The DOI matches its Crossref record; 61 of the 61 references it cites were found in a registry or an index.
Well-Dispersed Ruthenium in Mesoporous Crystal TiO2 as an Advanced Electrocatalyst for Hydrogen Evolution Reaction
Abstract
TiO 2 mesoporous crystal has been prepared by one-step corroding process via an oriented attachment (OA) mechanism with SrTiO 3 as precursor. High resolution transmission electron microscopy (HRTEM) and nitrogen adsorption–desorption isotherms confirm its mesoporous crystal structure. Well-dispersed ruthenium (Ru) in the mesoporous nanocrystal TiO 2 can be attained by the same process using Ru-doped precursor SrTi 1– x Ru x O 3 . Ru is doped into lattice of TiO 2, which is identified by HRTEM and super energy dispersive spectrometer (super-EDS) elemental mapping. X-ray photoelectron spectroscopy (XPS) and electron paramagnetic resonance spectroscopy (EPR) suggest the pentavalent Ru but not tetravalent, while partial Ti in TiO 2 accept an electron from Ru and become Ti 3+, which is observed for the first time. This Ru-doped TiO 2 performs high activity for electrocatalytic hydrogen evolution reaction (HER) in alkaline solution. First-principles calculations simulate the HER process and prove TiO 2:Ru with Ru 5+ and Ti 3+ holds high HER activity with appropriate hydrogen-adsorption Gibbs free energies (Δ G H ).
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Oxygen vacancies in metal oxides: recent progress towards advanced catalyst design
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Metadata
- Authors
- Nong, S., Dong, W., Yin, J., Dong, B., Lu, Y., Yuan, X., Wang, X., Bu, K., Chen, M., Jiang, S., Liu, L.-M., Sui, M., & Huang, F.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-04-12
- Volume
- 140
- Issue
- 17
- Pages
- 5719-5727
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2798088295
- Cited by
- 312
- References
- 61
- FWCI
- 7.69
- Type
- journal article
- Language
- en
- Open access
- closed
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- Nong, S., Dong, W., Yin, J., Dong, B., Lu, Y., Yuan, X., Wang, X., Bu, K., Chen, M., Jiang, S., Liu, L.-M., Sui, M., & Huang, F. (2018). Well-Dispersed Ruthenium in Mesoporous Crystal TiO2 as an Advanced Electrocatalyst for Hydrogen Evolution Reaction. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.7b13736
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