{"title":"通过功能单元的协同作用大大增强氟硅酸盐的双折射","authors":"Liang Ma, Yi-Lei Lv, Bing-Wei Miao, Guo-Ren Zhu, Wenlong Liu, Sheng-Ping Guo and Ru-Ling Tang","doi":"10.1039/D5QI00468C","DOIUrl":null,"url":null,"abstract":"<p >Short-wave ultraviolet optical crystals are widely used in various fields. Exploring organic–inorganic hybrid compounds is an effective approach for discovering crystal materials that simultaneously possess large band gaps and birefringence. In this work, two novel organic–inorganic hybrid fluorosilicates, (C<small><sub>2</sub></small>H<small><sub>7</sub></small>N<small><sub>4</sub></small>O)<small><sub>2</sub></small>SiF<small><sub>6</sub></small> and (C<small><sub>2</sub></small>H<small><sub>4</sub></small>N<small><sub>4</sub></small>)<small><sub>4</sub></small>ZnSiF<small><sub>6</sub></small>·H<small><sub>2</sub></small>O, were obtained. (C<small><sub>2</sub></small>H<small><sub>7</sub></small>N<small><sub>4</sub></small>O)<small><sub>2</sub></small>SiF<small><sub>6</sub></small> has the largest band gap among organic–inorganic hybrid fluorosilicates and a unique [(C<small><sub>2</sub></small>H<small><sub>7</sub></small>N<small><sub>4</sub></small>O)<small><sub>2</sub></small>SiF<small><sub>6</sub></small>]<small><sub>∞</sub></small> layered structure, while (C<small><sub>2</sub></small>H<small><sub>4</sub></small>N<small><sub>4</sub></small>)<small><sub>4</sub></small>ZnSiF<small><sub>6</sub></small>·H<small><sub>2</sub></small>O has the largest birefringence (0.282@0.546 μm) among reported organic–inorganic hybrid fluorosilicates. In addition, we systematically analyzed the structural and optical properties upon transformation from (C<small><sub>2</sub></small>H<small><sub>7</sub></small>N<small><sub>4</sub></small>O)<small><sub>2</sub></small>SiF<small><sub>6</sub></small> to (C<small><sub>2</sub></small>H<small><sub>4</sub></small>N<small><sub>4</sub></small>)<small><sub>4</sub></small>ZnSiF<small><sub>6</sub></small>·H<small><sub>2</sub></small>O.</p>","PeriodicalId":79,"journal":{"name":"Inorganic Chemistry Frontiers","volume":" 16","pages":" 4804-4811"},"PeriodicalIF":6.4000,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Greatly enhancing birefringence of fluorosilicates through the synergetic effect of functional units†\",\"authors\":\"Liang Ma, Yi-Lei Lv, Bing-Wei Miao, Guo-Ren Zhu, Wenlong Liu, Sheng-Ping Guo and Ru-Ling Tang\",\"doi\":\"10.1039/D5QI00468C\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p >Short-wave ultraviolet optical crystals are widely used in various fields. Exploring organic–inorganic hybrid compounds is an effective approach for discovering crystal materials that simultaneously possess large band gaps and birefringence. In this work, two novel organic–inorganic hybrid fluorosilicates, (C<small><sub>2</sub></small>H<small><sub>7</sub></small>N<small><sub>4</sub></small>O)<small><sub>2</sub></small>SiF<small><sub>6</sub></small> and (C<small><sub>2</sub></small>H<small><sub>4</sub></small>N<small><sub>4</sub></small>)<small><sub>4</sub></small>ZnSiF<small><sub>6</sub></small>·H<small><sub>2</sub></small>O, were obtained. (C<small><sub>2</sub></small>H<small><sub>7</sub></small>N<small><sub>4</sub></small>O)<small><sub>2</sub></small>SiF<small><sub>6</sub></small> has the largest band gap among organic–inorganic hybrid fluorosilicates and a unique [(C<small><sub>2</sub></small>H<small><sub>7</sub></small>N<small><sub>4</sub></small>O)<small><sub>2</sub></small>SiF<small><sub>6</sub></small>]<small><sub>∞</sub></small> layered structure, while (C<small><sub>2</sub></small>H<small><sub>4</sub></small>N<small><sub>4</sub></small>)<small><sub>4</sub></small>ZnSiF<small><sub>6</sub></small>·H<small><sub>2</sub></small>O has the largest birefringence (0.282@0.546 μm) among reported organic–inorganic hybrid fluorosilicates. In addition, we systematically analyzed the structural and optical properties upon transformation from (C<small><sub>2</sub></small>H<small><sub>7</sub></small>N<small><sub>4</sub></small>O)<small><sub>2</sub></small>SiF<small><sub>6</sub></small> to (C<small><sub>2</sub></small>H<small><sub>4</sub></small>N<small><sub>4</sub></small>)<small><sub>4</sub></small>ZnSiF<small><sub>6</sub></small>·H<small><sub>2</sub></small>O.</p>\",\"PeriodicalId\":79,\"journal\":{\"name\":\"Inorganic Chemistry Frontiers\",\"volume\":\" 16\",\"pages\":\" 4804-4811\"},\"PeriodicalIF\":6.4000,\"publicationDate\":\"2025-04-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Inorganic Chemistry Frontiers\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://pubs.rsc.org/en/content/articlelanding/2025/qi/d5qi00468c\",\"RegionNum\":1,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, INORGANIC & NUCLEAR\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Inorganic Chemistry Frontiers","FirstCategoryId":"92","ListUrlMain":"https://pubs.rsc.org/en/content/articlelanding/2025/qi/d5qi00468c","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}
Greatly enhancing birefringence of fluorosilicates through the synergetic effect of functional units†
Short-wave ultraviolet optical crystals are widely used in various fields. Exploring organic–inorganic hybrid compounds is an effective approach for discovering crystal materials that simultaneously possess large band gaps and birefringence. In this work, two novel organic–inorganic hybrid fluorosilicates, (C2H7N4O)2SiF6 and (C2H4N4)4ZnSiF6·H2O, were obtained. (C2H7N4O)2SiF6 has the largest band gap among organic–inorganic hybrid fluorosilicates and a unique [(C2H7N4O)2SiF6]∞ layered structure, while (C2H4N4)4ZnSiF6·H2O has the largest birefringence (0.282@0.546 μm) among reported organic–inorganic hybrid fluorosilicates. In addition, we systematically analyzed the structural and optical properties upon transformation from (C2H7N4O)2SiF6 to (C2H4N4)4ZnSiF6·H2O.
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