期刊
MATERIALS RESEARCH BULLETIN
卷 48, 期 4, 页码 1728-1731出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2012.12.010
关键词
Amorphous materials; Optical materials; Chemical synthesis; Luminescence
Preparing high photoluminescent carbon nanodots (CNDs) by facile and low-cost processes have received considerable research interest. In this paper, high photoluminescent nitrogen-containing CNDs have been synthesized by one-step hydrothermal treatment of the pipe tobacco. The dispersion of these CNDs shows a strong blue luminescent emission with a max peak at 450 nm when it is excited at 369 nm. The as-made CNDs can sensitively and selectively detect Cu2+ ions compared with Ca2+, Mn2+, Zn2+, Cd2+, Pb2+ ions, which offers a novel sensing platform for the detection of Cu2+ ions. (C) 2012 Elsevier Ltd. All rights reserved.
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