Polyanionic, alkylthiosulfate-based thiol precursors for conjugated polymer self-assembly onto gold and silver.

Polyanionic, alkylthiosulfate-based thiol precursors for conjugated polymer self-assembly onto gold and silver.
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用于金和银上共轭聚合物自组装的聚阴离子、烷基硫代硫酸盐基硫醇前体

DOI:
10.1021/am5025148
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发表时间:
2014
影响因子:
9.5
通讯作者:
U. Scherf
U. Scherf
中科院分区:
材料科学2区
文献类型:
--
作者:
M. Kraft;S. Adamczyk;A. Polywka;K. Zilberberg;C. Weijtens;J. Meyer;P. Görrn;T. Riedl;U. Scherf

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带有烷基硫代硫酸盐侧链的阴离子、共轭的噻吩基和荧烯基聚电解质在烷基硫醇和二烷基二硫化物的作用下进行水解。通过阴离子共轭聚电解质(CPE)前体溶液在甲醇等极性溶剂中的自组装,可以将水解产物沉积到金或银表面。这一过程允许使用环境友好的溶剂对金和银电极进行基于溶液的表面修饰,并能够形成共轭聚合物双层。本文提出的烷基硫代硫酸盐取代的CPE有希望增加金和银电极的功函数,从而改善从这种电极组件到有机半导体的空穴注入。
Anionic, conjugated thiophene- and fluorene-based polyelectrolytes with alkylthiosulfate side chains undergo hydrolysis under formation of alkylthiol and dialkyldisulfide functions. The hydrolysis products can be deposited onto gold or silver surfaces by self-assembly from solutions of the anionic conjugated polyelectrolyte (CPE) precursors in polar solvents such as methanol. This procedure allows solution-based surface modifications of gold and silver electrodes using environmentally friendly solvents and enables the formation of conjugated polymer bilayers. The herein presented alkylthiosulfate-substituted CPEs are promising candidates for increasing the work function of gold and silver electrodes thus improving hole injection from such electrode assemblies into organic semiconductors.
DOI: 10.1002/polb.23022
发表时间: 2012-03-15
影响因子: --
作者:
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