Achieving Complete Hydrogen Evolution from N2H4BH3 over Mesoporous TiO2 Immobilized NiPt Alloy Nanoparticles,ChemistrySelect

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Achieving Complete Hydrogen Evolution from N2H4BH3 over Mesoporous TiO2 Immobilized NiPt Alloy Nanoparticles
ChemistrySelect ( IF 1.9 ) Pub Date : 2021-09-13 , DOI: 10.1002/slct.202102592
Mengmeng Liu ₁ , Liu Zhou ₁ , Chao Wan _{1,

2,

3} , Mingfu Ye _{1,

4,

5} , Lixin Xu ₁

Affiliation

Mesoporous materials, as the supports in the fabrication of catalyst, are beneficial for the dispersion of the metal active sites in the pores. Herein, highly dispersed Ni−Pt alloy nanoparticles deposited on mesoporous TiO₂ was facilely and successfully fabricated via a one-step reduction method towards hydrogen generation from N₂H₄BH₃. Unexpectedly, the optimized Ni_0.5Pt_0.5/meso-TiO₂ exhibits superior catalytic property and 100 % selectivity with a turnover frequency (TOF) value of 77.06 min⁻¹ in the existence of sodium hydroxide at 323 K. Meanwhile, the catalyst achieves high stability and reusability even after five recycles. This study provides one new way for preparation of mesoporous TiO₂ supported metal NPs for hydrogen generation reaction

中文翻译：

在介孔 TiO2 固定化 NiPt 合金纳米颗粒上实现 N2H4BH3 的完全析氢

介孔材料作为制备催化剂的载体，有利于金属活性位点在孔隙中的分散。在本文中，通过一步还原法从 N ₂ H ₄ BH ₃产生氢气，可以轻松成功地制备沉积在介孔 TiO ₂上的高度分散的 Ni-Pt 合金纳米粒子。出乎意料的是，优化的 Ni _0.5 Pt _0.5 /meso-TiO ₂表现出优异的催化性能和 100% 的选择性，周转频率 (TOF) 值为 77.06 min ^-1在323 K氢氧化钠的存在下。同时，即使经过5次循环，该催化剂仍具有很高的稳定性和可重复使用性。该研究为制备用于制氢反应的介孔TiO ₂负载金属纳米颗粒提供了一种新途径

更新日期：2021-09-13

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