Kumbhakar, ParthaParthaKumbhakarBiswas, SubrataSubrataBiswasPandey, PrafullPrafullPandeyTiwary, Chandra S.Chandra S.TiwaryKumbhakar, PathikPathikKumbhakar2025-08-312025-08-312019-01-2810.1039/c8nr09074b2-s2.0-85060377534https://repository.iitgn.ac.in/handle/IITG2025/2335930644949There has been a recent demand for the development of luminescent materials for visualizations of latent fingerprints (LFPs) for achieving enhanced security. Also recently, there has been a new research trend in the development of 2D materials from non-layered semiconductors with strong luminescence properties in the visible region. The conventional growth process of luminescent materials limits their capacity of tuning the structure and light emission efficiency. However, multi-atom doping provides an additional degree of freedom to tune the basic morphologies and optical properties of luminescent semiconductors by controlling the defect levels. Here, by using a simple chemical technique, multi-atom (Cu and Mn) doped rarely reported 2D nanosheets of zinc sulphide (ZnS) have been grown. Thus, a stable high fluorescence efficiency of ∼62% in the visible region has been realized for the visualization of LFPs. Furthermore, near-white light emission has been demonstrated by coating the synthesized materials with a suitable doping concentration on a commercially available UV-LED chip. The proposed technique may be utilized further to build up other 2D nanostructured materials for multifunctional applications in solid state lighting, LFPs and forensic science.en-USfalseArticlehttps://mpra.ub.uni-muenchen.de/78083/1/MPRA_paper_78083.pdf204033722017-202628 January 20193134WOS:000459910900051