Gamma-irradiation assisted green synthesis of water hyacinth-derived carbon dots for enhanced photoselective film applications

IF 6.4 3区环境科学与生态学 Q2 ENERGY & FUELS

Carbon Resources Conversion Pub Date : 2024-04-03 DOI:10.1016/j.crcon.2024.100240

Kanokorn Wechakorn , Threeraphat Chutimasakul , Thipthanya Duangmanee , Bordin Weerasuk , Sakchai Laksee , Piriya Kaeopookum , Chuleekron Seesuea , Tanagorn Sangtawesin

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引用次数: 0

Abstract

High quantum yield carbon dot (CD) was synthesized from water hyacinth leaves (WH) through ionizing gamma radiation, eliminating the need for heat or chemical treatments. The study investigated the effects of different gamma doses (50, 100, 150 kGy) on the resulting CD's optical properties, particle sizes, and surface chemistry. The 50 kGy dose produced CD (CD50) with a remarkable quantum yield of 48.3 %. Polyvinyl alcohol (PVA)-CD50 composite films demonstrated enhanced root growth in Chinese convolvulus by 19 % and were non-toxic to human cells. These composites also proved effective for food packaging applications, as evidenced by the reduced color changes in strawberries under UV light exposure. This study introduces a green synthesis approach for transforming invasive water hyacinth into a high-value CD, with promising applications in electronics, catalysis, and sensing.

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来源期刊

Carbon Resources Conversion Materials Science-Materials Science (miscellaneous)

CiteScore

9.90

自引率

11.70%

发文量

审稿时长

10 weeks

期刊介绍： Carbon Resources Conversion (CRC) publishes fundamental studies and industrial developments regarding relevant technologies aiming for the clean, efficient, value-added, and low-carbon utilization of carbon-containing resources as fuel for energy and as feedstock for materials or chemicals from, for example, fossil fuels, biomass, syngas, CO2, hydrocarbons, and organic wastes via physical, thermal, chemical, biological, and other technical methods. CRC also publishes scientific and engineering studies on resource characterization and pretreatment, carbon material innovation and production, clean technologies related to carbon resource conversion and utilization, and various process-supporting technologies, including on-line or off-line measurement and monitoring, modeling, simulations focused on safe and efficient process operation and control, and process and equipment optimization.