ESR Signal of Superoxide Radical Anion Adsorbed on TiO2 Generated at Room Temperature
ESR Signal of Superoxide Radical Anion Adsorbed on TiO2 Generated at Room Temperature
复制标题
DOI：
10.1021/jp037585e
复制
发表时间：
2004-02
影响因子：
3.3
通讯作者：
Junhua Yu;Jingrong Chen;Chao Li;Xuesong Wang;Bao-wen Zhang;Hui-Ying Ding
中科院分区：
文献类型：
--
作者：
Junhua Yu;Jingrong Chen;Chao Li;Xuesong Wang;Bao-wen Zhang;Hui-Ying Ding
首次在室温下直接检测到超氧阴离子自由基吸附在胶体TiO 2表面的电子自旋共振谱。该信号部分由卟啉敏化的二氧化钛产生，即，通过刚从激发的卟啉注入的电子还原TiO 2纳米团簇表面上的吸附氧。
The electron spin resonance spectrum of superoxide anion radical adsorbed on the surface of colloidal TiO2 was detected directly at room temperature for the first time. This signal was generated partially by porphyrin-sensitized titanium dioxide, i.e., the reduction of adsorbed oxygen on the TiO2 nanocluster surface by the just injected electron from the excited porphyrin.