Red Emitting Solid-State CDs/PVP with Hydrophobicity for Latent Fingerprint Detection
Abstract
:1. Introduction
2. Experimental
2.1. Materials
2.2. Synthesis of Carbon Dots
2.3. Preparation of CDs/PVP
2.4. Visualization of Latent Fingerprints
2.5. Characterization
3. Results and Discussion
3.1. Effects of Molar Ratio and Concentration on CDs Synthesis
3.2. Morphology and Microstructure Analysis
3.3. Optical Property Studies
3.4. Application in Latent Fingerprint Detection
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Mole Ratio of Reagents (OPDA:Phthalic Acid) | Mass Ratio of Reagents (OPDA:Phthalic Acid) | Reaction Conditions | Optimal Emission Wavelength (nm) |
---|---|---|---|
2:1 | 0.504:0.415 g | 200 °C, 6 h | 569 |
3:1 | 0.81:0.415 g | 200 °C, 6 h | 597 |
4:1 | 1.08:0.415 g | 200 °C, 6 h | 569 |
5:1 | 0.45:0.14 g | 200 °C, 6 h | 569 |
5:1 | 1.35:0.415 g | 200 °C, 6 h | 649 |
5:1 | 2.16:0.83 g | 200 °C, 6 h | 649 |
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Zhang, Z.; Han, Z.; Ding, S.; Jing, Y.; Wei, Z.; Zhang, D.; Hong, R.; Tao, C. Red Emitting Solid-State CDs/PVP with Hydrophobicity for Latent Fingerprint Detection. Materials 2024, 17, 1917. https://doi.org/10.3390/ma17081917
Zhang Z, Han Z, Ding S, Jing Y, Wei Z, Zhang D, Hong R, Tao C. Red Emitting Solid-State CDs/PVP with Hydrophobicity for Latent Fingerprint Detection. Materials. 2024; 17(8):1917. https://doi.org/10.3390/ma17081917
Chicago/Turabian StyleZhang, Zhihong, Zhaoxia Han, Shuhui Ding, Yujing Jing, Zhenjie Wei, Dawei Zhang, Ruijin Hong, and Chunxian Tao. 2024. "Red Emitting Solid-State CDs/PVP with Hydrophobicity for Latent Fingerprint Detection" Materials 17, no. 8: 1917. https://doi.org/10.3390/ma17081917