Preparation of red solid carbon quantum dots and its application in fingerprint detection

Zhijin YANG; Zhaoxia HAN; Zhihong ZHANG; Shuhui DING; Dawei ZHANG; Ruijin HONG; Chunxian TAO; Hui LIN; Xueke XU

doi:10.3969/j.issn.1005-5630.2023.003.006

Optical Instruments, Volume. 45, Issue 3, 37(2023)

Preparation of red solid carbon quantum dots and its application in fingerprint detection

Zhijin YANG1... Zhaoxia HAN1,2,3,*, Zhihong ZHANG1, Shuhui DING1, Dawei ZHANG1,2,3, Ruijin HONG1,2,3, Chunxian TAO1,2,3, Hui LIN1,2,3 and Xueke XU4 |Show fewer author(s)

Author Affiliations

¹School of Optical-Electrical and Computer Engineering , University of Shanghai for Science and Technology, Shanghai, 200093, China

²Engineering Research Center of Optical Instrument and System, University of Shanghai for Science and Technology, Shanghai, 200093, China

³Shanghai Key Laboratory of Modern Optics System, University of Shanghai for Science and Technology, Shanghai, 200093, China

⁴Hengmai Optical Precision Machinery (Hangzhou) Co., Ltd., Hangzhou , 311421, China

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Figures & Tables(8)

Fig. 1. Synthesis of red solid carbon dots and photographs under UV-natural light

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Fig. 2. TEM and particle size distribution images of red CQDs

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Fig. 3. XRD pattern and Raman spectrum of the red CQDs

Fig. 4. FTIR spectra

Fig. 5. XPS spectra of the red CQDs

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Fig. 6. Absorption spectra, emission spectra and fluorescence lifetime decay curves

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Fig. 7. Enhanced images and details of latent fingerprints on different substrates

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Fig. 8. Identification of latent fingerprints

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Zhijin YANG, Zhaoxia HAN, Zhihong ZHANG, Shuhui DING, Dawei ZHANG, Ruijin HONG, Chunxian TAO, Hui LIN, Xueke XU. Preparation of red solid carbon quantum dots and its application in fingerprint detection[J]. Optical Instruments, 2023, 45(3): 37

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Paper Information

Category: APPLICATION TECHNOLOGY

Received: Mar. 11, 2023

Accepted: --

Published Online: Jul. 25, 2023

The Author Email: HAN Zhaoxia (zxhan@usst.edu.cn)

DOI:10.3969/j.issn.1005-5630.2023.003.006

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

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