Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8013558 | Materials Letters | 2018 | 10 Pages |
Abstract
An ultrathin composite films containing cobalt phthalocyanine (CoPc) and poly(diallydimethyl ammonium chloride) (PDDA) were fabricated through layer-by-layer assembly technique. The resulting films were characterized by UV-Vis spectroscopy and atomic force microscopy. Their third-order nonlinear optical properties and photo-excitation dynamics were investigated with 20â¯ps laser pulses at 532â¯nm. The results demonstrate that the ultrathin films have notable third order optical nonlinearities (Ï(3)â¼4.7â¯Ãâ¯10â9â¯(esu)) and fast excited-state relaxation (Ïâ¼67â¯Â±â¯6â¯ps), indicating their potential applications in future nonlinear optical devices.
Related Topics
Physical Sciences and Engineering
Materials Science
Nanotechnology
Authors
Zhongguo Li, Chunying He, Jingze Fan, Yiqun Wu, Yushen Liu, Jinfu Feng, Yinglin Song,