광 가교된 Poly(vinylpyridine) 박막을 이용한 나노입자의 고정화에 관한 연구

Abstract

In this work, I have described a convenient process for the immobilization of nano particles on the surface of polymers. I have chosen Au and Alq3 as nanoparticles source due to their remarkable applications in the field of microelectronic devices and P4VP as a polymer support, hence the strong affinity of pyridyl moiety towards metal particles. Si-wafer has been used as a solid support for P4VP coating. By adopting spin-coating method P4VP film on Si-wafer has been achieved. To make the polymer film quiteuniform and stability while washing, the spin coated P4VP film exposed in UV rays. Analysis of the results observed from elipsometry and UV supported the expected result. The UV-crosslinked P4VP film was taken for the nano particles immobilization by using literature methods. The individual analytical reports observed from AFM and SEM techniques for the immobilized Au and Alq3 nano particles on P4VP film were found to be good. The pattering of the nanoparticles on UV-crosslinked P4VP film by using photomask method has also been carried out. AFM and SEM analysis ensured the uniform and applicable nanoparticles patterining. From the extensive study of the process I have concluded that UV-crosslinked spin coated P4VP film as a good surface for uniform nanoparticles and pattering. Morphological studies support the characteristics of the resulted immobilized nanoparticles having the scope for the applications.