springer Nature	Springer Nature, 2, 2.5% Springer Nature 2 publications, 2.5%
IOP Publishing	IOP Publishing, 1, 1.25% IOP Publishing 1 publication, 1.25%
Korean Society of Industrial Engineering Chemistry	Korean Society of Industrial Engineering Chemistry, 1, 1.25% Korean Society of Industrial Engineering Chemistry 1 publication, 1.25%
Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii	Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii, 1, 1.25% Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii 1 publication, 1.25%
The Electrochemical Society	The Electrochemical Society, 1, 1.25% The Electrochemical Society 1 publication, 1.25%
OAE Publishing Inc.	OAE Publishing Inc., 1, 1.25% OAE Publishing Inc. 1 publication, 1.25%
Taylor & Francis	Taylor & Francis, 1, 1.25% Taylor & Francis 1 publication, 1.25%
	5 10 15 20 25

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Bagchi D. et al. Structure‐Tailored Surface Oxide on Cu–Ga Intermetallics Enhances CO 2 Reduction Selectivity to Methanol at Ultralow Potential // Advanced Materials. 2022. Vol. 34. No. 19. p. 2109426.

GOST all authors (up to 50) Copy

Bagchi D., Raj J., Singh A. K., Cherevotan A., Roy S., Manoj K. S., Vinod C., Peter S. Structure‐Tailored Surface Oxide on Cu–Ga Intermetallics Enhances CO 2 Reduction Selectivity to Methanol at Ultralow Potential // Advanced Materials. 2022. Vol. 34. No. 19. p. 2109426.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1002/adma.202109426

UR - https://doi.org/10.1002/adma.202109426

TI - Structure‐Tailored Surface Oxide on Cu–Ga Intermetallics Enhances CO 2 Reduction Selectivity to Methanol at Ultralow Potential

T2 - Advanced Materials

AU - Raj, Jithu

AU - Manoj, Kaja Sai

AU - Bagchi, Debabrata

AU - Singh, Ashutosh Kumar

AU - Cherevotan, Arjun

AU - Roy, Soumyabrata

AU - Vinod, C.P

AU - Peter, Sebastian

PY - 2022

DA - 2022/04/07 00:00:00

PB - Wiley

SP - 2109426

IS - 19

VL - 34

SN - 0935-9648

SN - 1521-4095

ER -

BibTex |

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BibTex Copy

@article{2022_Bagchi,

author = {Jithu Raj and Kaja Sai Manoj and Debabrata Bagchi and Ashutosh Kumar Singh and Arjun Cherevotan and Soumyabrata Roy and C.P Vinod and Sebastian Peter},

title = {Structure‐Tailored Surface Oxide on Cu–Ga Intermetallics Enhances CO 2 Reduction Selectivity to Methanol at Ultralow Potential},

journal = {Advanced Materials},

year = {2022},

volume = {34},

publisher = {Wiley},

month = {apr},

url = {https://doi.org/10.1002/adma.202109426},

number = {19},

pages = {2109426},

doi = {10.1002/adma.202109426}

}

MLA

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Bagchi, Debabrata, et al. “Structure‐Tailored Surface Oxide on Cu–Ga Intermetallics Enhances CO 2 Reduction Selectivity to Methanol at Ultralow Potential.” Advanced Materials, vol. 34, no. 19, Apr. 2022, p. 2109426. https://doi.org/10.1002/adma.202109426.

Found error?

Publisher

Wiley

Journal

Advanced Materials

Quartile SCImago

Quartile WOS

Impact factor

29.4

ISSN

09359648 (Print)
15214095 (Electronic)