【作者】 赵恒； 李昱； 苏宝连；

【Author】 Heng Zhao;Yu Li;Bao-lian Su;State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology;Laboratory of Inorganic Materials Chemistry (CMI), University of Namur;

【机构】 生命复合材料国家重点实验室； 无机材料化学实验室,比利时那慕尔大学；

【摘要】 为了解决TiO₂存在的较大的禁带宽度和光生电子空穴复合速率快的问题,本课题组报道了一种三维有序大孔结构（3DOM）的三元组分光子晶体TiO₂-Au-Cd S,该催化剂在光解水产氢方面具有优异的性能^[1]。光子晶体结构特有的慢光子效应可以有效提高光吸收效率,本工作通过调控三维有序大孔的孔径尺寸,设计具有梯度结构的三元组分光子晶体,证实了慢光子效应在粉末样品光解水产氢过程中同样具有积极的作用。更多还原

【Abstract】 Ternary TiO₂-Au-CdS photonic crystals based on three-dimensionally ordered macroporous（3DOM） TiO₂ were fabricated to investigate the slow photon effect in the photocatalytic hydrogen evolution. he as-fabricated photocatalysts are favorable to simultaneously enhance light absorption, extend the light responsive region and reduce the recombination rate of the charge carriers. This work demonstrates that slow photons at the blue edge can largely enhance light harvesting and trigger a dramatic hydrogen evolution promotion in the powdered ternary photocatalyst.更多还原