@article{ART002845105},
author={Liu Rui and Zhang Yan and Piao Yingai and Meng Long-Yue},
title={Development of nitrogen-doped carbon quantum dots as fluorescent probes for highly selective and sensitive detection of the heavy-ion Fe3+},
journal={Carbon Letters},
issn={1976-4251},
year={2021},
volume={31},
number={4},
pages={821-829},
doi={10.1007/s42823-020-00222-1}
TY - JOUR
AU - Liu Rui
AU - Zhang Yan
AU - Piao Yingai
AU - Meng Long-Yue
TI - Development of nitrogen-doped carbon quantum dots as fluorescent probes for highly selective and sensitive detection of the heavy-ion Fe3+
JO - Carbon Letters
PY - 2021
VL - 31
IS - 4
PB - Korean Carbon Society
SP - 821
EP - 829
SN - 1976-4251
AB - Highly luminescent carbon quantum dots (CQDs) are developed as fuorescent probes for selective detection of the heavy-ion Fe3+, where the CQDs exhibit excellent nontoxicity, functionalizability, sensitivity, and selectivity. Biomass-based CQDs and nitrogen-doped CQDs (N-CQDs) are synthesized for the selective detection of Fe3+ by using H2O2 as an oxidant and polyetherimide (PEI) as a nitrogen precursor by a green hydrothermal synthesis method. The prepared CQDs and N-CQDs exhibit an elliptical morphology and with an average particle size of 7 and 4 nm, respectively, and emit blue photoluminescence at 445 and 468 nm under excitation at 367 and 343 nm, respectively. The CQDs and N-CQDs exhibit good water solubility because of the abundant hydroxyl and carboxyl/carbonyl groups and graphic/pyrrolic/pyridinic nitrogen on the surfaces, giving rise to a quantum yield of about 24.2% and 30.7%, respectively. Notably, the Matrimony vine-PEI-based CQDs exhibit excellent Fe3+ selectivity and sensitivity relative to the Matrimony vine-based CQDs due to complexation of the numerous phenolic hydroxyl groups and nitrogen-containing groups with Fe3+, leading to increased fuorescence quenching, which greatly improves the sensitivity of detection. The minimum detection limit was 2.22 µmol L−1 with a complexation constant of 44.7.
KW - N-doped carbon quantum dots · Matrimony vine · Polyetherimide · Fe ion detect
DO - 10.1007/s42823-020-00222-1
ER -
Liu Rui, Zhang Yan, Piao Yingai and Meng Long-Yue. (2021). Development of nitrogen-doped carbon quantum dots as fluorescent probes for highly selective and sensitive detection of the heavy-ion Fe3+. Carbon Letters, 31(4), 821-829.
Liu Rui, Zhang Yan, Piao Yingai and Meng Long-Yue. 2021, "Development of nitrogen-doped carbon quantum dots as fluorescent probes for highly selective and sensitive detection of the heavy-ion Fe3+", Carbon Letters, vol.31, no.4 pp.821-829. Available from: doi:10.1007/s42823-020-00222-1
Liu Rui, Zhang Yan, Piao Yingai, Meng Long-Yue "Development of nitrogen-doped carbon quantum dots as fluorescent probes for highly selective and sensitive detection of the heavy-ion Fe3+" Carbon Letters 31.4 pp.821-829 (2021) : 821.
Liu Rui, Zhang Yan, Piao Yingai, Meng Long-Yue. Development of nitrogen-doped carbon quantum dots as fluorescent probes for highly selective and sensitive detection of the heavy-ion Fe3+. 2021; 31(4), 821-829. Available from: doi:10.1007/s42823-020-00222-1
Liu Rui, Zhang Yan, Piao Yingai and Meng Long-Yue. "Development of nitrogen-doped carbon quantum dots as fluorescent probes for highly selective and sensitive detection of the heavy-ion Fe3+" Carbon Letters 31, no.4 (2021) : 821-829.doi: 10.1007/s42823-020-00222-1
Liu Rui; Zhang Yan; Piao Yingai; Meng Long-Yue. Development of nitrogen-doped carbon quantum dots as fluorescent probes for highly selective and sensitive detection of the heavy-ion Fe3+. Carbon Letters, 31(4), 821-829. doi: 10.1007/s42823-020-00222-1
Liu Rui; Zhang Yan; Piao Yingai; Meng Long-Yue. Development of nitrogen-doped carbon quantum dots as fluorescent probes for highly selective and sensitive detection of the heavy-ion Fe3+. Carbon Letters. 2021; 31(4) 821-829. doi: 10.1007/s42823-020-00222-1
Liu Rui, Zhang Yan, Piao Yingai, Meng Long-Yue. Development of nitrogen-doped carbon quantum dots as fluorescent probes for highly selective and sensitive detection of the heavy-ion Fe3+. 2021; 31(4), 821-829. Available from: doi:10.1007/s42823-020-00222-1
Liu Rui, Zhang Yan, Piao Yingai and Meng Long-Yue. "Development of nitrogen-doped carbon quantum dots as fluorescent probes for highly selective and sensitive detection of the heavy-ion Fe3+" Carbon Letters 31, no.4 (2021) : 821-829.doi: 10.1007/s42823-020-00222-1
