Polyalthia longifolia seeds derived carbon: As peroxymonosulfate activator for efficient degradation of Rhodamine B dye

IF 5.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Research Bulletin Pub Date : 2025-04-26 DOI:10.1016/j.materresbull.2025.113513

Elaiyappillai Elanthamilan , Subramanian Ramanathan , Sea-Fue Wang , Sirilux Poompradub

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Abstract

The seeds of Polyalthia longifolia (PLS) have been utilized for a variety of purposes, such as the production of carbon-based materials for environmental remediation. They developed a catalytic carbon material (PLS-C) from PLS seeds, and it was employed for the catalytic degradation of Rhodamine B (RhB) dye by peroxymonosulfate (PMS) activation in an aqueous medium. Various physicochemical analyses investigated the structural and morphological properties of the materials. The synthesized PLS-C shows only 62 % efficiency towards RhB dye degradation; however, activation by PMS boosts the degradation performance up to 92.7 % at 120 min. The PLS-C/PMS system shows excellent reusability, achieving 87.4 % degradation in the fifth cycle of the experiment. The radical scavenging experiment corroborated the involvement of reactive oxygen species in the experiment. Toxicology investigations of degraded solution were carried out by Vigna mungo plants, attesting to the non-toxicity of the degraded RhB dye water.

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长叶蓼籽衍生碳：作为过氧单硫酸盐活化剂高效降解罗丹明B染料

长叶蓼（Polyalthia longgifolia， PLS）的种子已被广泛用于多种用途，如生产用于环境修复的碳基材料。他们从PLS种子中开发了一种催化碳材料（PLS- c），并将其用于在水介质中通过过氧单硫酸盐（PMS）活化催化降解罗丹明B （RhB）染料。各种物理化学分析研究了材料的结构和形态特性。合成的PLS-C对RhB染料的降解效率仅为62%；在120分钟内，PMS活化可使PLS-C/PMS系统的降解率提高到92.7%。PLS-C/PMS系统具有良好的可重复使用性，在实验的第五个循环中，降解率达到87.4%。自由基清除实验证实了活性氧在实验中的作用。对降解液进行了毒理学研究，证明了降解后的RhB染料水无毒。

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来源期刊

Materials Research Bulletin 工程技术-材料科学：综合

CiteScore

9.80

自引率

5.60%

发文量

372

审稿时长

42 days

期刊介绍： Materials Research Bulletin is an international journal reporting high-impact research on processing-structure-property relationships in functional materials and nanomaterials with interesting electronic, magnetic, optical, thermal, mechanical or catalytic properties. Papers purely on thermodynamics or theoretical calculations (e.g., density functional theory) do not fall within the scope of the journal unless they also demonstrate a clear link to physical properties. Topics covered include functional materials (e.g., dielectrics, pyroelectrics, piezoelectrics, ferroelectrics, relaxors, thermoelectrics, etc.); electrochemistry and solid-state ionics (e.g., photovoltaics, batteries, sensors, and fuel cells); nanomaterials, graphene, and nanocomposites; luminescence and photocatalysis; crystal-structure and defect-structure analysis; novel electronics; non-crystalline solids; flexible electronics; protein-material interactions; and polymeric ion-exchange membranes.