一种石墨烯纳米片与SnS2的复合纳米材料及其合成方法技术

本发明专利技术公开了石墨烯纳米片与SnS2的复合纳米材料及其制备方法，其特征在于复合材料由石墨烯纳米片和SnS2纳米材料复合构成，石墨烯纳米片与SnS2纳米材料的之间物质量之比为1∶1-4∶1。其制备方法是是先用化学氧化法将石墨制备成氧化石墨纳米片，然后L-半胱氨酸溶解在去离子水中，并加入四氯化锡并充分搅拌使其溶解，溶液中L-半胱氨酸与四氯化锡的摩尔比在6∶1～12∶1，再将氧化石墨纳米片加入该溶液中，超声处理使氧化石墨纳米片充分分散在水热反应溶液中，通过一步水热方法合成得到石墨烯纳米片与SnS2的复合纳米材料，复合材料中石墨烯纳米片与SnS2纳米材料的物质量之比为1∶1-4∶1。本发明专利技术的方法具有反应条件温和和工艺简单的特点。本发明专利技术合成的石墨烯纳米片与SnS2的复合纳米材料作为新能源电池的电极材料等具有广泛的应用。

Composite nano material of graphene nanosheets and SnS2 and synthetic method thereof

The invention discloses a composite nano material and preparation method of graphene nanosheets and SnS2, which is characterized in that the composite material consists of graphene nanosheets and SnS2 nano composite materials, between graphene nanosheets and SnS2 nano material mass ratio of 1: 1-4: 1. The preparation method is to use the chemical oxidation of graphite prepared graphite oxide nanosheets, then L- cysteine is dissolved in deionized water, and adding four tin chloride and stir to dissolve in the solution of L-, cysteine and four tin chloride in a molar ratio of 6: 1 to 12: 1, then the graphite oxide nano sheet into the solution, ultrasonic treatment of graphite oxide nanosheets fully dispersed in hydrothermal reaction solution, through a one-step hydrothermal synthesis method of composite material obtained graphene nanosheets and SnS2 composite materials, graphene nanosheets and SnS2 nano material mass ratio of 1: 1-4: 1. The method of the invention has the advantages of mild reaction condition and simple process. The composite nano material of graphene nanosheets and SnS2 as the electrode material of the new energy battery has wide application.

【技术实现步骤摘要】

【技术保护点】
１．一种石墨烯纳米片与ＳｎＳ２的复合纳米材料，其特征在于复合材料由石墨烯纳米片和ＳｎＳ２纳米材料复合构成，石墨烯纳米片与ＳｎＳ２纳米材料的之间物质量之比为１∶１－４∶１。

【技术特征摘要】

【专利技术属性】
技术研发人员：陈涛，陈卫祥，常焜，马琳，李辉，
申请(专利权)人：浙江大学，
类型：发明
国别省市：86