The one-pot synthesis of photoluminescent polycarbonate based on the pyrolysis of citrate
DOI:
https://doi.org/10.56764/hpu2.jos.2024.3.1.57-63Abstract
Photoluminescent composites that are air-stable and water-resistant are important for outdoor applications such as road marking paints, light-converting membranes, fluorescent paints, and security inks. Photoluminescent thermoplastics fulfill all conditions but their preparation methods which are vastly based on mixing pre-synthesized fluorescent dyes and plastic could lead to emission quenching due to dye aggregation or thermal degradation. Herein, we demonstrated a simple method to prepare photoluminescent polycarbonate by thermal extrusion polycarbonate with citric acid and urea. UV-vis absorption and photoluminescent studies indicate that fluorescent carbon materials were formed via pyrolysis of the citrate. The composites exhibit light blue emission and a broad excitation band. The results demonstrated herein offer a cost-effective method to prepare diverse photoluminescent composites for outdoor applications.
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Copyright (c) 2024 Thuy-Trang Pham Thi, Viet-Anh Nguyen, Huy-Hoang Bui, Thi-Lam Ha, Mohapatra Priyaranjan, Xuan-Dung Mai
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