High-density frustrated Lewis pairs based on Lamellar Nb2O5 for ...
2023年4月10日 · Benefitting from the planar atomic arrangement of lamellar Nb 2 O 5, the frustrated Lewis pairs sites are highly exposed and accessible to reactants, which results in a …
Application of EPR Spectroscopy in TiO2 and Nb2O5 Photocatalysis …
2021年12月13日 · This review focus on the application of EPR in the observation of paramagnetic centers formed upon irradiation of titanium dioxide and niobium oxide photocatalysts. TiO2 …
EPR Study of the Surface Characteristics of Nanostructured TiO
2001年7月24日 · Nanostructured TiO 2 samples with primary particle size in the 4−20 nm range were prepared by either hydrothermal (H) or thermal (T) treatment of an amorphous precursor, …
江南大学焦星辰课题组Nano Letters：金属−空位对位点选择性光还 …
结果表明，含氧缺陷的Nb2O5纳米片的CH4生成速率为19.14 μmol g-1 h-1，电子选择性高达94.1%。 这一调控提高了CH4生成的选择性，为有效地调整CO2光还原过程中的产物选择性提 …
EPR光谱在TiO2和Nb2O5光催化中的应用,Catalysts - X-MOL
2021年12月13日 · 电子顺磁共振 (EPR) 光谱是一种独特的分析工具，可用于监测固相和液相中发生的光致现象，并提供对不同实验条件下光催化剂的动力学和反应性的精确洞察。 本综述着 …
Oxygen vacancies in actiniae-like Nb2O5/Nb2C MXene …
2021年12月15日 · Oxygen vacancy and radical signals were tested by a Bruker EMX plus electron paramagnetic resonance (EPR) spectrometer. A JEOL JSM-7001F scanning electron …
Steering accessible oxygen vacancies for alcohol oxidation …
2021年12月5日 · We provide a distinct understanding on the role of oxygen vacancies (OVs) for visible light-triggered aerobic oxidation of alcohols via comparative studies on three kinds of …
Defective Nb2O5-supported Pt catalysts for CO oxidation: …
2019年7月1日 · Characterization of the catalysts using H 2 TPR, EPR, Raman, and XPS analyses indicates that the catalysts with Nb 2 O 5 supports thermally treated under Ar for a longer time …
Electron paramagnetic resonance (EPR) measurements for …
In this review, we describe the crystalline features of the four main phases of Nb2O5 and analyze their specific electrochemical characteristics with an emphasis on the intrinsic ion...
软化学途径制备五氧化二铌：形貌、结构、缺陷和量子尺寸效 …
2003年2月25日 · 根据各种表征方法（XRD、HRTEM、DTA-TG、紫外可见漫反射、拉曼和 EPR 光谱），Nb2O5 显示出特殊的体积和表面特性。 合成 Nb2O5 的相变温度（无定形 → 准六方 …