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A molecule-like PtAu24(SC6H13)18 nanocluster as an electrocatalyst for hydrogen production

Author

Listed:
  • Kyuju Kwak

    (Yonsei University)

  • Woojun Choi

    (Yonsei University)

  • Qing Tang

    (University of California)

  • Minseok Kim

    (Yonsei University)

  • Yongjin Lee

    (Yonsei University)

  • De-en Jiang

    (University of California)

  • Dongil Lee

    (Yonsei University)

Abstract

The theoretically predicted volcano plot for hydrogen production shows the best catalyst as the one that ensures that the hydrogen binding step is thermodynamically neutral. However, the experimental realization of this concept has suffered from the inherent surface heterogeneity of solid catalysts. It is even more challenging for molecular catalysts because of their complex chemical environment. Here, we report that the thermoneutral catalyst can be prepared by simple doping of a platinum atom into a molecule-like gold nanocluster. The catalytic activity of the resulting bimetallic nanocluster, PtAu24(SC6H13)18, for the hydrogen production is found to be significantly higher than reported catalysts. It is even better than the benchmarking platinum catalyst. The molecule-like bimetallic nanocluster represents a class of catalysts that bridge homogeneous and heterogeneous catalysis and may provide a platform for the discovery of finely optimized catalysts.

Suggested Citation

  • Kyuju Kwak & Woojun Choi & Qing Tang & Minseok Kim & Yongjin Lee & De-en Jiang & Dongil Lee, 2017. "A molecule-like PtAu24(SC6H13)18 nanocluster as an electrocatalyst for hydrogen production," Nature Communications, Nature, vol. 8(1), pages 1-8, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14723
    DOI: 10.1038/ncomms14723
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    Cited by:

    1. Zhihe Liu & Hua Tan & Bo Li & Zehua Hu & De-en Jiang & Qiaofeng Yao & Lei Wang & Jianping Xie, 2023. "Ligand effect on switching the rate-determining step of water oxidation in atomically precise metal nanoclusters," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Haohua Deng & Kaiyuan Huang & Lingfang Xiu & Weiming Sun & Qiaofeng Yao & Xiangyu Fang & Xin Huang & Hamada A. A. Noreldeen & Huaping Peng & Jianping Xie & Wei Chen, 2022. "Bis-Schiff base linkage-triggered highly bright luminescence of gold nanoclusters in aqueous solution at the single-cluster level," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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