一种石墨烯纳米片/WS2的复合纳米材料及其制备方法技术

本发明专利技术公开了一种石墨烯纳米片与WS2的复合纳米材料及其合成方法及其制备方法，复合材料由石墨烯和WS2纳米材料复合构成，石墨烯纳米片与WS2纳米材料的之间物质量之比为1∶1-4∶1。其制备方法是先用化学氧化法将石墨制备成氧化石墨纳米片，然后用钨酸溶解在去离子水中形成0.02～0.07M的溶液，加入L-半胱氨作为硫源和还原剂，L-半胱氨与钨酸的物质量的比为5∶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，将该混合物转入水热反应釜中密封，通过一步水热方法合成得到石墨烯纳米片与WS2的复合纳米材料，复合材料中石墨烯纳米片与二硫化钨的物质量之比为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WS2的复合纳米材料作为新能源电池的电极材料、高性能国体润滑剂和催化剂载体等具有广泛的应用。

Composite nano material of graphene nano slice /WS2 and preparation method thereof

The invention discloses a composite nano material, graphene nanosheets and WS2 and its synthesis method and preparation method thereof, composite material consisting of graphene and WS2 nano composite materials, between graphene nanosheets and WS2 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 using tungstic acid dissolved in deionized water to form a solution of 0.02 ~ 0.07M, adding L- cysteine as sulfur source and reducing agent, L- cysteine and tungstic acid mass ratio of 5: 1 to 12: 1, the graphite oxide nanosheets into the solution, ultrasonic treatment of graphite oxide nanosheets fully dispersed in hydrothermal reaction solution, the mixture into a sealing hydrothermal reactor, through a one-step hydrothermal synthesis method of composite material obtained graphene nanosheets and WS2, the composite graphite graphene nanosheets with two tungsten sulfide mass ratio of 1: 1-4: 1. The method of the invention has the advantages of mild reaction condition and simple process. The nano composite material of the invention is the synthesis of graphene nanosheets and WS2 as a new energy battery electrode materials, high performance lubricant state and the catalyst carrier 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ＷＳ２的复合纳米材料，其特征在于复合材料由石墨烯和ＷＳ２纳米材料复合构成，石墨烯纳米片与ＷＳ２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：陈卫祥，陈涛，常焜，马琳，
申请(专利权)人：浙江大学，
类型：发明
国别省市：86