Sökning: onr:"swepub:oai:DiVA.org:umu-203971" > Sulfur quantum dot ...
Fältnamn | Indikatorer | Metadata |
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000 | 03941naa a2200457 4500 | |
001 | oai:DiVA.org:umu-203971 | |
003 | SwePub | |
008 | 230124s2023 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-2039712 URI |
024 | 7 | a https://doi.org/10.1016/j.jlumin.2023.1196932 DOI |
040 | a (SwePub)umu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Liu, Yong-fengu Umeå universitet,Institutionen för fysik,College of Physical Science and Technology, Yangzhou University, Yangzhou, China; Microelectronics Industry Research Institute, Yangzhou University, Jiangsu, Yangzhou, China4 aut0 (Swepub:umu)yoli0007 |
245 | 1 0 | a Sulfur quantum dot as a fluorescent nanoprobe for Fe3+ ions :b Uncovering of detection mechanism, high sensitivity, and large detection range |
264 | 1 | b Elsevier,c 2023 |
338 | a electronic2 rdacarrier | |
520 | a Sulfur quantum dots (SQDs), as a novel metal-free fluorescent material, are getting increasingly tremendous attention in metal ion detection, especially for Fe3+, due to the merits of antimicrobial potential, low toxicity, and exciting optoelectronic properties. However, sensing mechanism of SQD based fluorescent probe for Fe3+ is not clear yet, and high sensitivity and large detection range remain a challenge. Here, we report the synthesis of hydrophilic SQDs as a fluorescent nanoprobe for Fe3+ via a fluorescent turn-off mode. We systematically studied the quenching mechanism by ultraviolet–visible absorption spectra, steady-state and time-resolved photoluminescent spectra, and temperature-dependent quenching constants. Results unclearly evidenced the quenching behavior to both inner filter effect and static quenching. Furthermore, the nanoprobe presents a large detection range from 2.5 to 700 μM and a limit of detection low to 53.6 nM, both of which are the record performance to our knowledge. At last, it shows high selectivity toward Fe3+ and presents no ionic strength effect in the range of investigation, which enables surprising results for Fe3+ detection in deionized water with interference ion and real water samples. | |
650 | 7 | a NATURVETENSKAPx Fysikx Atom- och molekylfysik och optik0 (SwePub)103022 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Atom and Molecular Physics and Optics0 (SwePub)103022 hsv//eng |
653 | a Detection mechanism | |
653 | a Fe3+ detection | |
653 | a Fluorescent quenching | |
653 | a Inner filter effect | |
653 | a Static quenching | |
653 | a Sulfur quantum dots | |
700 | 1 | a Shao, Xiuwenu College of Physical Science and Technology, Yangzhou University, Yangzhou, China4 aut |
700 | 1 | a Gao, Zhaojuu College of Physical Science and Technology, Yangzhou University, Yangzhou, China4 aut |
700 | 1 | a Zhu, Xiaolinu College of Physical Science and Technology, Yangzhou University, Yangzhou, China4 aut |
700 | 1 | a Pan, Zhangchengu College of Physical Science and Technology, Yangzhou University, Yangzhou, China4 aut |
700 | 1 | a Ying, Yupengu College of Physical Science and Technology, Yangzhou University, Yangzhou, China4 aut |
700 | 1 | a Yang, Jinpengu College of Physical Science and Technology, Yangzhou University, Yangzhou, China4 aut |
700 | 1 | a Pei, Weiu College of Physical Science and Technology, Yangzhou University, Yangzhou, China4 aut |
700 | 1 | a Wang, Jiau Umeå universitet,Institutionen för fysik4 aut0 (Swepub:umu)jiwa0007 |
710 | 2 | a Umeå universitetb Institutionen för fysik4 org |
773 | 0 | t Journal of Luminescenced : Elsevierg 257q 257x 0022-2313x 1872-7883 |
856 | 4 | u https://umu.diva-portal.org/smash/get/diva2:1730162/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-203971 |
856 | 4 8 | u https://doi.org/10.1016/j.jlumin.2023.119693 |
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