Near-infrared-emitting colloidal Ag₂S quantum dots exhibiting upconversion luminescence

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• 作者：Yanyan Zhang^a ; Danyu Jiang^b ; Wei Yang^a ; Dandan Wang^a ; Huiping Zheng^a ; Yuansheng Du^a ; Xi Li^a ; Qiang Li^a ; ^{qli@chemecnu.edu.cn}
• 关键词：Quantum dots ; Upconversion ; Near-infraed emission ; Surface ; Two photon absorption
• 刊名：Superlattices and Microstructures
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：102
• 期：Complete
• 页码：512-516
• 全文大小：881 K
• 卷排序：102

文摘

Near-Infrared-Emitting Ag2S Quantum Dots Exhibit Upconversion Luminescence (UCL). The UCL phenomena could be easily controlled by a dilution process. The upconversion mechanism is explained by two-photon-assisted absorption process.