Issue 64, 2024

Aggregation-induced emission luminogens for latent fingerprint detection

Abstract

For over a century, fingerprints have served as a pivotal tool for identification of individuals owing to their enduring characteristics and easily apparent features, particularly in the realm of criminal investigations. Latent fingerprints (LFPs) are “invisible fingerprints” that are most commonly available at crime scenes and require a rapid, selective, sensitive, and convenient method for detection. However, existing fingerprint development techniques harbour limitations, prompting the exploration of novel approaches that prioritize investigator safety and environmental sustainability. Leveraging the unique photophysical properties of aggregation-induced emission luminogens (AIEgens) has emerged as a promising strategy for on-site analysis of LFP visualization. In this highlight, we have presented a comparative analysis of various AIEgens (organic compounds, metal complexes, nanoparticles, and polymers) for the development and detection of LFPs. Through this examination, insights into the efficiency and potential applications of AIE-based fingerprint development techniques are provided. In addition, several strategies have been proposed for circumventing the limitations of existing AIEgens. We hope that this highlight article will encourage more researchers to investigate AIEgens in LFP detection, contributing to forensic science.

Graphical abstract: Aggregation-induced emission luminogens for latent fingerprint detection

Article information

Article type
Highlight
Submitted
27 اپریل 2024
Accepted
10 جوٗلایی 2024
First published
16 جوٗلایی 2024

Chem. Commun., 2024,60, 8314-8338

Aggregation-induced emission luminogens for latent fingerprint detection

S. Bera, A. Selvakumaraswamy, B. P. Nayak and P. Prasad, Chem. Commun., 2024, 60, 8314 DOI: 10.1039/D4CC02026J

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