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Proceedings Paper

Characterization of polyperinaphthalenic organic semiconductor thin films prepared by excimer laser ablation and application to anode electrodes for ultrathin rechargeable Li ion batteries
Author(s): Satoru Nishio; Kazuyuki Tamura; Yukari Tsujine; Tomoko Fukao; Jun Murata; Masyoshi Nakano; Akiyoshi Matsuzaki; Hiroyasu Sato; Nobuo Ando; Yukinori Hato
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Paper Abstract

Polyperinaphthlenic organic semiconductor (PPNOS) films with polyperinaphthalene (PPN) structure for anode electrodes for ultra thin rechargeable Li ion batteries are prepared on temperature-controlled substrates by excimer laser ablation (ELA) of 3, 4, 9, 10-perylenetetracarboxylic dianhydride (PTCDA) or mixture target of PTCDA with a few metal powder (PTCDA/M) using a 308 nm (XeCl) pulsed excimer laser beam. It is demonstrated that ELA of PTCDA at a fluence of less than 0.5 Jcm-2pulse-1 enables us to obtain PPNOS on a substrate at 300 degree(s)C. It is found that ELA of PTCDA/Co at a fluence of more than 1.0 Jcm-4pulse-1 leads to produce effectively fragments without anhydride groups of PTCDA. FT-IR and Raman spectroscopies reveal that ELA of PTCDA/Co enables us to obtain better-defined PPN films with electric conductivity of approximately 1x10-1Scm-1 on a substrate at 300 degree(s)C. Electrochemical doping characteristics of lithium ion into the films obtained by ELA are performed to verify the lithium doping mechanism by in situ Raman spectroscopy. Furthermore a trial piece of thin lithium ion rechargeable battery with the films is fabricated to appraise performance of the films as anode thin electrodes for ultra thin rechargeable lithium ion batteries.

Paper Details

Date Published: 29 June 2001
PDF: 12 pages
Proc. SPIE 4274, Laser Applications in Microelectronic and Optoelectronic Manufacturing VI, (29 June 2001); doi: 10.1117/12.432518
Show Author Affiliations
Satoru Nishio, Mi'e Univ. (Japan)
Kazuyuki Tamura, Mi'e Univ. (Japan)
Yukari Tsujine, Mi'e Univ. (Japan)
Tomoko Fukao, Mi'e Univ. (Japan)
Jun Murata, Mi'e Univ. (Japan)
Masyoshi Nakano, Mi'e Univ. (Japan)
Akiyoshi Matsuzaki, Mi'e Univ. (Japan)
Hiroyasu Sato, Mi'e Univ. (Japan)
Nobuo Ando, Kanebo, Ltd. (Japan)
Yukinori Hato, Kanebo, Ltd. (Japan)


Published in SPIE Proceedings Vol. 4274:
Laser Applications in Microelectronic and Optoelectronic Manufacturing VI
Malcolm C. Gower; Henry Helvajian; Koji Sugioka; Jan J. Dubowski, Editor(s)

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