光电催化

气体扩散电极在BEF及TiO2/Ti光电催化过程中的应用研究

Study on Application of Gas Diffusion Electrode in the BEF and TiO_2 / Ti Photoelectrocatalysis

作者对TiO2光催化的影响因素、光电催化和太阳能利用等方面的研究与应用进展作了综合评述。

This paper reviews the development on research and application of TiO 2 photocatalytic oxidation , including the effective factors , photoelectrocatalysis and the utilization of solar energy .

若丹明B的光电催化降解和光催化降解的实验结果表明：外加偏压可以有效地提高有机物的光催化降解效率。

Biasing could increase the efficiency of photocatalytic degradation of organic matters .

TiO2膜电极光电催化降解苯甲酸的机理研究

Mechanism on Photocatalytic Degradation of Benzoic Acid with TiO_2-film Electrode

自上世纪70年代以来，半导体特别是TiO2光电催化反应在诸多领域应用引起了广泛研究。

There have been widely investigated on the application of semiconductor photoelectrochemical reaction since 1972 , particularly TiO_2 photocatalysis .

实验表明：ZnO薄膜电极在UV照射下能够有效地光电催化降解乙酰甲胺磷，加入适量H2O2后具有一定的协同作用。

The results showed that ZnO thin-films electrode could effectively degrade acephate under UV irradiation in the presence of H2O2 .

同时，薄膜的中间层Pt及光源强度对薄膜的光电催化活性也有较大影响。

The interim Pt and intensity of light source also have the effects on the photocatalytic activities of the thin films .

LaxSr（1-x）NiO3对水溶液染料的光电催化活性研究

Photo-electro-catalytic Activity of La_xSr_ ( 1-x ) NiO_3 for Degradation of Aqueous Soluble Dyestuff

过渡时期：向哪里过渡？对TiO2纳米管电极光电催化PCP过程产物也进行了推断。

In the Interim : Where to Go ? The interim - products are also deduced .

但TiO2只有吸收紫外光时才能形成电子一空穴对，且电子和空穴很容易复合，使其光电催化活性降低，阻碍了TiO2的实际应用。

But the absorption band of TiO_2 is only limited in ultraviolet region , which hinders its practical application .

同时，Zn2+可能作为光生载流子的浅俘获中心，导致表面界面电荷转移加速，从而延长光生电子/空穴对的寿命并抑制其复合，有效地提高了TiO2薄膜光电催化活性。

It is initially thought that Zn 2 + acts as surface-interface shallow trap and favors the suppression of photogenerated electron / hole pairs .

结果表明，增加外加偏压、Na2SO4浓度以及酸性溶液对PCP的光电催化是有利的。

The photoelectrocatalysis of PCP is enhanced when increasing bias potential , Na_2SO_4 concentration and in acidic solution .

本文从纳米TiO2光催化技术，纳米TiO2光电催化技术两个方面介绍了纳米技术在水处理中应用的原理和特点，讨论了崭新的纳米水处理技术的应用前景。

The principle and characterization of nano-technologies applied in water treatment are presented as follows : nano-TiO2 photo catalyzed oxidation and nano-TiO2 photo-electrochemical catalyzed oxidation . Application prospect of nano-water treatment technologies are discussed .

光电催化降解五氯酚的过程中溶液毒性逐步降低，反应2h后，溶液的毒性降低到初始毒性的11%。

Toxicity of the treated solution decreased steadily during the photoelectrocatalysis process of PCP with a reduction of relative toxicity index to 11 % of that of the starting solution after two hours of treatment .

将TiO2光催化剂负载在活性炭/石墨载体上，通过高聚物固体电解质Nafion分隔阴、阳极，构成新型气相光电催化反应系统。

A composite electrode of which TiO_ ( 2 ) film is fixed on active carbon / graphite sheet is reported . By comparted the cathode and anode with high polymer solid electrolyte Nafion , a novel system of gas phase-photoelectrocatalysis is formed .

采用96h藻类生长抑制试验考查了光电催化水中五氯酚过程中以及不同降解条件下的急性毒性变化规律。

The regularities of the acute toxicity changes during the photoelectrocatalysis process of pentachlorophenol ( PCP ) and toxicity reduction under different conditions were investigated with ( 96 h-alga ) growth inhibition tests .

本博士学位论文主要是利用电化学原子层沉积法（EC-ALD）在不同基底上沉积制备了几种功能性半导体纳米薄膜材料，并探讨了这些功能薄膜材料在光电催化和有机物降解等方面的应用。

In this thesis , the electrochemical atomic layer deposition ( EC-ALD ) method was used to fabricate several functional semiconductor compounds on different substrates , and the application of these thin films such as photoelectrocatalysis and organic degradation were also investigated .

Ag/TiO2对含酚废水的光电催化降解

Electro-Photocatalytic Degradation of Phenol in Wastewater Using Ag / TiO_2 Photocatalysts

光电催化降解苯胺的研究&外加电压的影响

Effect of applied potential on the photocatalytic degradation of aniline

掺锑二氧化锡电极光电催化降解甲基橙的研究

Study on the Photoelectrocatalysis Degradation for Methyl Orange on Sb-doped SnO_2 Electrode

气体扩散电极在光电催化氧化水中苯酚的应用

The Application of Gas Diffusion Electrode on Photoelectrocatalysis Oxidation Phenol in Water

气相光电催化降解环己烷的研究

Degradation of Cyclohexane with Gas Phase - Photoelectro catalysis

02作为电子受体可以大大提高苯酚的光电催化降解速率。

With O2 as the electron acceptor the reaction rate of degradation is improved greatly .

半导体薄膜光电催化降解工业废水

Semiconductor Photo Electric Catalytic Degradation of Wastewater

光电催化法能将废水中的有害物质完全矿化，这是其他废水处理方法所无法比拟的，其在废水处理领域中，具有很好的应用和推广价值。

Photoelectrocatalysis can be used to mineralize hazardous substances completely , while the other wastewater treatment techniques can not do so .

并探索了苯酚光电催化降解后可能的中间产物以及O2和金属离子（Fe~（3+）和Cu~（2+））作为电子受体在光电催化过程中的作用。

The possible intermediates and the effects of O2 and metal ions ( Fe3 + and Cu2 + ) as electron acceptors respectively were also studied .

因此，有效控制电子和空穴间的复合，使其发生有效的化学作用是提高光电催化效率的重要途径。

Therefore , it is an important way to control the recombination between electrons and holes so that make effective chemical reaction happen to improve the PEC efficiency .

讨论了光电催化、太阳能利用等对光催化领域的推动作用，并指出在该领域的研究中存在问题和发展方向。

Meanwhile the driving force of photoelectric catalyzing and solar energy utilizing on photocatalysis are discussed , and its development trend and existing ( problems ) are also pointed out .

因此，设计和开发基于多酸的修饰电极，扩展多酸基修饰电极在电催化、光电催化方面的应用具有重要意义。

Thus , it has great significance that the design and development of modified electrode based on POMs , extend the application of POMs modified electrode in electrocatalysis and photoelectrocatalysis .

通过改变光源条件发现紫外光和可见光作用都能引起锈层的光电催化效应，但紫外光作用要大于可见光。

After that , change the light conditions we found both of UV and visible light can cause the photoelectric catalytic reaction of the rust layers , but it is more effective under UV than visible sight .