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基于ZnIn₂S₄的多接口合光催化剂,用于高效的光热协同催化演变

Danni Zeng¹, Tingzhe Shen¹, Yadong Hu²

¹Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province, Yancheng Institute of Technology, Jiangsu, China.

Journal of colloid and interface science

|May 21, 2024

概括

这项研究开发了一种新型的S-空缺ZnIn2S4和Ni-NiO@CNFs复合物,用于增强光催化生产. 该材料通过协同光热催化实现了高生产率和效率.

科学领域:

材料科学材料科学材料科学
催化剂是一种催化剂.
可再生能源可再生能源是可再生能源.

背景情况:

光热协同催化为能源转换提供了一种新的方法.
开发高效的光催化剂对于可持续的生产至关重要.
S-空位ZnIn2S4 (ZIS-Vs) 和Ni-NiO@CNF被探索以获得增强的催化性能.

研究的目的:

设计和合成一个多接口合的光催化剂,将ZIS-Vs与Ni-NiO@CNFs结合起来.
研究用于增强气生产的协同光热催化效应.
评估开发的复合材料的性能和效率.

主要方法:

合成一个复合光催化剂 (Ni-NiO@CNFs/ZIS-Vs) 具有双 Schottky 屏障和通道.
使用可见近红外 (Vis-NIR) 辐射进行内部光热催化.
使用理论计算 (吉布斯自由能量) 和实验测量的生产速度和光热转换效率.

主要成果:

复合材料显示出显著提高的生产率 (17.24 mmol·g-1·h-1) 和光热转换效率 (61.42%).
在可见光下,优化的催化剂 (0.9Ni-NiO@CNFs/ZIS-Vs) 的效率是ZIS-Vs的20.52倍.
结合的Vis-NIR光和外部加热进一步提高了的生产,使激活能量从16.7降至9.28kJ·mol-1.1.

结论:

开发的Ni-NiO@CNFs/ZIS-Vs复合物证明了用于生产的高效光热协同催化系统.
协同效应,双 Schottky 屏障和双通道有助于改善电荷分离和催化活性.
这项研究为设计用于高效能源转换的先进光热催化剂提供了有价值的原型.

关键词:

的进化是因为的进化.尼-尼奥@CNFs是没有的光热转换效应是光热转换效应.光热协同催化剂光热催化剂在ZnIn(2)S(4) 中

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