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Qi Lin Hu, Keru Gao, Xiaodeng Wang, Hongju Zheng, Jianyong Cao, Lingren Mi, Qihua Huo, Hengpan Yang, Jianhong Liu, Chuanxin He
Subnanometric metal clusters usually have unique electronic structures and may display electrocatalytic performance distinctive from single atoms (SAs) and larger nanoparticles (NPs). However, the electrocatalytic performance of clusters, especially the size-activity relationship at the sub-nanoscale, is largely unexplored. Here, we synthesize a series of Ru nanocrystals from single atoms, subnanometric clusters to larger nanoparticles, aiming at investigating the size-dependent activity of hydrogen evolution in alkaline media. It is found that the d band center of Ru downshifts in a nearly linear relationship with the increase of diameter, and the subnanometric Ru clusters with d band center closer to Femi level display a stronger water dissociation ability and thus superior hydrogen evolution activity than SAs and larger nanoparticles. Benefiting from the high metal utilization and strong water dissociation ability, the Ru clusters manifest an ultrahigh turnover frequency of 43.3 s −1 at the overpotential of 100 mV, 36.1-fold larger than the commercial Pt/C.
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Hu, Q. L., Gao, K., Wang, X., Zheng, H., Cao, J., Mi, L., Huo, Q., Yang, H., Liu, J., & He, C. (2022). Subnanometric Ru clusters with upshifted D band center improve performance for alkaline hydrogen evolution reaction. Nature Communications, 13(1), 3958. https://doi.org/10.1038/s41467-022-31660-2
Hu, Qi Lin, et al. "Subnanometric Ru clusters with upshifted D band center improve performance for alkaline hydrogen evolution reaction." Nature Communications, vol. 13, no. 1, 2022, pp. 3958, https://doi.org/10.1038/s41467-022-31660-2.
Hu, Qi Lin, Keru Gao, Xiaodeng Wang, Hongju Zheng, Jianyong Cao, Lingren Mi, Qihua Huo, Hengpan Yang, Jianhong Liu, and Chuanxin He. "Subnanometric Ru clusters with upshifted D band center improve performance for alkaline hydrogen evolution reaction." Nature Communications 13, no. 1 (2022): 3958. https://doi.org/10.1038/s41467-022-31660-2.
Hu Q. L., Gao K., Wang X. [и др.] Subnanometric Ru clusters with upshifted D band center improve performance for alkaline hydrogen evolution reaction // Nature Communications. — 2022. — Vol. 13, № 1. — P. 3958. — URL: https://doi.org/10.1038/s41467-022-31660-2
@article{hu2022subnanometric,
title = {{Subnanometric Ru clusters with upshifted D band center improve performance for alkaline hydrogen evolution reaction}},
author = {Qi Lin Hu and Keru Gao and Xiaodeng Wang and Hongju Zheng and Jianyong Cao and Lingren Mi and Qihua Huo and Hengpan Yang and Jianhong Liu and Chuanxin He},
journal = {Nature Communications},
year = {2022},
volume = {13},
number = {1},
pages = {3958},
doi = {10.1038/s41467-022-31660-2},
url = {https://doi.org/10.1038/s41467-022-31660-2}
}TY - JOUR AU - Hu, Qi Lin AU - Gao, Keru AU - Wang, Xiaodeng AU - Zheng, Hongju AU - Cao, Jianyong AU - Mi, Lingren AU - Huo, Qihua AU - Yang, Hengpan AU - Liu, Jianhong AU - He, Chuanxin TI - Subnanometric Ru clusters with upshifted D band center improve performance for alkaline hydrogen evolution reaction JO - Nature Communications VL - 13 IS - 1 SP - 3958 PY - 2022 DA - 2022/07/08 DO - 10.1038/s41467-022-31660-2 UR - https://doi.org/10.1038/s41467-022-31660-2 ER -
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