Fluorescent carbon quantum dot formulation comprises Chenopodium album leaves extract as carbon source, water, metal acetates/nitrates selected from group consisting of cadmium acetate, cobalt nitrate, chromium nitrate, cupric nitrate, ferric nitrate, mercuric nitrate, and nickel nitrate
	VAYA D; RAO G K; DHARIWAL J
	2023-09-27
专利权人	UNIV HARYANA AMITY (UYHA-Non-standard)
申请日期	2023-09-27
专利号	IN202311064889-A
成果简介	NOVELTY - Fluorescent carbon quantum dot formulation comprises chenopodium album leaves extract as a carbon source, water in a concentration range of 20-25 mL, metal acetates/nitrates selected from the group consisting of cadmium acetate (CH3COO)2.2H2O), cobalt nitrate (Co(NO3)2.6H2O), chromium nitrate (Cr(NO3)3.9H2O), cupric nitrate (Cu(NO3)2.3H2O), ferric nitrate (Fe(NO3)3.9H2O), mercuric nitrate (Hg(NO3)2.H2O), nickel nitrate (Ni(NO3)2.6H2O), lead nitrate (Pb(NO3)2), zinc nitrate (Zn(NO3)2.6H2O), in a concentration range of 1-5 mM, where the concentration of each element is maintained within the specified range to achieve stable and highly fluorescent carbon quantum dots. USE - Fluorescent carbon quantum dot formulation. ADVANTAGE - The fluorescent carbon quantum dot formulation involves low-cost, green-emitting and water-soluble quantum dots. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing a fluorescent carbon quantum dot formulation which involves collecting and washing Chenopodium album leaves thoroughly under running tap water and then with millipore water, placing the Chenopodium album leaves in a hydrothermal reactor with 25 mL of water, heating the mixture at 180℃ for 24 hours (h) in a 50 mL hydrothermal reactor, cooling the solution to room temperature naturally to obtain a dark brown solution of carbon quantum dots (CQDs), centrifuging the obtained solution at 7000 rotations per minute (rpm) for 30 minutes (min) to remove large insoluble and non-fluorescent particles, and storing the resulting CQDs in a refrigerator for further use.
IPC 分类号	B82Y-020/00 ; B82Y-040/00 ; C01B-032/15 ; C09K-011/65
国家	印度
专业领域	化学化工
语种	英语
成果类型	专利
文献类型	科技成果
条目标识符	http://119.78.100.226:8889/handle/3KE4DYBR/20206
专题	中国科学院新疆生态与地理研究所
作者单位	UNIV HARYANA AMITY (UYHA-Non-standard)
推荐引用方式 GB/T 7714	VAYA D,RAO G K,DHARIWAL J. Fluorescent carbon quantum dot formulation comprises Chenopodium album leaves extract as carbon source, water, metal acetates/nitrates selected from group consisting of cadmium acetate, cobalt nitrate, chromium nitrate, cupric nitrate, ferric nitrate, mercuric nitrate, and nickel nitrate. IN202311064889-A[P]. 2023.

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