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Rational Design of Bi Nanoparticles for Efficient Electrochemical CO2 Reduction: The Elucidation of Size and Surface Condition Effects
Open accessAbstract
We report an efficient electrochemical conversion of CO 2 to CO on surface-activated bismuth nanoparticles (NPs) in acetonitrile (MeCN) under ambient conditions, with the assistance of 1-butyl-3-methylimidazolium trifluoromethanesulfonate ([bmim][OTf]). Through the comparison between electrodeposited Bi films (Bi-ED) and different types of Bi NPs, we, for the first time, demonstrate the effects of catalyst’s size and surface condition on organic phase electrochemical CO 2 reduction. Our study reveals that the surface inhibiting layer (hydrophobic surfactants and Bi 3+ species) formed during the synthesis and purification process hinders the CO 2 reduction, leading to a 20% drop in Faradaic efficiency for CO evolution (FE CO ). Bi particle size showed a significant effect on FE CO when the surface of Bi was air-oxidized, but this effect of size on FE CO became negligible on surface-activated Bi NPs. After the surface activation (hydrazine treatment) that effectively removed the native inhibiting layer, activated 36-nm Bi NPs exhibited an almost-quantitative conversion of CO 2 to CO (96.1% FE CO ), and a mass activity for CO evolution (MA CO ) of 15.6 mA mg –1, which is three-fold higher than the conventional Bi-ED, at −2.0 V (vs Ag/AgCl). This work elucidates the importance of the surface activation for an efficient electrochemical CO 2 conversion on metal NPs and paves the way for understanding the CO 2 electrochemical reduction mechanism in nonaqueous media.
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Cites
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Cited by
Han, N., Wang, Y., Yang, H., Deng, J., Wu, J., Li, Y., & Li, Y. (2018) · Nature Communications · doi:10.1038/s41467-018-03712-z · Cited by 914
Koh, J. H., Won, D. H., Eom, T., Kim, N.-K., Jung, K. D., Kim, H., Hwang, Y. J., & Min, B. K. (2017) · ACS Catalysis · doi:10.1021/acscatal.7b00707 · Cited by 325
Cheng, Y., Zhao, S., Li, H., He, S., Veder, J.-P., Johannessen, B., Xiao, J., Lu, S., Pan, J., Chisholm, M. F., et al. (2019) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2018.10.046 · Cited by 319
Fan, K., Jia, Y., Ji, Y., Kuang, P., Zhu, B., Liu, X., & Yu, J. (2020) · ACS Catalysis · doi:10.1021/acscatal.9b04516 · Cited by 298
Lee, C. W., Hong, J. S., Yang, K. D., Jin, K., Lee, J. H., Ahn, H.-Y., Seo, H., Sung, N.-E., & Nam, K. T. (2018) · ACS Catalysis · doi:10.1021/acscatal.7b03242 · Cited by 228
Metadata
- Authors
- Zhang, Z., Chi, M., Veith, G. M., Zhang, P., Lutterman, D. A., Rosenthal, J., Overbury, S. H., Dai, S., & Zhu, H.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-08-22
- Volume
- 6
- Issue
- 9
- Pages
- 6255-6264
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2507653597
- Cited by
- 253
- References
- 12
- FWCI
- 6.17
- Type
- journal article
- Language
- en
- Open access
- green
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- Zhang, Z., Chi, M., Veith, G. M., Zhang, P., Lutterman, D. A., Rosenthal, J., Overbury, S. H., Dai, S., & Zhu, H. (2016). Rational Design of Bi Nanoparticles for Efficient Electrochemical CO2 Reduction: The Elucidation of Size and Surface Condition Effects. ACS Catalysis. https://doi.org/10.1021/acscatal.6b01297
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