不同表面光致发光量子点的调整.pptx

不同表面光致发光量子点旳调整;引言;二、试验部分;Fig.1TEMimageof(a)SCQD,(b)ACQD,(c)and(d)CCQD.;Fig.2(a)Fluorescenceand(b)UV-VisiblespectraofCCQD,ACQDandSCQD.;Fig.3Photoluminescencespectraof(a)CCQD,(b)ACQDand(c)SCQD

withintroductionofdifferentsolventbeforecommencingthereaction.;Fig.4TEMimageofSCQDaftermodificationwith(a)Sn2+,(c)Cd2+,

(e)Zn2+and(d)Cu2+.TheinsetimageillustratesthecorrespondingSAED

patternsfortheindividualmetalionmodifiedSCQD.Fig.4band4darethe

correspondingEDAXanalysisforFig.4aand4crespectively;Fig.5(a)UV-Visibleabsorptionandthe(b)fluorescencespectraofSCQD

aftermodificationwithmetalions(c)fluorescencespectraofSn2+modifiedSCQD

withvariationofexcitationwavelength(d)normalizedPLpatternofFig.5c.;试验结论;;