Trends in Activity and Dissolution on RuO2 under Oxygen Evolution Conditions: Particles versus Well-Defined Extended Surfaces
Claudie Roy
1
,
Reshma Rao
2
,
Jonathan Hwang
3
,
Jan Rossmeisl
4
,
Ib Chorkendorff
1
,
Yang Shao-Horn
2, 3
,
Ifan E. L. Stephens
1, 5
5
Department of Materials, Imperial CollEge London, London SW7 2AZ, United Kingdom
|
Publication type: Journal Article
Publication date: 2018-08-01
scimago Q1
wos Q1
SJR: 6.799
CiteScore: 29.6
Impact factor: 18.2
ISSN: 23808195
Materials Chemistry
Chemistry (miscellaneous)
Energy Engineering and Power Technology
Fuel Technology
Renewable Energy, Sustainability and the Environment
Abstract
Rutile RuO2 catalysts are the most active pure metal oxides for oxygen evolution; however, they are also unstable toward dissolution. Herein, we study the catalytic activity and stability of oriented thin films of RuO2 with (111), (101), and (001) orientations, in comparison to a (110) single crystal and commercial nanoparticles. These surfaces were all tested in aqueous solutions of 0.05 M H2SO4. The initial catalyst activity ranked as follows: (001) > (101) > (111) ≈ (110). We complemented our activity data with inductively coupled plasma mass spectroscopy, to measure Ru dissolution products occurring in parallel to oxygen evolution. In contrast to earlier reports, we find that, under our experimental conditions, there is no correlation between the activity and stability.
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Roy C. et al. Trends in Activity and Dissolution on RuO2 under Oxygen Evolution Conditions: Particles versus Well-Defined Extended Surfaces // ACS Energy Letters. 2018. Vol. 3. No. 9. pp. 2045-2051.
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Roy C., Rao R., Stoerzinger K. A., Hwang J., Rossmeisl J., Chorkendorff I., Shao-Horn Y., Stephens I. E. L. Trends in Activity and Dissolution on RuO2 under Oxygen Evolution Conditions: Particles versus Well-Defined Extended Surfaces // ACS Energy Letters. 2018. Vol. 3. No. 9. pp. 2045-2051.
Cite this
RIS
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TY - JOUR
DO - 10.1021/acsenergylett.8b01178
UR - https://doi.org/10.1021/acsenergylett.8b01178
TI - Trends in Activity and Dissolution on RuO2 under Oxygen Evolution Conditions: Particles versus Well-Defined Extended Surfaces
T2 - ACS Energy Letters
AU - Roy, Claudie
AU - Rao, Reshma
AU - Stoerzinger, Kelsey A.
AU - Hwang, Jonathan
AU - Rossmeisl, Jan
AU - Chorkendorff, Ib
AU - Shao-Horn, Yang
AU - Stephens, Ifan E. L.
PY - 2018
DA - 2018/08/01
PB - American Chemical Society (ACS)
SP - 2045-2051
IS - 9
VL - 3
SN - 2380-8195
ER -
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@article{2018_Roy,
author = {Claudie Roy and Reshma Rao and Kelsey A. Stoerzinger and Jonathan Hwang and Jan Rossmeisl and Ib Chorkendorff and Yang Shao-Horn and Ifan E. L. Stephens},
title = {Trends in Activity and Dissolution on RuO2 under Oxygen Evolution Conditions: Particles versus Well-Defined Extended Surfaces},
journal = {ACS Energy Letters},
year = {2018},
volume = {3},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/acsenergylett.8b01178},
number = {9},
pages = {2045--2051},
doi = {10.1021/acsenergylett.8b01178}
}
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Roy, Claudie, et al. “Trends in Activity and Dissolution on RuO2 under Oxygen Evolution Conditions: Particles versus Well-Defined Extended Surfaces.” ACS Energy Letters, vol. 3, no. 9, Aug. 2018, pp. 2045-2051. https://doi.org/10.1021/acsenergylett.8b01178.