核技术
覈技術
핵기술
NUCLEAR TECHNIQUES
2010年
3期
179-182
,共4页
常树全%陈达%戴耀东%张亚丽%康斌
常樹全%陳達%戴耀東%張亞麗%康斌
상수전%진체%대요동%장아려%강빈
辐照制备%量子点%硫化镉%丝素蛋白
輻照製備%量子點%硫化鎘%絲素蛋白
복조제비%양자점%류화력%사소단백
Radiation synthesis%Quantum dots%CdS%Silk fibroin
用γ射线辐照法在水溶液中成功制备丝素蛋白包覆的CdS量子点(SF-CdS QDs),并用透射电子显微镜(TEM)、X射线衍射仪(XRD)、能谱仪(EDS)、红外光谱仪(FT-IR)、紫外-可见分光光度计(UV-vis)和荧光发射谱仪(PL)等对产物进行表征.结果表明,丝素蛋白包覆的CdS量子点约5 nm,粒径分布较窄,分散性和水溶性良好,发光性能优异,最大发射峰在538 nm附近.讨论了辐照法制备丝素蛋白包覆量子点的合成过程和反应机理.本合成方法简单易行,可用来制备丝素蛋白包覆的其它纳米材料.
用γ射線輻照法在水溶液中成功製備絲素蛋白包覆的CdS量子點(SF-CdS QDs),併用透射電子顯微鏡(TEM)、X射線衍射儀(XRD)、能譜儀(EDS)、紅外光譜儀(FT-IR)、紫外-可見分光光度計(UV-vis)和熒光髮射譜儀(PL)等對產物進行錶徵.結果錶明,絲素蛋白包覆的CdS量子點約5 nm,粒徑分佈較窄,分散性和水溶性良好,髮光性能優異,最大髮射峰在538 nm附近.討論瞭輻照法製備絲素蛋白包覆量子點的閤成過程和反應機理.本閤成方法簡單易行,可用來製備絲素蛋白包覆的其它納米材料.
용γ사선복조법재수용액중성공제비사소단백포복적CdS양자점(SF-CdS QDs),병용투사전자현미경(TEM)、X사선연사의(XRD)、능보의(EDS)、홍외광보의(FT-IR)、자외-가견분광광도계(UV-vis)화형광발사보의(PL)등대산물진행표정.결과표명,사소단백포복적CdS양자점약5 nm,립경분포교착,분산성화수용성량호,발광성능우이,최대발사봉재538 nm부근.토론료복조법제비사소단백포복양자점적합성과정화반응궤리.본합성방법간단역행,가용래제비사소단백포복적기타납미재료.
Silk fibroin coated CdS quantum dots (SF-CdS QDs) were successfully synthesized in an aqueous system at room temperature under ~(60)Co γ-my irradiation.The prepared QDs were characterized by transmission electron microscopy(TEM),energy dispersion spectrometry (EDS),Fourier transform infrared spectrometer (FT-IR),X-ray diffraction (XRD),ultraviolet-visible spectroscopy (UV-vis) and photoluminescence (PL) spectrometry.The synthesized QDs were about 5 nnl in diameter with excellent water-solubility.The QDs showed strong visible yellow-green luminescence under UV excitation,at an emission peak of around 538 um.This method could be conveniently extended to fabricate other nanoparticles coated with silk fibroin.
