Citation: Siting Cai, Xiang Chen, Shuli Wang, Xinqin Liao, Zhong Chen, Yue Lin. Silica coating of quantum dots and their applications in optoelectronic fields[J]. Chinese Chemical Letters, ;2025, 36(6): 110798. doi: 10.1016/j.cclet.2024.110798 shu

Silica coating of quantum dots and their applications in optoelectronic fields

Siting Cai ^a ,
Xiang Chen ^a ,
Shuli Wang ^{a, *,} ,
Xinqin Liao ^{a, c, *,} ,
Zhong Chen ^{a, b, c} ,
Yue Lin ^{a, c, *,}

a.
Fujian Engineering Research Center for Solid-State Lighting, Department of Electronic Science, School of Electronic Science and Engineering, Xiamen University, Xiamen 361005, China
b.
State Key Laboratory of Physical Chemistry of Solid Surface, Xiamen University, Xiamen 361005, China
c.
Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361102, China

Received Date: 10 November 2024
Revised Date: 20 December 2024
Accepted Date: 23 December 2024
Available Online: 26 December 2024

Figures(9)

Quantum dots (QDs), a type of nanoscale semiconductor material with unique optical and electrical properties like adjustable emission and high photoluminescence quantum yields, are suitable for applications in optoelectronics. However, QDs are typically degraded under humid and high-temperature circumstances, greatly limiting their practical value. Coating the QD surface with an inorganic silica layer is a feasible method for improving stability and endurance in a variety of applications. This paper comprehensively reviews silica coating methodologies on QD surfaces and explores their applications in optoelectronic domains. Firstly, the paper provides mainstream silica coating approaches, which can be divided into two categories: in-situ hydrolysis of silylating reagents on QD surfaces and template techniques for encapsulation QDs. Subsequently, the recent applications of the silica-coated QDs on optoelectronic fields including light-emitting diodes, solar cells, photodetectors were discussed. Finally, it reviews recent advances in silica-coated QD technology and prospects for future applications.
- Silica-coating,
- Quantum dots,
- Light-emitting diodes,
- Solar cells,
- Photodetector
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