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<p>We synthesized Ru<sub>1</sub>Cu<sub>25</sub>P<sub>7.5</sub>/TiO<sub>2</sub> catalyst using sodium borohydride (NaBH<sub>4</sub>) as reductant in a facile strategy. The highly dispersed RuCuP nanoclusters are anchored on the TiO<sub>2</sub> surface with an average particle size of 2.62 nm. The catalyst shows excellent catalytic activity when applied to the hydrolysis of AB, which owns a high turnover frequency value of 531.56 mol<sub>H2</sub>mol<sub>Ru</sub><sup>−1</sup>min<sup>−1</sup> and a low activation energy of 46.38 kJ · mol<sup>−1</sup>, it also exhibits good durability which maintains 61.13% initial activity after five cycles. The high catalytic performance of Ru<sub>1</sub>Cu<sub>25</sub>P<sub>7.5</sub>/TiO<sub>2</sub> may be attributed to the synergistic effects between Ru, Cu, and P elements, fine particle size, good dispersion, and the tight adhesion between nanoclusters and carrier.</p>

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Fine RuCuP Nanoclusters Anchored on TiO2 for Efficient Hydrolysis of Ammonia Borane

  • 期刊论文

  • 发表日期：

    2026年4月11日

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  • Sen Tian,
  • Longyin Zhao,
  • Lan Yang

摘要

We synthesized Ru1Cu25P7.5/TiO2 catalyst using sodium borohydride (NaBH4) as reductant in a facile strategy. The highly dispersed RuCuP nanoclusters are anchored on the TiO2 surface with an average particle size of 2.62 nm. The catalyst shows excellent catalytic activity when applied to the hydrolysis of AB, which owns a high turnover frequency value of 531.56 molH2molRu−1min−1 and a low activation energy of 46.38 kJ · mol−1, it also exhibits good durability which maintains 61.13% initial activity after five cycles. The high catalytic performance of Ru1Cu25P7.5/TiO2 may be attributed to the synergistic effects between Ru, Cu, and P elements, fine particle size, good dispersion, and the tight adhesion between nanoclusters and carrier.