Flexible and transparent organic film speaker by using highly conducting PEDOT/PSS as electrode

被引:60
作者
Lee, CS
Kim, JY
Lee, DE
Joo, J [1 ]
Wagh, BG
Han, S
Beag, YW
Koh, SK
机构
[1] Korea Univ, Dept Phys, Seoul 136701, South Korea
[2] Korea Univ, Ctr Electro & Photo Repons Mol, Seoul 136701, South Korea
[3] Korea Inst Sci & Technol, Thin Film Technol Res Ctr, Seoul 130650, South Korea
[4] KKW Coll, Nasik 422209, MS, India
[5] P&I Corp, Seoul 1312221, South Korea
关键词
PEDOT/PSS; PVDF; sound pressure level;
D O I
10.1016/S0379-6779(03)00199-1
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Flexible organic film speaker (FOFS) was fabricated with ion-assisted-reaction (IAR) treated poly(vinylidene fluoide) (PVDF) as active layer and poly(3,4-ethylenedioxythiophene)/poly(4-styrenesulfonate) (PEDOT/PSS), indium tin oxide (ITO), or copper (Cu) as electrode. The PEDOT/PSS materials were screen printed on the PVDF surface. The dc conductivity (sigma(dc)) of pristine PEDOT/PSS increases from 0.8 to similar to80 S/cm by adding various organic solvents. The sound pressure level (SPL) of PVDF-based FOFS with a highly conducting PEDOT/PSS (dimethyl sulfoxide, DMSO) electrode is 27 dB higher than that with a low conducting PEDOT/PSS (H2O) at 1 kHz. The highly conducting PEDOT/PSS (DMSO) as electrode is more suitable to PVDF-based FOFS compared to Cu or ITO because of the stable and more flat SPL, the flexibility, easy patterning, and coating process. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:457 / 461
页数:5
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