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|Title:||Rationally engineered active sites for efficient and durable hydrogen generation||Authors:||Xue, YR
|Issue Date:||2019||Publisher:||Nature Publishing Group||Source:||Nature communications, 23 May 2019, v. 10, 2281, p. 1-8 How to cite?||Journal:||Nature communications||Abstract:||The atomic-level understanding of the electrocatalytic activity is pivotal for developing new metal-free carbon electrocatalysts towards efficient renewable energy conversion. Here, by utilizing the amidated-carbon fibers, we demonstrate a rational surface modulation strategy on both structural and electronic properties, which will significantly boost the hydrogen evolution reaction activity of electrocatalysts. Theoretical calculations reveal the amidation decorated surface will promote significantly more 2D electrons towards the localization at the C=O branch. The modified surface displays a self-activated electron-extraction characteristic that was actualized by a fast reversible bond-switching between HO-C=C-catalyst and O=C-C-catalyst. Experimentally, this metal-free electrode exhibits outstanding hydrogen evolution reaction activities and long-term stabilities in both acidic and alkaline media, even surpassing the commercial 20 wt% Pt/C catalyst. Thus, this strategy can extend to a general blueprint for achieving precise tuning on highly efficient electron-transfer of hydrogen evolution reaction for broad applications under universal pH conditions.||URI:||http://hdl.handle.net/10397/81089||EISSN:||2041-1723||DOI:||10.1038/s41467-019-10230-z||Rights:||Open Access This article is licensed under a Creative CommonsAttribution 4.0 International License, which permits use, sharing,adaptation, distribution and reproduction in any medium or format, as long as you giveappropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
© The Author(s) 2019
The following publication Xue, Y. R., Hui, L., Yu, H. D., Liu, Y. X., Fang, Y., Huang, B. L., … & Li, Y. L. (2019). Rationally engineered active sites for efficient and durable hydrogen generation. Nature communications, 10, 2281, 1-8 is available at https://dx.doi.org/10.1038/s41467-019-10230-z
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