NIMTE OpenIR  > 2018专题
Red emitting and highly stable carbon dots with dual response to pH values and ferric ions
Sun, Yuanqing; Wang, Xiaojie; Wang, Chan; Tong, Dingyi; Wu, Qian; Jiang, Kaili; Jiang, Yingnan; Wang, Chuanxi; Yang, Minghui
2018
发表期刊MICROCHIMICA ACTA
卷号185期号:1
摘要The authors describe strongly red-emitting carbon dots (CDs) which were obtained via microwave synthesis using phenylenediamine as the carbon source. The structural and optical properties of the resultant CDs are studied in some detail. The CDs possess (a) longwave emission (peaking at 620 nm under 470 nm excitation), (b) a quantum yield of similar to 15%, (c) a size of typically 3.8 nm; and (d) good photostability. The CDs have a pH-dependet response that covers the pH 5 to 10 range, and their fluorescence is quenched by ferric ions. The CDs can detect ferric ions in aqueous samples in the 0 to 30 mu M concentration range with a lower detection limit of 15 nM. The CDs were also used to image pH values and ferric ions in E. coli bacteria.
关键词Graphene Quantum Dots Full-color Emission Living Cells Organic-synthesis Scale Synthesis Green Synthesis Fluorescent Nanodots Luminescence Enhancement
学科领域Chemistry
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/16932
专题2018专题
推荐引用方式
GB/T 7714
Sun, Yuanqing,Wang, Xiaojie,Wang, Chan,et al. Red emitting and highly stable carbon dots with dual response to pH values and ferric ions[J]. MICROCHIMICA ACTA,2018,185(1).
APA Sun, Yuanqing.,Wang, Xiaojie.,Wang, Chan.,Tong, Dingyi.,Wu, Qian.,...&Yang, Minghui.(2018).Red emitting and highly stable carbon dots with dual response to pH values and ferric ions.MICROCHIMICA ACTA,185(1).
MLA Sun, Yuanqing,et al."Red emitting and highly stable carbon dots with dual response to pH values and ferric ions".MICROCHIMICA ACTA 185.1(2018).
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