Combined electrochromic and plasmonic optical responses in conducting polymer/metal nanoparticle films

被引:66
作者
Pacios, Roberto
Marcilla, Rebeca
Pozo-Gonzalo, Cristina
Pomposo, Jose A.
Grande, Hans
Aizpurua, Javier
Mecerreyes, David
机构
[1] Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
[2] Donostia Int Phys Ctr, E-20018 Donostia San Sebastian, Spain
[3] CIC NANOGUNE Consolider, E-20009 Donostia San Sebastian, Spain
关键词
conducting polymers; electrochromic displays; metallic nanoparticles;
D O I
10.1166/jnn.2007.623
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Poly(3,4-ethylenedioxithiophene)/poly(styrene sulphonate) (PEDOT/PSS) aqueous dispersions were mixed with aqueous gold nanoparticle and aqueous silver nanoparticle colloids. PEDOT/gold nanoparticles (Au NP) and PEDOT/silver nanoparticles (Ag NP) films were obtained by solvent casting the corresponding aqueous solutions. The nanocomposite films showed the optical characteristics associated with both the surface plasmon absorption resonance of the metal nanoparticles and the excitation of the bipolaron band of the conducting polymer. As an interesting application we demonstrate the use of metal nanoparticles to tune the color of PEDOT based electrochromic films from blue to violet in the case of Au NP or green in the case of Ag NP.
引用
收藏
页码:2938 / 2941
页数:4
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