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1、网络出版时间:2014-06-1616:58网络出版地址:http://www.cnki.net/kcms/doi/10.13287/j.1001-9332.20140616.003.html*石墨烯的环境行为及其对环境中污染物迁移归趋的影响任文杰滕应(中国科学院南京土壤研究所土壤环境与污染修复重点实验室,南京210008)摘要石墨烯是当前研究最热的碳纳米材料,由于具有独特的理化特性,在各领域具有广阔的应用前景.随着其生产和使用量的不断增大,石墨烯不可避免地会进入到环境中,从而给生态环境和人类健康带来风险.深入理解石墨
2、烯在环境中的行为和归趋、探讨石墨烯对污染物环境行为的影响,对于科学客观评价石墨烯的环境风险具有十分重要的意义.本文对石墨烯的环境行为及其对污染物迁移归趋的影响进行了综述,主要介绍了石墨烯在水环境中的胶体特性和稳定性及石墨烯在多孔介质中的迁移,重点探讨了石墨烯与重金属和有机物之间的相互作用,并从吸附机理、石墨烯与土壤组分之间的相互作用、石墨烯对污染物在环境中迁移及生物有效性的影响、石墨烯的定量方法等方面对该研究领域的前景和重点进行了展望,以期为该领域的深入研究提供借鉴并拓展新的思路.关键词石墨烯碳纳米材料迁移吸附生态风险文章
3、编号中图分类号X592文献标识码AEnvironmentalbehaviorofgrapheneanditseffectonthetransportandfateofpollutantsinenvironment.RENWen-jie,TENGYing(KeyLaboratoryofSoilEnvironmentandPollutionRemediation,InstituteofSoilScience,ChineseAcademyofSciences,Nanjing210008,China).Abstract:Graph
4、eneisoneofthemostpopularresearchtopicsincarbonnanomaterials.Becauseofitsspecialphysicalandchemicalproperties,graphenewillhavewideapplications.Astheproductionandapplicationamountisincreasing,graphenewillbeinevitablyreleasedtotheenvironment,resultinginrisksofecologi
5、calenvironmentandhumanhealth.Itisofveryvitalsignificanceforevaluatingenvironmentalrisksofgraphenescientificallyandobjectivelytounderstanditsenvironmentalbehaviorandfateandexploreitseffectontheenvironmentbehaviorsofpollutants.Thispaperreviewedtheenvironmentalbehavi
6、orofgraphene,suchascolloidpropertiesanditsstabilityintheaqueousenvironmentanditstransportthroughporousmedia.Additionally,thepaperreviewedtheeffectofgrapheneonthetransportandfateofpollutants.Theinteractionsbetweengrapheneandheavymetalsororganiccompoundswereespecial
7、lydiscussed.Importanttopicsshouldbeexploredincludingsorptionmechanisms,interactionsbetweengrapheneandsoilcomponents,influenceofgrapheneonthetransportandbioavailabilityofpollutantsinenvironment,aswellasapproachestoquantifyinggraphene.Thereviewmightidentifypotential
8、newideasforfurtherresearchinandnewapplicationsofgraphene.Keywords:graphene;carbonnanomaterials;transport;sorption;ecologicalrisk.2石墨烯(Graphene)是一种由碳原子以s