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N-, O-, and S-Tridoped Nanoporous Carbons as Selective Catalysts for Oxygen Reduction and Alcohol Oxidation Reactions
Abstract
Replacing rare and expensive metal catalysts with inexpensive and earth-abundant ones is currently among the major goals of sustainable chemistry. Herein we report the synthesis of N-, O-, and S-tridoped, polypyrrole-derived nanoporous carbons (NOSCs) that can serve as metal-free, selective electrocatalysts and catalysts for oxygen reduction reaction (ORR) and alcohol oxidation reaction (AOR), respectively. The NOSCs are synthesized via polymerization of pyrrole using (NH4)2S2O8 as oxidant and colloidal silica nanoparticles as templates, followed by carbonization of the resulting S-containing polypyrrole/silica composite materials and then removal of the silica templates. The NOSCs exhibit good catalytic activity toward ORR with low onset potential and low Tafel slope, along with different electron-transfer numbers, or in other words, different ratios H2O/H2O2 as products, depending on the relative amount of colloidal silica used as templates. The NOSCs also effectively catalyze AOR at relatively low temperature, giving good conversions and high selectivity.
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Cited by
Qu, K., Zheng, Y., Dai, S., & Qiao, S. Z. (2016) · Nano Energy · doi:10.1016/j.nanoen.2015.11.027 · Cited by 623
Huang, S., Meng, Y., He, S., Goswami, A., Wu, Q., Li, J., Tong, S., Asefa, T., & Wu, M. (2017) · Advanced Functional Materials · doi:10.1002/adfm.201606585 · Cited by 444
Self-citationPatel, M. A., Luo, F., Khoshi, M. R., Rabie, E., Zhang, Q., Flach, C. R., Mendelsohn, R., Garfunkel, E., Szostak, M., & He, H. (2016) · ACS Nano · doi:10.1021/acsnano.5b07054 · Cited by 359
Meng, T., Hao, Y.-N., Zheng, L., & Cao, M. (2018) · Nanoscale · doi:10.1039/c8nr03299h · Cited by 82
Metadata
- Authors
- Meng, Y., Voiry, D., Goswami, A., Zou, X., Huang, X., Chhowalla, M., Liu, Z., & Asefa, T.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-09-22
- Volume
- 136
- Issue
- 39
- Pages
- 13554-13557
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2321624528
- Cited by
- 337
- References
- 0
- FWCI
- 13.32
- Type
- journal article
- Language
- en
- Open access
- closed
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- Meng, Y., Voiry, D., Goswami, A., Zou, X., Huang, X., Chhowalla, M., Liu, Z., & Asefa, T. (2014). N-, O-, and S-Tridoped Nanoporous Carbons as Selective Catalysts for Oxygen Reduction and Alcohol Oxidation Reactions. Journal of the American Chemical Society. https://doi.org/10.1021/ja507463w
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