The invention discloses a manganese doped molybdenum disulfide quantum dot hydrothermal preparation method from the bottom to the next step, which includes the following steps: A. weighing glutathione, manganese nitrate tetrahydrate and sodium molybdate, and then mixing; B. mixing the mixture in step a with 5mL water and ultrasonic treatment, so that the mixture dissolves in water; C. transferring the solution obtained in step B to the reactor, sealing and reversing in 200 C oven. The filtrate collected should be naturally cooled to room temperature for 36 hours. D. Quantum dots are obtained by dialysis of the filtrate obtained in step C in the dialysis bag after removing unreacted raw materials. The method has low cost, simple operation, environmental protection and easy realization of technological conditions. The prepared Mn-doped molybdenum disulfide quantum dots have good water solubility, good fluorescence characteristics and strong relaxation efficiency. It can realize many functions, such as targeting recognition of tumors, magnetic resonance imaging and fluorescence imaging. It has a good development in medicine, biology and other fields. Prospects.
【技术实现步骤摘要】
一种锰掺杂型二硫化钼量子点由下而上一步水热制备法
本专利技术涉及一种双模态成像量子点的制备法,具体涉及一种锰掺杂型二硫化钼量子点由下而上一步水热制备法。
技术介绍
石墨烯在机械、电子、光学、热学和化学性质方面由于其独特的性能提供了广泛的用途,而它杰出的物理和化学性质在很大程度上取决于其固有的二维结构。因此,众多学者开始关注各种无机石墨烯类似物,尤其是单个或几个原子层的过渡金属硫化物的超薄纳米片(TMCs)(ChhowallaM,ShinHS,EdaG,etal.Thechemistryoftwo-dimensionallayeredtransitionmetaIdichalcogenidenanosheets.NatChem,2013,5(4):263-275),在那些TMCs中,二硫化钼(MoS2)引起了研究人员特别的关注,有关MoS2在电池、催化剂和晶体管方面潜在的应用已经被报道(StephensonT,LiZ,OlsenB,etal.Lithiumionbatteryapplicationsofmolybdenumdisulfide(MoS2)nanocomposites.EnergyEnvironSci,2014,7(1):209-231.HansenLP,RanlasseQM,ChristianK,etal.Atomic-scaleedgestructuresonindustrial-styleMoS2nanocatalysts.AngewChemIntEd,2011.50(43):10153-10156.WangHT,LuZY,XuSC,eta ...
【技术保护点】
1.一种锰掺杂型二硫化钼量子点由下而上一步水热制备法,其特征在于,包括以下步骤:a. 称量谷胱甘肽、四水硝酸锰及钼酸钠,然后混合;b. 将步骤a中的混合物混入5mL水后超声处理,使混合物溶于水;c. 将步骤b中得到的溶液转移至反应釜中,密封,在200︒C烘箱内反应36小时,自然冷却至室温后过滤收集所得滤液;d. 将步骤c中所得滤液在透析袋中透析去除未反应的原料后得量子点。
【技术特征摘要】
1.一种锰掺杂型二硫化钼量子点由下而上一步水热制备法,其特征在于,包括以下步骤:a.称量谷胱甘肽、四水硝酸锰及钼酸钠,然后混合;b.将步骤a中的混合物混入5mL水后超声处理,使混合物溶于水;c.将步骤b中得到的溶液转移至反应釜中,密封,在200︒C烘箱内反应36小时,自然冷却至室温后过滤收集所得滤液;d.将步骤c中所得滤液在透析袋中透析去除未反应的原料后得量子点。2.根据权利要求1所述的一种锰掺杂型二硫化钼量子点由下而上一步水热制备法,其特征在于,所述步骤a中谷胱甘肽的质量为1.487g,钼酸钠质量为0.025g,四水硝酸锰的质量为0.0602g。3.根据权利要求1所述的一种锰掺杂型...
【专利技术属性】
技术研发人员:李菁菁,张敏,徐凯,侯平甫,
申请(专利权)人:徐州医科大学,
类型:发明
国别省市:江苏,32
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