FigsharePub Date : 2016-02-29DOI: 10.1021/ic060568u.s002
Banglin Chen (1525054), Yu Yang (83671), Fatima Zapata (543662), Guodong Qian (1468855), Yongshi Luo (1616287), Jiahua Zhang (567192), Emil B. Lobkovsky (1377705)
{"title":"Enhanced Near-Infrared−Luminescence in an ErbiumnTetrafluoroterephthalate Framework","authors":"Banglin Chen (1525054), Yu Yang (83671), Fatima Zapata (543662), Guodong Qian (1468855), Yongshi Luo (1616287), Jiahua Zhang (567192), Emil B. Lobkovsky (1377705)","doi":"10.1021/ic060568u.s002","DOIUrl":"https://doi.org/10.1021/ic060568u.s002","url":null,"abstract":"Two erbium−organic frameworks Er<sub>2</sub>(BDC)<sub>3</sub>(DMF)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>·H<sub>2</sub>O (<b>1</b>) and Er<sub>2</sub>(BDC-F<sub>4</sub>)<sub>3</sub>(DMF)(H<sub>2</sub>O)·DMF (<b>2</b>) (BDC =n1,4-benzenedicarboxylate; BDC-F<sub>4</sub> = 2,3,5,6-tetrafluoro-1,4-benzenedicarboxylate or tetrafluoroterephthalate;nDMF = dimethylformamide) have been synthesized and structurally characterized. Studies on thermal gravimetricnanalysis and the spectroscopic and luminescent properties of <b>1</b>, <b>2</b>, and their desolvated solid Er<sub>2</sub>(BDC)<sub>3</sub> (<b>1a</b>) andnpartially desolvated solid Er<sub>2</sub>(BDC-F<sub>4</sub>)<sub>3</sub>(DMF)·DMF (<b>2a</b>) indicate that fluorination can significantly improve thenluminescence intensity of the Er ions by reducing the fluorescence quenching effect of the vibrational C−H bond;nthus, the near-IR−luminescence intensity of <b>2a</b> is 3 times higher than that of <b>1a</b>.","PeriodicalId":523328,"journal":{"name":"Figshare","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2016-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147914133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}