本研究製備聚醯胺酸/氧化鋅/奈米銀複合顆粒作為表面增強拉曼基材使用,利用先前實驗室製備出聚醯胺酸/氧化鋅複合顆粒當作粒種再添加奈米銀對氧化鋅殼層進行改質,進而製備出聚醯胺酸/氧化鋅/奈米銀複合顆粒,並利用SEM、TEM、XRD、EDX進行材料結構分析與利用UV-Visible進行光學性質分析。 聚醯胺酸/氧化鋅/奈米銀複合顆粒應用於表面增強拉曼散射,以此複合顆粒當作基材,將不同體積濃度的Rhodamine 6G(Rh 6G)染料滴在核殼顆粒上,得知染料(Rhodamine 6G)的濃度已減低至10-6也能展現一定的訊號強度,並可在低能量下作為光觸媒降解Rhodamine 6G,因此此複合顆粒可作為拉曼散射基材,同時增加了回收功能。
The aim of the work is to prepare Poly(amic acid)/Zinc Oxide/Nano silver core-shell particles,using as a Surface-Enchanced Raman Scattering .In the previous work,surface modification of ZnO shell of Poly(amic acid)/Zinc Oxide core shell spheres Ag nanoparticles was carried out.Thus,Ag nanoparticles will locate selectively at suitable sites on the surface of ZnO.Finally, poly(amic acid) / Znic Oxide/nano silver core-shell particles can be prepared and were characterized by SEM,TEM,XRD,EDX and used UV-Visible opticle properties analysis. Use the Polyamide acid/Zinc Oxide/Nano silver composite particles in surface can enhance the Raman scattering, as composite particles as our substrate , try different volume concentrations of Rhodamine 6G (Rh 6G) dye dripping on the core-shell particles can find the concentration of dye (Rhodamine 6G) has been reduced to 10-6 and have a certain degree of signal strength, also use the low energy in application of photocatalyst for Rhodamine 6G , base on this result, use these composite particles for Raman scattering substrate can increase the recycling for using.
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