聚乙烯吡咯烷酮修饰的CdS纳米晶多元醇合成、表征和可见光活性.pdf

第24卷第4期 无 机 化 学 学 报 V01．24No．4 2008年4月 CHINESEJOURNALOFINORGANICCHEMISTRY 605。609 聚乙烯吡咯烷酮修饰的CdS纳米晶：多元醇合成、表征和可见光活性 陈崇启 詹瑛瑛 郑远辉 林性贻 郑 起★ (福州大学化肥催化剂国家工程研究中心，福州 350002) 显提高。 关键词：溶剂热；PVP修饰的CdS纳米晶；半导体；可见光催化 中图分类号：0614．242文献标识码：A 文章编号2008)04-0605．05 CdS Poly(N-vinyl-2-pyrrolidone)一cappedNanocrystals： and PolyolSynthesis，Characterization Visible—HghtPhotocatalysis CHEN ZHAN ZHENGYuan-HuiLIN ZHENG Chong-QiYing—Ying Xing—Yi Qi+ ResearchCenterChemicalFertilizer (Nat／ondEngineering of Catalyst,FuzhouUniversity,Fuzhou350002) CdS withdifferent sizeswere Abstract：Poly(N-vinyl··2··pyrrolidone)··cappednanocrystals crystalline synthesized a selvothermal throughsimple method．Thestructuresofthe werecharacterizedbvXRD，N2 as．synthesizedsamples UV—Vis results showthatthe are physisorption，TEM，IRspectroscopy。andspectroscopy．111e as．synthesizedsamples CdS sizeofCdS issmallerwhen poly(N-vinyl·2-pyrrolidone)-cappednanohybridmaterials；the grain nanocrystals tetramethylammonium introducedinthereaction addition．itiSalSOfoundthatthe hydroxide(TMAH)iS system．In ofCdS isblueshiftedandthe bandgapnanocrystals visible-light ofthe in