The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Mesoporous IrO2 Films Templated by PEO-PB-PEO Block-Copolymers: Self-Assembly, Crystallization Behavior, and Electrocatalytic Performance
Abstract
Synthesis of mesoporous iridium oxide films via soft templating and evaporation-induced self-assembly is demonstrated employing an amphiphilic triblock-copolymer PEO-PB-PEO. Films possess nanocrystalline walls and feature locally ordered pores of about 16 nm diameter. Analysis of the film properties by SEM, TEM, EDX, XPS, SAXS, XRD, and BET along the thermal treatment that succeeds dipcoating shows that the polymer template is removed by calcination between 200 and 300 °C, accompanied by uniaxial shrinkage of film and pore system perpendicular to the substrate. Treating the film in excess of 450 °C leads to further growth of crystallite size and loss of surface area progressing gradually with increasing calcination temperature. Templated IrO 2 films conditioned at 450 °C show substantially reduced electrocatalytic overpotentials (efficiency increases) for the oxygen evolution reaction (OER) compared to those of untemplated coatings. Pore templating thus enables direct control over surface catalytic properties of iridium oxide.
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Cites
The Mechanism of Water Oxidation: From Electrolysis via Homogeneous to Biological Catalysis
Dau, H., Limberg, C., Reier, T., Risch, M., Roggan, S., & Strasser, P. (2010) · ChemCatChem · doi:10.1002/cctc.201000126 · Cited by 1,783
Self-citationMailley, S. C., Hyland, M., Mailley, P., McLaughlin, J. M., & McAdams, E. T. (2002) · Materials Science and Engineering: C · doi:10.1016/s0928-4931(02)00098-x · Cited by 84
Cited by
Reier, T., Nong, H. N., Teschner, D., Schlögl, R., & Strasser, P. (2017) · Advanced Energy Materials · doi:10.1002/aenm.201601275 · Cited by 1,253
Self-citationAntolini, E. (2014) · ACS Catalysis · doi:10.1021/cs4011875 · Cited by 587
Li, C., Li, Q., Kaneti, Y. V., Hou, D., Yamauchi, Y., & Mai, Y. (2020) · Chemical Society Reviews · doi:10.1039/d0cs00021c · Cited by 513
Large-pore ordered mesoporous materials templated from non-pluronic amphiphilic block copolymers
Deng, Y., Wei, J., Sun, Z., & Zhao, D. (2013) · Chem. Soc. Rev. · doi:10.1039/c2cs35426h · Cited by 447
Wang, Y., Xie, C., Liu, D., Huang, X., Huo, J., & Wang, S. (2016) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.6b05811 · Cited by 315
Metadata
- Authors
- Ortel, E., Reier, T., Strasser, P., & Kraehnert, R.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-06-06
- Volume
- 23
- Issue
- 13
- Pages
- 3201-3209
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2319498202
- Cited by
- 171
- References
- 2
- FWCI
- 5.25
- Type
- journal article
- Language
- en
- Open access
- closed
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