김정엽 D. Y. Kim D. H. KIm J. Y. Lee 2024-01-21T22:09:01Z 2024-01-21T22:09:01Z 2022-01-10 1994-01 https://pubs.kist.re.kr/handle/201004/145879 In-situ spectroscopy of redox reaction in PPY. Article 3 Progress in Pacific polymer science, v.v. 3, pp.225 - ? Progress in Pacific polymer science v. 3 225 ? polypyrrole in-situ raman spectroscopy conjugation length