The Preparation of Hydrogen by Photocatalytic Decomposition of Liquid Water using Sunlight.

这种调查是一种新颖的方法，用于用液态水的光催化分解制备氢。半导体的一种能量可以作为钛二氧化物（TiO_2）、镉硫化物（CdS）和其他物质混合在一起，然后这些粒子用聚合物的平均值、胶体滴定法和复合共轭法。粒子的表面被发现在扫描电子显微镜下。这些改进的半导体颗粒在石英反应器中被搁置并使用500W氙气灯进行辐照的Na_2CO_3类溶液。根据实验结果，用聚合法和封装的rutile TiO_2颗粒填充聚丁基丙烯酸酯、聚甲基丙烯酸酯的CdS颗粒（乙烯基硫酸盐）·glycol chitosan由胶体滴定法没有光饱和，没有毒药，狭窄的带间隙，使它们敏感化到可见的光线和高能量效率，而且已经找到了新的优秀的光分析师，用于氢的制备，由液体水的分解组成。

The popose of this investigation is to a novel method for preparation of hydrogen by photocatalytic decomposition of liquid water.The semiconductor fone powers such as titanium dioxide (TiO_2), cadmium sulfide (CdS) and others were mixed with 1% platinum black and then these particles were thinly coated with polymer by means of polymerization method, colloid titration method and complex coacervation method. The surface of the particles was obserbed under scanning electron microscope. These modified semiconductor particles were suspended into Na_2CO_3 aqueous solution in a quartz reactor and irradiated using 500 W xenon lamp.From experimental results, the encapsulated amorphous TiO_2 particles with polybutyl acrylate, polymethyl methacrylate by polymerization method and the encapsulated rutile TiO_2, CdS particles with potassium poly (vinyl sulfate)・glycol chitosan by colloid titration method had no photocorrosion, no poison, narrower band gap, making them sensitize to the visible ray and high energy efficiency, and were found out to be new excellent photocatalysts for the preparation of hydrogen by decomposition of liquid water.