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Near‐Infrared Luminescent Ternary Ag3SbS3 Quantum Dots by in situ Conversion of Ag Nanocrystals with Sb(C9H19COOS)3
Chemistry - A European Journal ( IF 3.9 ) Pub Date : 2018-11-26 , DOI: 10.1002/chem.201804800
Qiumei Di 1 , Juwen Wang 1 , Zhengjing Zhao 1 , Jiajia Liu 1 , Meng Xu 1 , Jia Liu 1 , Hongpan Rong 1 , Wenxing Chen 1 , Jiatao Zhang 1
Affiliation  

Differently from the normal three single precursor method to produce colloidal ternary quantum dots (QDs), herein ternary Ag3SbS3 quantum dots (QDs) with efficient near‐infrared (NIR) luminescence have been prepared by a new facile in situ conversion of Ag nanocrystals (NCs) with a binary Sb/S organic precursor Sb(C9H19COOS)3 under low temperature. The unprecedented construction evolution from Ag NCs to Ag3SbS3/Ag hetero‐structure and final monodisperse Ag3SbS3 QDs has been demonstrated. These novel Ag3SbS3 QDs exhibit efficient NIR emission at ≈1263 nm and possess high colloidal stability.

中文翻译:

Ag纳米晶体与Sb(C9H19COOS)3原位转化的近红外发光三元Ag3SbS3量子点

与产生胶体三元量子点(QD)的普通三单前驱体方法不同,本文通过新的便捷的Ag原位制备方法制备了具有有效近红外(NIR)发光的三元Ag 3 SbS 3量子点(QD)。低温下具有二元Sb / S有机前驱体Sb(C 9 H 19 COOS)3的纳米晶体(NCs)。已经证明了从Ag NCs到Ag 3 SbS 3 / Ag异质结构以及最终的单分散Ag 3 SbS 3 QD的前所未有的结构演变。这些新颖的Ag 3 SbS 3 量子点在≈1263nm处显示出有效的近红外发射,并具有很高的胶体稳定性。
更新日期:2018-11-26
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