Digitally Controlled Kinetics of Titania-photocatalyzed Oxygen Evolution

Digitally Controlled Kinetics of Titania-photocatalyzed Oxygen Evolution
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DOI：
10.1246/cl.171093
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发表时间：
2018-01
期刊：
Chemistry Letters
影响因子：
1.6
通讯作者：
Shugo Takeuchi;Mai Takashima;Mai Takase;B. Ohtani
Shugo Takeuchi;Mai Takashima;Mai Takase;B. Ohtani
中科院分区：
化学4区
文献类型：
--
作者：
Shugo Takeuchi;Mai Takashima;Mai Takase;B. Ohtani

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在UV-LED强辐射下，氧化钛粒子和电子受体的析氧光强依赖性是多模态的；一般来说，LID从二阶变为一阶，在某些情况下变为四阶。这样的lid顺序切换可以用一个动力学模型合理地解释，在这个模型中，每个粒子中多电子（正空穴）积累的概率以数字方式控制总体速率。
The light-intensity dependence (LID) of oxygen evolution using titanium(IV) oxide particles and electron acceptors under intense UV-LED irradiation was multimodal; in general, the LID changed from second to first order, and then fourth order in some cases. Such LID-order switching could reasonably be explained using a kinetic model in which the probability of multiple-electron (positive holes) accumulation in each particle governs the overall rates digitally.