方沸石
纳米团簇
沸石
发光
光致发光
材料科学
纳米复合材料
化学工程
溶解
吸附
紫外线
光化学
纳米技术
光电子学
化学
有机化学
工程类
催化作用
作者
Huanrong Li,Xinle Tian,Di Zhao,Yige Wang,Huanrong Li
出处
期刊:ACS applied nano materials
[American Chemical Society]
日期:2022-08-30
卷期号:5 (9): 13332-13340
被引量:7
标识
DOI:10.1021/acsanm.2c03013
摘要
Luminescent silver nanocluster zeolite composites have aroused intensive attention of the research community because of their outstanding optical performances. Herein we report one such luminescent nanocomposite by assembling silver nanoclusters within the analcime (ANA) zeolite by sonicating the silver-exchanged ANA zeolites in the presence of an appropriate amount of terephthalic acid (TPA). The addition of TPA can prevent the formation of larger nonluminescent silver nanoparticles (Ag NPs), increase the photoluminescence quantum yield, and adjust the emission color of the resulting luminescent composites, varying from orange to yellow to white via changes in the TPA concentration. It is believed that the TPA molecules added during the synthesis process favor the dissolution of large nonluminous Ag NPs formed on the surface of the zeolite, leading to a significant decrease in both the number and size of the Ag NPs. In addition, a warm-white light-emitting device was fabricated by integrating the composites on a near-ultraviolet 365 nm chip. Our method might demonstrate a perspective for the rational synthesis of luminescent silver nanoclusters.
科研通智能强力驱动
Strongly Powered by AbleSci AI