DataVXACS Applied Nano MaterialsPaper
journal article·2025-09-05

Interfacial Interactions in CdTe/MX (M = Zn, Cd, Sb, Bi; X = Te, Se, S, O) Nanoparticles: Implications for Glutathione Fluorescence Detection

Jingjie Yang, Liang Bian, Aiqin Wang, Xiaofeng Zhao, Temirlan Arslanov, Li Zeng, Bin Mu, Mianxin Song, Peng Liu, Xiaobin Gu

ACS Applied Nano Materials· Volume 8· Issue 35
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Source abstract

Abstract

In this work, a series of in situ-grown CdTe/MX (M = Zn, Cd, Sb, Bi; X = Te, Se, S, and O) nanoparticles were applied to monitor glutathione (γ- l -glutamyl- l -cysteinyl-glycine, GSH) via fluorescence spectroscopy based on its unique physicochemical and photoelectric properties. Special attention was paid to the effect of the energy level alignment on the fluorescence response of GSH at the CdTe/MX interface. In particular, the signals produced by the −SH group of GSH exhibited fluorescence enhancement and quenching. Both signal changes were due to the conduction and valence band alignments promoted by the CdTe/MX interface. Besides fluorescence response aspects, the interfacial interaction at the CdTe/MX interface was also shown to be crucial due to its role in charge transportation. Finally, the fluorescent detector based on the CdTe/CdO nanoparticles demonstrated excellent sensing performance with a detection limit up to 1 μM in the wide linear range, as well as acceptable stability. Therefore, this work provides insights into the rational combination of MX with CdTe and highlights the overlooked effect of the interfacial interaction on GSH detection.
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Research context

Nanomaterials

OpenAlex topics: Quantum Dots Synthesis And Properties · Nanocluster Synthesis and Applications · Chalcogenide Semiconductor Thin Films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Environment-friendly Energy Materials

Southwest University of Science and Technology

Key Laboratory of Ministry of Education for Solid Waste Treatment and Resource Recycle

Key Laboratory of Clay minerals of Gansu Province

Research Center of Resource Chemistry and Energy Materials

Amirkhanov Institute of Physics, Daghestan Federal Research Center

Russian Academy of Sciences

Hebei Key Laboratory of Green Development of Rock and Mineral Materials

Hebei GEO University

Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources

Qinghai Institute of Salt Lakes, Chinese Academy of Sciences

Funding

National Natural Science Foundation of China · The open fund of Hebei Key Laboratory of Green Development of Rockand Mineral Materials of Hebei GEO University · Jiangxi province introduces and trains high-level talents · The open fund of Key Laboratory of Clay Minerals of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences

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