چکیده مقاله
Here, sensing and photocatalytic activities of Cu@Ag nanoparticles and its nanocomposite are evaluated The sensing property of them are investigated using malathion as a model of organophosphorus pesticides OPPs , and the localized surface Plasmon resonance LSPR band position displayed a linear response with various concentration of target analyte The prepared nanoparticles were found to be sensitive to malathion at a limit of detection of 0 014 mg/L It is observed that sensing property is caused by the coordination of the sulfur moiety of malathion with the Ag shell of nanosensor induced aggregation This phenomenon is referred to soft acid’s reaction with soft base by formation of chelate Further, the photocatalytic activity of Cu@Ag APTMS boehmite NPs is evaluated by methylene blue MB dye solution under irradiation by visible light In the batch system, the dye was degraded by 80 3% under visible light irradiation within 2820 min in the optimum condition pH = 6, dye concentration of 10 mg/L, catalyst dosage of 2 g/L Thereby, the prepared NPs would be an appropriate candidate sensing with photocatalyst properties
کلیدواژهها
نویسندگان
Faranak Faghiri
Department of Environmental Sciences, Faculty of Natural Resources, University of Kurdistan, Sanandaj,Iran
Ashkan Miri
Department of Environmental Sciences, Faculty of Natural Resources, University of Kurdistan, Sanandaj,Iran
فرشید قربانی
Department of Environmental Sciences, Faculty of Natural Resources, University of Kurdistan, Sanandaj,Iran
شیوه ارجاع
Faghiri, Faranak and Miri, Ashkan and Ghorbani, Farshid,1401,Synthesized Cu@Ag nanoparticles for colorimetric sensing and photocatalytic Applications,The 1st National Conference on Environmental Challenges: Green Industry and Mining,Tehran
ارائهشده در
مجموعه مقالات نخستین کنفرانس ملی چالش های محیط زیست: صنعت و معدن سبز28 اردیبهشت 1401 · تهران