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Super-Photothermal Effect-Mediated Fast Reaction Kinetic in S-Scheme Organic/Inorganic Heterojunction Hollow Spheres Toward Optimized Photocatalytic Performance
Small ( IF 13.0 ) Pub Date : 2023-03-10 , DOI: 10.1002/smll.202207499 Yawei Xiao 1 , Bo Yao 1 , Minhua Cao 2 , Yude Wang 1, 3
Small ( IF 13.0 ) Pub Date : 2023-03-10 , DOI: 10.1002/smll.202207499 Yawei Xiao 1 , Bo Yao 1 , Minhua Cao 2 , Yude Wang 1, 3
Affiliation
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Using full solar spectrum for energy conversion and environmental remediation is a major challenge, and solar-driven photothermal chemistry is a promising route to achieve this goal. Herein, this work reports a photothermal nano-constrained reactor based on hollow structured g-C3N4@ZnIn2S4 core–shell S-scheme heterojunction, where the synergistic effect of super-photothermal effect and S-scheme heterostructure significantly improve the photocatalytic performance of g-C3N4. The formation mechanism of g-C3N4@ZnIn2S4 is predicted in advance by theoretical calculations and advanced techniques, and the super-photothermal effect of g-C3N4@ZnIn2S4 and its contribution to the near-field chemical reaction is confirmed by numerical simulations and infrared thermography. Consequently, the photocatalytic degradation rate of g-C3N4@ZnIn2S4 for tetracycline hydrochloride is 99.3%, and the photocatalytic hydrogen production is up to 4075.65 µmol h−1 g−1, which are 6.94 and 30.87 times those of pure g-C3N4, respectively. The combination of S-scheme heterojunction and thermal synergism provides a promising insight for the design of an efficient photocatalytic reaction platform.
中文翻译：
S 型有机/无机异质结空心球中超光热效应介导的快速反应动力学优化光催化性能
使用全太阳光谱进行能量转换和环境修复是一项重大挑战，而太阳能驱动的光热化学是实现这一目标的有前途的途径。在此，这项工作报道了一种基于空心结构 gC 3 N 4 @ZnIn 2 S 4核壳S型异质结的光热纳米约束反应器，其中超光热效应和S型异质结构的协同效应显着提高了光催化性能gC 3 N 4的性能。gC 3 N 4 @ZnIn 2 S 4的形成机理通过理论计算和先进技术提前预测，gC 3 N 4 @ZnIn 2 S 4的超光热效应及其对近场化学反应的贡献通过数值模拟和红外热成像得到证实。结果表明，gC 3 N 4 @ZnIn 2 S 4对四环素盐酸盐的光催化降解率为99.3%，光催化产氢量高达4075.65 µmol h -1 g -1，分别是纯gC的6.94和30.87倍。3N 4 _， 分别。S型异质结和热协同作用的结合为高效光催化反应平台的设计提供了有前景的见解。
更新日期：2023-03-10
中文翻译：
S 型有机/无机异质结空心球中超光热效应介导的快速反应动力学优化光催化性能
使用全太阳光谱进行能量转换和环境修复是一项重大挑战，而太阳能驱动的光热化学是实现这一目标的有前途的途径。在此，这项工作报道了一种基于空心结构 gC 3 N 4 @ZnIn 2 S 4核壳S型异质结的光热纳米约束反应器，其中超光热效应和S型异质结构的协同效应显着提高了光催化性能gC 3 N 4的性能。gC 3 N 4 @ZnIn 2 S 4的形成机理通过理论计算和先进技术提前预测，gC 3 N 4 @ZnIn 2 S 4的超光热效应及其对近场化学反应的贡献通过数值模拟和红外热成像得到证实。结果表明，gC 3 N 4 @ZnIn 2 S 4对四环素盐酸盐的光催化降解率为99.3%，光催化产氢量高达4075.65 µmol h -1 g -1，分别是纯gC的6.94和30.87倍。3N 4 _， 分别。S型异质结和热协同作用的结合为高效光催化反应平台的设计提供了有前景的见解。
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