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Fluorescence property of ZnO nanoparticles and the interaction with bromothymol blue.

PubMed
Authors: Yue Q, Cheng J, Li G, Zhang K, Zhai Y, Wang L, Liu J

Year

2011

Paper ID

12339

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

114

Citations

26

Abstract

We synthesized ZnO quantum dots (QDs) simply in alcoholic solution, and investigated the interaction between ZnO QDs and bromothymol blue. The structural, morphological, size and spectral properties of ZnO QDs were studied. It was found that ZnO QDs were spherical nanoparticles in the crystal structure, and the average diameter of ZnO QDs was about 4.8 nm. The excitation and emission peaks were located at 346 nm and 520 nm, respectively, which were obtained on a common fluorophotometer. The quantum yield of ZnO QDs was obtained by using quinine sulfate as a reference reagent. In addition, the fluorescence of ZnO QDs can be quenched by bromothymol blue, and the quenching mechanism was proposed in a dynamic quenching mode.

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  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
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  • We synthesized ZnO quantum dots (QDs) simply in alcoholic solution, and investigated the interaction between ZnO QDs and bromothymol blue.

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References & Citation Signals

[1] DOI https://doi.org/10.1007/s10895-010-0789-8 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/21170671/

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