Exploring the Ultralong Lifetime of Self-matrix 1,10 Phenanthroline and Boron-Based Room Temperature Phosphorescence Carbon Dots for Multiple Applications
IF 8 2区 材料科学Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
R. Blessy Pricilla, Pavel Urbanek, Jakub Sevcik, David Skoda, Jan Antos, Lukas Munster, Eva Domincova-Bergerova, Ivo Kuritka
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引用次数: 0
Abstract
Room temperature phosphorescence carbon dots (RTP CDs) are one of the newly investigated nanomaterials because of their remarkable optical characteristics. They are widely utilized in many versatile optoelectronic and security applications. Apart from synthesis, one of its challenging attributes is its lifetime at room temperature. Here, a straightforward and quick heating approach is presented for synthesizing self-matrix 1,10 phenanthroline and boron-based RTP CDs. 1,10 phenanthroline is utilized as an aromatic and hetero atom containing carbon precursor and boric acid is used as a passivating to stabilize the triplet excitons and prevent nonradiative deactivation. Various characterization techniques like TEM, XRD, FTIR, UV–vis, PL, and elemental analysis (ICP and CHNS) have been used to study the properties of self-matrix RTP CDs. The RTP CDs exhibited excellent blue-green emission when excited at 302 nm. Compared to the available literature, the novelty of this work is observed from its high naked eye phosphorescence characteristic of ≈22 s with an average lifetime of ≈ 2.4 s at 302 nm, making them ultralong self-matrix RTP CD material. Due to their exceptional qualities, the self-matrix RTP CDs have been widely employed for various applications, including information encryption decryption, phosphor for LEDs, anticounterfeiting, and water sensitivity analysis.
期刊介绍:
Advanced Optical Materials, part of the esteemed Advanced portfolio, is a unique materials science journal concentrating on all facets of light-matter interactions. For over a decade, it has been the preferred optical materials journal for significant discoveries in photonics, plasmonics, metamaterials, and more. The Advanced portfolio from Wiley is a collection of globally respected, high-impact journals that disseminate the best science from established and emerging researchers, aiding them in fulfilling their mission and amplifying the reach of their scientific discoveries.