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1、滨州学院应用化工技术专业毕业设计(论文)毕业设计(论文)题目铋离子掺杂红外发光材料综述系(院)化学与化工系专业应用化工技术班级2010级4班学生姓名居晨学号1023100825指导教师刘志亮职称助教二〇一三年三月十五日I滨州学院应用化工技术专业毕业设计(论文)铋离子掺杂红外发光材料综述摘要铋离子红外发光具有良好的应用前景,铋是天然放射性元素,为有银白色光泽的金属,质脆易粉碎;室温下,铋不与氧气或水反应,在空气中稳定,加热到熔点以上时能燃烧,发出淡蓝色的火焰,生成三氧化二铋,铋在红热时与空气作用,也可与硫、
2、卤素化合。而发光是物体将某种方式吸收的能量转化为光辐射的过程,而红外发光是某一段波长的光波吸收能量转换为光辐射的过程。近红外有机发光材料主要集中在两大类:一是稀土元素配合物;二是有机离子染料。远红外线是红外线中的一种,远红外线有较强的渗透力和辐射力,具有显著的温控效应和共振效应,它易被物体吸收并转化为物体的内能。本文章就铋离子掺杂红外发光材料的机理以及影响因素做出理论解释,并就铋离子掺杂红外发光材料的前景进行展望。关键字:铋离子;红外发光;机理;影响因素III滨州学院应用化工技术专业毕业设计(论文)Rev
3、iewonBi-dopedinfra-luminescencematerialsAbstractBismuthionsinfraredglowlighthasgoodofapplicationprospects,bismuthisnaturalradioactiveelements,formetalwithsilverluster,verybrittleshattereasily;Atroomtemperature,bismuthdoesnotreactwithoxygenorwater,stablein
4、theair,heatedtomeltingpointabovecanburn,alightblueflame,andgeneratethebismuthoxidebismuthinredwiththeair,alsocancompoundwithsulfurandhalogen.Andluminousobjectsistoabsorbthewayenergyisconvertedtoopticalradiation,theprocessoftheinfraredlightisaDuanBolongwav
5、elengthsabsorbedenergyisconvertedtoopticalradiationprocess.Nirorganiclight-emittingmaterialsaremainlyconcentratedintwocategories:oneistherareearthcomplexes;Second,theorganicdyeions.Farinfraredrayisoneoftheinfrared,farinfraredrayhasstrongpenetrationandradi
6、alforce,hasasignificanteffect,temperatureeffectandresonance,itiseasytoabsorbedbytheobjectandtranslatedintotheinternalenergyoftheobject.Thisarticleisbismuthionsdopingmechanismandaffectingfactorsoftheinfraredlightemittingmaterialstomaketheoreticalexplanatio
7、n,andbismuthionsdopedfutureinfraredlight-emittingmaterialsisprospectedaswell.Bismuthioninfraredglowhasgoodofapplicationprospects,bismuthisnaturalradioactiveelement,forhassilverglossofmetal,masscrispeasycrushed;atroomtemperatureXia,bismuthnotandoxygenorIII
8、滨州学院应用化工技术专业毕业设计(论文)waterreaction,inairinthestability,heatingtomeltingpointaboveShicanburning,issuedlightblueofflame,generatedthreeoxidationIIbismuth,bismuthinredhotShiandairrole,alsocanandsulfur,andhalogencombined.