Synthesis of highly efficient azure-to-blue-emitting Zn–Cu–Ga–S quantum dots. Issue 29 (28th March 2017)

• Record Type: Journal Article
• Authors: Kim, Bu-Yong; Kim, Jong-Hoon; Lee, Ki-Heon; Jang, Eun-Pyo; Han, Chang-Yeol; Jo, Jung-Ho; Jang, Ho Seong; Yang, Heesun
• Is Part Of: Chemical communications. Volume 53:Issue 29(2017)
• Page Start: 4088
• Page End: 4091
• Publication Date: 2017-03-28
• Subjects: Chemistry -- Periodicals; 540
• DOI: 10.1039/c7cc00952f
• Languages: English
• ISSNs: 1359-7345

Abstract

Abstract : Non-Cd, azure-to-blue-emitting Zn–Cu–Ga–S/ZnS quantum dots with exceptional quantum yields of 78–83% are synthesized. Abstract : To realize blue emission-capable non-Cd I–III–VI quantum dots (QDs), we explore the synthesis of ternary Cu–Ga–S (CGS) QDs and subsequent quaternary Zn–Cu–Ga–S (ZCGS) via Zn alloying into a CGS host. The resulting ZCGS/ZnS core/shell QDs possess not only Zn content-dependent tunable emissions in the azure-to-blue range but also exceptional quantum yields of 78–83%.