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Updated: Feb 4, 2026
10:44
Preparation of Carbon Nanosheets at Room Temperature
Published on: March 8, 2016
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Solution-Processable Two-Dimensional In2 Se3 Nanosheets as Efficient Photothermal Agents for Elimination of Bacteria
Chunli Zhu1, Haijing Shen1, Haoyang Liu1
1Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P.R. China.
Chemistry (Weinheim an Der Bergstrasse, Germany)
|October 4, 2018
Summary
Researchers developed a scalable solvent exfoliation method to produce two-dimensional (2D) indium selenide (In2Se3) nanosheets. These 2D In2Se3 materials show promising near-infrared photothermal and antibacterial properties for biological applications.
Area of Science:
- Materials Science
- Nanotechnology
- Optoelectronics
Background:
- Two-dimensional (2D) nanoflakes offer unique properties for optoelectronics.
- Challenges exist in large-scale production and exploring biological applications of 2D materials.
- Indium selenide (In2Se3) is a promising 2D material with limited exploration.
Purpose of the Study:
- To develop a scalable method for producing 2D In2Se3 nanosheets.
- To characterize the structural and phase properties of the synthesized In2Se3 nanosheets.
- To investigate the photothermal and antibacterial potential of 2D In2Se3 nanosheets.
Main Methods:
- Solvent exfoliation technique for large-scale production of 2D In2Se3 nanosheets.
- Transmission electron microscopy (TEM) and atomic force microscopy (AFM) for morphological characterization.
- Raman spectroscopy and X-ray diffractometry (XRD) for phase identification.
Main Results:
- Successfully synthesized large quantities of 2D In2Se3 nanosheets with controlled lateral sizes and thicknesses (2-17 layers).
- Confirmed the α phase of the In2Se3 nanosheets using Raman and XRD.
- Demonstrated excellent near-infrared (NIR) photothermal performance and significant antibacterial effects under laser irradiation.
Conclusions:
- The solvent exfoliation method provides an effective route for scalable production of 2D In2Se3 nanosheets.
- The α-In2Se3 nanosheets exhibit promising photothermal properties.
- These findings highlight the potential of α-In2Se3 nanosheets as photothermal antibacterial agents for biological applications.
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