介电氧化亚铜颗粒光催化活性和选择性的调控
Tuning Catalytic Activity and Selectivity in Photocatalysis on Dielectric Cuprous Oxide Particles
摘要：
染料降解在科学界已有四十多年的历史。所有这些研究主要集中在使用由光或热驱动的催化剂来破坏各种染料。在发现了TiO2的水分解作用后，大多数研究开始关注金属氧化物。在许多催化剂中，等离子体金属纳米结构由于其被称为局域表面等离子体共振（LSPR）的特殊性质，近年来已被显着探索。然而，面对热损耗和不稳定性的多重问题，人们开始关注用于光子应用的介电中高折射率材料。这些介电材料中的大多数已经从物理学的角度进行了研究，而较少从化学角度进行研究。在这项工作中，我们专注于如何将这些材料可用于调谐选择性，通过波长依赖性的研究，通过执行亚甲蓝（MB）染料降解。
英文摘要：
Dye degradation has been for more than forty years in the scientific community. All these studies have primarily focused on breaking various dyes using catalysts driven by either light or heat. Most studies started to focus on metal-oxides after the discovery of water-splitting by TiO2. Among the many catalysts used plasmonic metal nanostructures have been explored significantly in recent times due to their special property called localized surface plasmon resonances (LSPR). However, facing multiple problems of heat losses and instability, people started to focus on dielectric medium-to-high refractive indexed materials for photonic applications. Most of these dielectric materials have been studied from a physics point of view and less from chemistry. In this work, we have focused on how these materials can be used for tuning selectivity through wavelength-dependent studies by performing methylene blue (MB) dye degradation.
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