Green synthesis of fluorescent carbon quantum dots and carbon spheres from pericarp  

作　　者：Wei Du Xiaoqian Xu Han Hao Rongmei Liu Di Zhang Feng Gao Qingyi Lu 

机构地区：[1]State Key Laboratory of Coordination Chemistry [2]Nanjing National Laboratory of Microstructures [3]Coordination Chemistry Institute, Nanjing University [4]Department of Materials Science and Engineering, Nanjing University [5]College of Biological and Chemical Engineering, Anhui Polytechnic University

出　　处：《Science China Chemistry》2015年第5期863-870,共8页中国科学（化学英文版）

基　　金：supported by the National Basic Research Program of China(2013CB922102,2011CB935800);the National Natural Science Foundation of China(21071076,51172106,21021062)

摘　　要：An economical idea was developed to synthesize fluorescent carbon quantum dots （CQDs） directly fl-om the refluxing extraction of orange pericarp via a hydrothermal technique. Hydrothermal temperatures and times were adjusted to control the particle sizes and the quantum yields of the obtained CQDs. The as-prepared carbon quantum dots showed narrow particle size distribution, good water solubility, and acceptable fluorescence lifetimes. Due to their high stability, these obtained carbon quantum dots have great application potential in nano-biotechnology. Furthermore, carbon spheres with uniform morphology and size can be easily obtained as the reaction byproducts of this green synthesis process.An economical idea was developed to synthesize fluorescent carbon quantum dots(CQDs) directly from the refluxing extraction of orange pericarp via a hydrothermal technique. Hydrothermal temperatures and times were adjusted to control the particle sizes and the quantum yields of the obtained CQDs. The as-prepared carbon quantum dots showed narrow particle size distribution, good water solubility, and acceptable fluorescence lifetimes. Due to their high stability, these obtained carbon quantum dots have great application potential in nano-biotechnology. Furthermore, carbon spheres with uniform morphology and size can be easily obtained as the reaction byproducts of this green synthesis process.

关 键 词：carbon quantum dots carbon sphere green synthesis FLUORESCENCE 

分 类 号：O613.71[理学—无机化学]