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光热增强光催化性能二氧化钛(B)/玻纤布复合研究 被引量:3
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作者 朱本必 张旺 +3 位作者 张志坚 章建忠 imran zada 张荻 《无机材料学报》 SCIE EI CAS CSCD 北大核心 2019年第9期961-966,共6页
以玻璃纤维布为基底,以TiH2为原料,通过简易的化学合成及溶胶–凝胶法制备了光热增强光催化性能的二氧化钛(B)/玻璃纤维布复合材料(B-T/GFC)。通过XRD、SEM和TEM检测合成材料的成分、结构和形貌,采用分光光度计、光学接触角测量仪、太... 以玻璃纤维布为基底,以TiH2为原料,通过简易的化学合成及溶胶–凝胶法制备了光热增强光催化性能的二氧化钛(B)/玻璃纤维布复合材料(B-T/GFC)。通过XRD、SEM和TEM检测合成材料的成分、结构和形貌,采用分光光度计、光学接触角测量仪、太阳光模拟器对材料的性能进行了系统研究。结果表明:该复合材料表面形成了锐钛矿晶型的黑色TiO2薄膜,且晶体中存在厚度约为1 nm的无序层。同时该复合材料在250~2000 nm波长范围内具有较强的光吸收能力,且具有强疏水性;在1个太阳光强度下(1kW/m2),相对于玻璃纤维布具有更强的光热能力;其光催化降解切削废液中有机污染物(COD)的能力优于黑色TiO2(B-T)和P25,光照2 h的降解率约为P25的2.3倍。由此可见, B-T/GFC复合材料具有优异的光热增强光催化性能,具有广阔的应用前景。 展开更多
关键词 黑色二氧化钛 溶胶-凝胶法 光热 光催化
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Synthesis and Applications of Porous Glass
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作者 ZHU Benbi ZHANG Zhijian +4 位作者 ZHANG Wang WU Yu ZHANG Jianzhong imran zada ZHANG Di 《Journal of Shanghai Jiaotong university(Science)》 EI 2019年第6期681-698,共18页
Porous materials have received significant attention for catalyst,electrochemical energy storage,sensing and compound capture.Large surface area and connected inner channel make porous materials outstanding in the app... Porous materials have received significant attention for catalyst,electrochemical energy storage,sensing and compound capture.Large surface area and connected inner channel make porous materials outstanding in the applications of catalyst,batteries and biomedicine.Glass is a traditional material and has the advantages of high stability and other physical properties.By combining the advantages of porous materials and glass,porous glass has been researched widely and applied to many leading-edge fields,such as batteries and sensors.This review presents common methods for synthesizing porous glass,including phase separation process(PSP),direct leaching process(DLP)of acid,sintering and so on.Three main steps for fabrication of each process are concluded.The recent applications are support,capturer and matter transport,and they are highlighted in this review.Future directions for preparing these materials are also discussed. 展开更多
关键词 porous glass ordered structure hierarchical structure
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