作者
Yang Liu, Yanan Liu, Soo-Jin Park, Yifan Zhang, Taewoo Kim, Suhyeong Chae, Mira Park, Hak-Yong Kim
发表日期
2015
期刊
Journal of Materials Chemistry A
卷号
3
期号
34
页码范围
17747-17754
出版商
Royal Society of Chemistry
简介
Robust and highly fluorescent N-doped carbon dots (CDs) are obtained from a hybrid source, alginic acid and ethanediamine. During a hydrothermal process, the raw materials are propelled to form nano-sized particles; these resultant CDs possess desirable functional groups on the particle surface. We have further investigated their optical performance under various pH conditions as well as their capacity for sensing metal ions. The N-doped CDs especially exhibit remarkable acid-evoked fluorescence enhancement under acidic conditions. Finally, the as-prepared CDs are tested for their ability to detect Fe3+ in acidic pure water and urban river water media, and the fluorescence-quenching mechanism and recovery properties of the CD/Fe3+ mixture are also investigated.
学术搜索中的文章
Y Liu, Y Liu, SJ Park, Y Zhang, T Kim, S Chae, M Park… - Journal of Materials Chemistry A, 2015