旭硝子財団助成研究成果報告2023
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yrammuS 要概110Nopporn RUJISAMPHANSongkeart PHATTARAPATTAMAWONG111112Patthra PASONSynthesis and Characterization on All-Inorganic Solar Cell: Combined Theoretical and Experimental Approach(Project 2021)Development and Design of a Novel Advanced Oxidation Process for Removal of Antibiotic and its Toxicity through Wastewater Effluent(Project 2021)Development of biocompatible magnetic cellulose from pineapple peel for enzyme immobilization: Sustainability research in enzyme recycling and stability(Project 2022)Inorganic CsPbX3 perovskites, conforming to the general formula ABX3, emerge as a promising candidate for the absorber layer in solar cells, thanks to their exceptional optoelectronic properties. In this configuration, ‛A’ represents the cesium (Cs) cation,‛B’ stands for lead (Pb), and ‛X’ signifies a mix of halides (Cl, Br, I). In recent times, the integration of new inorganic perovskite variants into solar cells has marked the dawn of a new epoch in perovskite photovoltaics. Their tunable bandgaps through varying compositions position them as attractive materials to be employed alongside conventional perovskite substances. One notable benefit of utilizing inorganic perovskites over their traditional organic counterparts, such as MAPbI3, lies in their superior thermal and UV resistance—a critical attribute for their application in commercial perovskite solar cells. Nonetheless, inorganic perovskites exhibit heightened sensitivity to moisture conditions, constraining their use in areas with high relative humidity. In this project, our focus is centered on the synthesis of various inorganic perovskite forms, followed by a comprehensive characterization of their structural and optoelectronic properties. We demonstrate that through specialized surface treatments and doping strategies, the stability of inorganic perovskites can be significantly enhanced for prolonged utilization. Additionally, we aim to optimize fabrication parameters, including thickness, temperature, and reaction time. Concluding the project, we explore methods to augment the materials’ resilience, especially under humid conditions, and we propose potential design approaches specifically tailored for inorganic perovskite applications.Occurrence of trimethoprim (TMP), recalcitrant antibiotic, can affect the ecosystem. The study aims to remove the TMP and its phytotoxicity via a UV/chlorine process (a novel advanced oxidation process). The UV/chlorine process exhibited a synergistic effect on the TMP removal, compared with chlorination and UV irradiation alone. The pseudo first-order rate constant (k’) for TMP removal increased with higher chlorine doses, lower TMP concentrations and low pH. HO• was the major oxidant affecting the TMP removal, compared with reactive chlorine species (e.g., Cl•, OCl•). The TMP exposure decreased a germination rate of Lactuca sativa and Vigna radiata seeds. The use of UV/chlorine process could effectively detoxify the TMP, resulting in the phytotoxicity level equivalent or lower than those of TMP-free effluent water. The findings indicated the potential use of UV/chlorine process in removing TMP residual and its phytotoxicity.A way to increase enzyme efficiency and lessen the process cost is by targeting alternative strategies to improve the use of xylanolytic enzymes. The magnetic nanoparticles exhibit excellent recovery properties as carrier materials in enzyme catalysis and paves the way for sustainable industrial applications. In this study, cellulose from pineapple pulp were extract and modify as pineapple cellulose magnetic nanoparticles 79Rep. Grant. Res., Asahi Glass Foundation (2023)

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