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首页> 外文期刊>RSC Advances >Microwave-assisted synthesis of La-Cr co-doped SrTiO3 nano-particles and their use in photocatalytic hydrogen evolution under visible light
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Microwave-assisted synthesis of La-Cr co-doped SrTiO3 nano-particles and their use in photocatalytic hydrogen evolution under visible light

机译：La-Cr共掺杂SrTiO3纳米粒子的微波辅助合成及其在可见光下光催化制氢的应用

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摘要

The increasing need for efficient materials capable of solar fuel generation is primary to the development of a green energy economy. In this contribution, we demonstrate that La-Cr co-doped SrTiO3 (STO) nanoparticles obtained through a one-pot microwave-assisted method exhibit visible light absorption. We fine-tune the content from cation substitution in the structure of the STO to develop high-efficiency visible-light-driven water splitting photocatalysts considering the discrete impurity levels created by dopants. In our study, we draw the conclusion from the experiments that the photocatalytic hydrogen production performance was optimum when the doping molar amount of La-Cr was 5%. Rational explanations for the high-performance of the photocatalysts of La-Cr co-doped STO materials are described.
机译：对于能够产生太阳能的高效材料的日益增长的需求，是绿色能源经济发展的基础。在这一贡献中，我们证明了通过一锅微波辅助方法获得的La-Cr共掺杂SrTiO3（STO）纳米粒子表现出可见光吸收。考虑到掺杂剂产生的离散杂质水平，我们对STO结构中阳离子取代的含量进行了微调，以开发出高效的可见光驱动水分解光催化剂。在我们的研究中，我们从实验中得出结论，当La-Cr的掺杂摩尔量为5％时，光催化制氢性能最佳。描述了La-Cr共掺杂STO材料的高性能光催化剂的合理解释。

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