{"title":"Ag@硅氧倍半聚合物的合成及其对对硝基苯酚的催化还原性能。 Ag@Silsequioxanes: Synthesis and Its Catalytic Reduction Performance for p-Nitrophenol","authors":"吴洪花,祖凤华,付山,董晓龙,李素云,义建军,郝海军,徐庆红","doi":"10.11862/cjic.2021.225","DOIUrl":null,"url":null,"abstract":"以氨丙基三乙氧基硅烷和草酰氯为原料,合成得到链上含亚氨基和羰基官能团的硅氧倍半聚合物。以此聚合物为载体,通过配位吸附和还原得到银纳米粒子(平均粒径约为15 nm)高度分散于硅氧烷聚合物表面的复合物。研究结果表明,复合物中银负载量(质量分数)约为13.66%,在水溶液中25℃、6 min内可将对硝基苯酚(4-NP)完全催化还原为对氨基苯酚(4-AP),且7次循环使用后依然保持95%以上的催化活性。在常温常压条件下,催化剂的最高活性达到33.0 g4-AP·gAg-1,表现出优异的催化还原性能。","PeriodicalId":501515,"journal":{"name":"无机化学学报","volume":"8 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"无机化学学报","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.11862/cjic.2021.225","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}