Amphiphilic Cationic Carbon Dots for Efficient Delivery of Light‐Dependent Herbicide

• DOI: 10.1002/advs.202406523
• Publication Date: 2024-08-22T02:50:21Z
• Authors: Gang Tang; Jialu Wang; Jianhua Xiao; Yulu Liu; Yuqi Huang; Zhiyuan Zhou; Xiaohong Zhang; Gaohua Hu; Weiyao Yan; Yongsong Cao
• Keywords: Cationic polymerization

Abstract The inefficient delivery of herbicides causes unpleasant side effects on the ecological environment. Protoporphyrinogen oxidase (PPO)‐inhibiting rely presence external light to exert activities and thus their performance in field is extremely susceptible Here, taking acifluorfen (ACI) as a model PPO‐inhibiting herbicide enhance efficacy by boosting utilization rate sunlight, amphiphilic cationic CDs (CPC‐CDs) from cetylpyridinium chloride (CPC) precursor, first prepared supplementary source generator, subsequently co‐assembled with ACI through non‐covalent bond interactions obtain stable fluorescent nanoparticles (ACI@CPC‐CDs). ACI@CPC‐CDs fascinating physicochemical properties can penetrate leaves weeds stomata undergo long‐distance transport cell intervals. Under low intensity, CPC‐CDs be applied internal promote formation more singlet oxygen damage leaf membrane, consequently improving herbicidal activity ACI. Moreover, safety evaluation demonstrates no risk non‐target organisms Therefore, this work offers promising strategy for efficient light‐dependent opens new insights into application development sustainable agriculture.