Applications of Carbon Dots (CDs) in Latent Fingerprints Imaging

Shabashini, Arivalagan; Panja, Sumit Kumar; Nandi, Ganesh Chandra

doi:10.1002/asia.202100119

Cited by 32 publications

(22 citation statements)

References 79 publications

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“…In recent years, carbon dots (CDs) have extensively attracted much attention as the new generation of luminescent materials owing to their particular photoluminescence (PL) nature, prominent biocompatibility, and low cost. , After Fernandes and his co-workers first used CD/silica hybrid nanopowders in a proof-of-concept demonstration of fingerprint recovery in 2015, the unique superiority of CDs in LFP imaging attracted global attention and related studies continually emerged over the years. − Generally, CDs used for LFP imaging can be divided into two categories: solution or powder forms. Although both of them have exhibited decent performance, there are still many inadequacies that hinder further utilization of CDs in LFP imaging.…”

Section: Introductionmentioning

confidence: 99%

Carbon Dot Powders with Cross-Linking-Based Long-Wavelength Emission for Multicolor Imaging of Latent Fingerprints

Wang

Huang

Ding

et al. 2022

ACS Appl. Nano Mater.

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A simple and convenient preparation of multicolor carbon dot (CD) solutions was proposed using neutral red as the carbon and nitrogen sources by a layering and extraction procedure. After poly(vinylpyrrolidone) (PVP) as the cross-linking agent was doped into as-prepared solutions, red-, orange-, and yellow-emitting CD powders were finally fabricated with solid-state fluorescence quantum (QY) yields of 6.33, 16.5, and 43.6%, respectively. Through studies of surface functional groups and photoluminescence (PL) property compared with solution and powder states of CDs, the cross-linking effect emission (CEE) brought by PVP was confirmed in charge of the high solid-state QY of CD powders. In addition, the conjugate structure of neutral red and increasing hydrophobicity are believed to be responsible for the long-wavelength emission of CD powders. Notably, multicolor imaging of latent fingerprints (LFPs) was successfully achieved on complex background surfaces under 365 nm UV illumination. As a result, these carbon-based phosphors are promising in forensic investigation, bioimaging, and sensing fields.

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Section: Introductionmentioning

confidence: 99%

Carbon Dot Powders with Cross-Linking-Based Long-Wavelength Emission for Multicolor Imaging of Latent Fingerprints

Wang

Huang

Ding

et al. 2022

ACS Appl. Nano Mater.

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show abstract

“…After being dried, fingerprints can be visualized with UV flashlight within a frequency around 395–400 nm. G-CDs method, SiO 2 @ C-dot powder, N, S-SFCD method and carbon polymer dots (CPDs) starch powder were successfully used for the detection of latent fingerprints [ 165 , 166 ].…”

Section: Emerging Applications Of Carbon Dotsmentioning

confidence: 99%

Advances in the Methods for the Synthesis of Carbon Dots and Their Emerging Applications

et al. 2021

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Cutting-edge technologies are making inroads into new areas and this remarkable progress has been successfully influenced by the tiny level engineering of carbon dots technology, their synthesis advancement and impressive applications in the field of allied sciences. The advances of science and its conjugation with interdisciplinary fields emerged in carbon dots making, their controlled characterization and applications into faster, cheaper as well as more reliable products in various scientific domains. Thus, a new era in nanotechnology has developed into carbon dots technology. The understanding of the generation process, control on making processes and selected applications of carbon dots such as energy storage, environmental monitoring, catalysis, contaminates detections and complex environmental forensics, drug delivery, drug targeting and other biomedical applications, etc., are among the most promising applications of carbon dots and thus it is a prominent area of research today. In this regard, various types of carbon dot nanomaterials such as oxides, their composites and conjugations, etc., have been garnering significant attention due to their remarkable potential in this prominent area of energy, the environment and technology. Thus, the present paper highlights the role and importance of carbon dots, recent advancements in their synthesis methods, properties and emerging applications.

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“…After dried, fingerprints can be visualized with UV flashlight within a frequency around 395-400 nm. G-CDs method, SiO2@ C-dot powder, N, S-SFCD method and Carbon polymer dots (CPDs)-starch powder successfully used for the detection of latent fingerprints [165,166].…”

Section: Finger Print Recoverymentioning

confidence: 99%

State of Art Technology: Synthesis of Carbon Dots and Their Potential Applications in Biomedical, Research and Environmental Remediation

Khayal¹,

Dawane²,

Yadav³

et al. 2021

Preprint

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Cutting-edge technologies are intensifying into new skylines and this remarkable progress has been successfully influenced by the tiny level engineering of carbon dots technology, their syn-thesis advancement and impressive applications in the field of allied sciences. The advances of science and its conjugation with interdisciplinary fields emerged in carbon dots making, their controlled characterization and applications into faster, cheaper as well as more reliable prod-ucts in various scientific domains. Thus, a new era in nanotechnology has developed into carbon dots technology. The understanding of the generation process, control on making processes and selected applications of carbon dots such as energy storage, environmental monitoring, catalysis, contaminates detections and complex environmental forensics, drug delivery, drug targeting and other biomedical applications etc. are among the most promising applications of carbon dots and thus a thrust area of research today. In this regard, various types of carbon dots nano-materials such as oxides, their composites and conjugations etc. have been flocking significant attention due to their remarkable potential in this thrust area of energy, the environment and technology. Thus, the present paper highlights the role and importance of carbon dots, recent advancements in their synthesis methods, properties and emerging applications.

show abstract

Applications of Carbon Dots (CDs) in Latent Fingerprints Imaging

Cited by 32 publications

References 79 publications

Carbon Dot Powders with Cross-Linking-Based Long-Wavelength Emission for Multicolor Imaging of Latent Fingerprints

Carbon Dot Powders with Cross-Linking-Based Long-Wavelength Emission for Multicolor Imaging of Latent Fingerprints

Advances in the Methods for the Synthesis of Carbon Dots and Their Emerging Applications

State of Art Technology: Synthesis of Carbon Dots and Their Potential Applications in Biomedical, Research and Environmental Remediation

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