A hybrid solid-liquid polymer photodiode for the bioenvironment

被引：39

作者：

Antognazza, M. R. ^{[2
]}

Ghezzi, D. ^{[2
]}

Musitelli, D. ^{[1
]}

Garbugli, M. ^{[1
]}

Lanzani, G. ^{[1
]}

机构：

[1] Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy

[2] Italian Inst Technol, I-16163 Genoa, Italy

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 24期

关键词：

biological tissues; conducting polymers; nonlinear optics; organic semiconductors; photodiodes; polymer films; FIELD-EFFECT TRANSISTORS; POLYTHIOPHENE; CELLS;

D O I：

10.1063/1.3153846

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate that a prototypical semiconducting polymer, poly[2-methoxy-5-(2(')-ethylhexyloxy)-p-phenylene vinylene] (MEH-PPV) maintains unaltered its optoelectronic properties throughout the various steps for neural preparation. Films of MEH-PPV, after prolonged immersion in water or buffer solution, are characterized by linear and nonlinear optical spectroscopy. Based on this result, we introduce a hybrid solid-liquid photodiode based on MEH-PPV, in which we use culturing media as liquid, ionic cathodes. The hybrid device is proposed as an active interface between living tissue and conducting polymers for cell diagnostic and neural implants.

引用

页数：3

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