%0 Journal Article %T One-step preparation of nitrogen-doped and surface-passivated carbon quantum dots with high quantum yield and excellent optical properties %A Liu, Jing %A Liu, Xinling %A Luo, Hongjie %A Gao, Yanfeng %J RSC Advances %V 4 %N 15 %P 7648-7654 %D 2014-01-16 %I The Royal Society of Chemistry %~ DeepDyve