4) photocatalytic activity
光催化性能
1.
Using the photodegradation of methylene blue under visible light as the model reaction,the impacts on characterization and photocatalytic activity were investigated in detail under the different synthesized conditions such as crystallization time,organic template,pH and photocatalytic reaction conditions such as different catalys.
以可见光光催化降解亚甲基蓝作为模型反应,详细考察了合成条件(晶化时间、模板剂种类、晶化胶体酸度)和光催化反应条件(催化剂用量、反应液初始pH值)等因素对合成产物的理化性能及光催化性能的影响。
2.
The results indicated that the film had good photocatalytic activity to the photodegradation of MB.
以亚甲基蓝为目标降解物,评价了膜片的可见光光催化性能。
3.
The photocatalytic activity for degradation of methylene blue wasinvestigated under UV and visible-light irradiation, respectively.
采用X-射线粉末衍射、扫描电镜、傅立叶变换红外光谱、紫外-可见漫反射光谱、X-射线光电子能谱、热重分析、比表面积分析等手段对所合成的复合材料进行理化性能表征;分别以罗丹明B溶液和亚甲基蓝溶液为目标降解物,在紫外光和可见光下评价了复合材料ZnS/APO的光催化活化性能;同时,考察了采用不同的ZnS掺杂量和初始反应液pH值所制备的复合材料对光催化性能的影响;并从光催化条件的改变(包括不同催化剂用量、不同的染料溶液pH值等条件)考察催化剂在可见光条件下光催化降解亚甲基蓝的反应活性。
5) photocatalysis
[,fəutəukə'tælisis]
光催化性能
1.
The preparation of TiO_(2-x)N_x(0photocatalysis and hydrophilic properties;
氮掺杂TiO_2薄膜的溶胶凝胶法制备及其光催化性能和亲水性的影响研究
2.
The photocatalysis of the films was characterized by means of photocatalytic degradation of methylene blue under UV irradiation.
通过XRD、 FE-SEM和AFM研究了复合薄膜的微观结构,采用紫外光照射下亚甲基蓝的分解实验比较薄膜的光催化性能。
3.
The photocatalysis property of as-prepared powders was measured and the results showed that photocatalysis degradation rate of rhodamine B could reach 98% in presence of TiO2 nanopoders.
利用简便的溶胶凝胶法合成了锐钛型纳米TiO2粉体,对合成的TiO2粉体进行了XRD,SEM,TEM分析,利用对锐钛型纳米TiO2粉体形成过程进行了分析,并对合成的纳米TiO2粉体的光催化性能进行了研究,表明其对罗丹明B的光催化降解在1h内可达98%以上。
6) photocatalytic performance
光催化性能
1.
A Study on Photocatalytic performance of Fe~(3+) and W~(6+) Co-doped Nano-TiO_2;
Fe~(3+)/W~(6+)共掺杂纳米TiO_2的光催化性能研究
2.
Preparation and photocatalytic performance of fixed titanium dioxide film;
固定化二氧化钛膜的制备及其光催化性能
3.
The effects of such doping materials as metal ion,nonmetal ion,compound semiconductor,anion and organic photosensitizer on the photocatalytic performance of nano-titania were described in detail with 57 refs.
对近年来掺杂改性纳米TiO2的研究进行了综述,并且详细论述了金属离子掺杂、非金属离子掺杂、复合半导体、负离子掺杂、有机物敏化等对纳米TiO2光催化性能方面的影响。
补充资料:双光气
结构式:ClCOOCCl3 分子式:C2Cl4O2 相对分子量:197.85 CAS:503-38-8
纯品为无色透明液体,具有刺激性气味,剧毒。相对密度d144=1.653,沸点127.5-128℃,20℃时蒸汽压为1.33kPa,熔点-57℃。在40℃下存放40天不分解,在100℃下放3天分解10%。在高温下,双光气能很快与水反应生成盐酸和二氧化碳,在碱的催化下分解速度加快。
用途:氯甲酸三氯甲酯可用于合成多种医药中间体,如氧哌嗪青霉素、头孢哌酮、阿洛西林、美洛西林等。
纯品为无色透明液体,具有刺激性气味,剧毒。相对密度d144=1.653,沸点127.5-128℃,20℃时蒸汽压为1.33kPa,熔点-57℃。在40℃下存放40天不分解,在100℃下放3天分解10%。在高温下,双光气能很快与水反应生成盐酸和二氧化碳,在碱的催化下分解速度加快。
用途:氯甲酸三氯甲酯可用于合成多种医药中间体,如氧哌嗪青霉素、头孢哌酮、阿洛西林、美洛西林等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条