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首页> 外文期刊>Advanced Functional Materials >A Photoresponsive Red-Hair-Inspired Polydopamine-Based Copolymer for Hybrid Photocapacitive Sensors
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A Photoresponsive Red-Hair-Inspired Polydopamine-Based Copolymer for Hybrid Photocapacitive Sensors

机译：用于混合光电容传感器的光敏红发灵感聚多巴胺基共聚物。

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摘要

Inspired by the powerful photosensitizing properties of the red hair pigments pheomelanins, a photoresponsive cysteine-containing variant of the adhesive biopolymer polydopamine (pDA) is developed via oxidative copolymeriza-tion of dopamine (DA) and 5-S-cysteinyldopamine (CDA) in variable ratios. Chemical and spectral analysis indicate the presence of benzothiazole/benzo-thiazine units akin to those of pheomelanins. p(DA/CDA) copolymers display impedance properties similar to those of biological materials and a marked pho-toimpedance response to light stimuli. The use of the p(DA/CDA) copolymer to implement a solution-processed hybrid photocapacitive/resistive metal-insulator-semiconductor (MIS) device disclosed herein is the first example of technological exploitation of photoactive, red-hair-inspired biomaterials as soft enhancement layer for silicon in an optoelectronic device. The bio-inspired materials described herein may provide the active component of new hybrid photocapacitive sensors with a chemically tunable response to visible light.
机译：受到红发色素苯丙氨酸的强大光敏特性的启发，通过多巴胺（DA）和5-S-半胱氨酰多巴胺（CDA）的氧化共聚反应，开发了一种光响应性含半胱氨酸的粘附性生物聚合物聚多巴胺（pDA）。比率。化学和光谱分析表明，苯并噻唑/苯并噻嗪单元的存在类似于苯丙氨酸甲酯。 p（DA / CDA）共聚物显示出与生物材料相似的阻抗特性，并且对光刺激具有明显的pho-阻抗响应。使用p（DA / CDA）共聚物实施本文公开的溶液处理的混合型光电容/电阻性金属绝缘体半导体（MIS）装置是对光敏，发红光的生物材料进行软化的技术开发的第一个示例光电器件中硅的增强层。本文所述的受生物启发的材料可以为新的混合光电容传感器提供活性成分，并对可见光进行化学可调。

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  • 来源
    《Advanced Functional Materials》 |2014年第45期|7161-7172|共12页
  • 作者

    Marianna Ambrico; Nicola Fyodor Della Vecchia; Paolo F. Ambrico; Antonio Cardone; Stefania R. Cicco; Teresa Ligonzo; Roberto Avolio; Alessandra Napolitano; Marco dIschia;

  • 作者单位

    CNR-Istituto di Metodologie Inorganiche e dei Plasmi Via Orabona 4, I-70125 Bari, Italy;

    University of Naples 'Federico Ⅱ' Department of Chemical Sciences Via Cintia 4, I-80126 Naples, Italy;

    CNR-Istituto di Metodologie Inorganiche e dei Plasmi Via Orabona 4, I-70125 Bari, Italy;

    CNR-Istituto di Chimica dei Composti Organo-Metallici-UOS di Bari Via Orabona 4, I-70125 Bari, Italy;

    CNR-Istituto di Chimica dei Composti Organo-Metallici-UOS di Bari Via Orabona 4, I-70125 Bari, Italy;

    Dipartimento Interateneo di Fisica Universita degli Studi di Bari 'Aldo Moro' Via Orabona 4, I-70125 Bari, Italy;

    CNR - Institute of Chemistry and Technology of Polymers Via Campi Flegrei 34, 80078 Pozzuoli, Italy;

    University of Naples 'Federico Ⅱ' Department of Chemical Sciences Via Cintia 4, I-80126 Naples, Italy;

    University of Naples 'Federico Ⅱ' Department of Chemical Sciences Via Cintia 4, I-80126 Naples, Italy;

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