NDLI: Novel process for nano-structuring of conducting polymer thin films

Content Provider	IEEE Xplore Digital Library
Author	Sang Min Chae See Wo Lee Kuk Hyun Jo Ji Yeon Choi Hyun Hwi Lee Hyo Jung Kim
Copyright Year	2015
Description	Author affiliation: Korea Inst. of Machinery & Mater., Daejeon, South Korea (Ji Yeon Choi) \|\| Pohang Accel. Lab., POSTECH, Pohang, South Korea (Hyun Hwi Lee) \|\| Dept. of Org. Mater. Sci. & Eng., Pusan Nat. Univ., Busan, South Korea (Sang Min Chae; See Wo Lee; Kuk Hyun Jo; Hyo Jung Kim)
Abstract	We present new technique for nano-structuring of conducting polymers using femto-second (fs) laser in P3HT:PCBM films with special chain alignment. In an optimized condition of fs laser (1030 nm) irradiation on P3HT:PCBM films, the surface changed into a photoexpanded structure. The crystalline order of edge-on P3HT decreased, while the crystalline order of face-on P3HT increased in the photoexpanded area. The chain alignment of face-on P3HT was affected by the polarization direction of irradiated laser. The PCBM amount also increased in the photoexpanded area in comparison with the pristine area. The results of micro RAMAN measurement confirmed the stability of P3HT chains under the laser irradiation, i.e the main P3TH chains were kept its chain configuration and bonds after laser in photoexpanded areas. These results imply that orientation of P3HT crystals can be selectively controlled into face-on configuration by the fs-laser irradiation.
Starting Page	1
Ending Page	2
File Size	258563
Page Count	2
File Format	PDF
DOI	10.1109/CLEOPR.2015.7375949
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-24
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radiation effects Films Polymers Gratings Surface emitting lasers Crystals Substrates
Content Type	Text
Resource Type	Article

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