Spectrally Selective PANI/ITO Nanocomposite Electrodes for Energy-Efficient Dual Band Electrochromic Windows,ACS Applied Energy Materials

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Spectrally Selective PANI/ITO Nanocomposite Electrodes for Energy-Efficient Dual Band Electrochromic Windows
ACS Applied Energy Materials ( IF 5.4 ) Pub Date : 2020-03-26 00:00:00 , DOI: 10.1021/acsaem.0c00241
Pelin Yilmaz ₁ , Mirko Magni ₂ , Sandra Martinez ₃ , Rosa Maria Gonzalez Gil ₃ , Monica Della Pirriera ₃ , Michele Manca _{1,

3}

Affiliation

Glazing employing electrochromic materials can change their optical characteristics of transparency and absorption of solar radiation according to users’ needs by simultaneously reducing visible light and NIR transmission through the window. However, spectral selectivity has been becoming a key requirement in smart dynamic windows as it permits maximizing both visual and thermal comfort while minimizing energy consumption for heating, cooling, and lighting. Herein, a dual band electrochromic system is presented, which consists of an engineered nanocomposite electrode capable of advantageously combining the broad band plasmonic response of nanocrystalline indium-tin-oxide with high optical contrast of polyaniline. Their synergistical spectroelectrochemical features make possible the implementation of a four-state tunable electrochromic system (here referred to as “plasmochromic”), which permits selectively regulating optical transmittance in the visible and near-infrared range and exhibits excellent spectral selectivity (the ratio between visible light transmittance (T_LUM) and solar transmittance (T_SOL) can be tuned from 0.67 to 1.61) across a potentials window of only 1.2 V.

中文翻译：

光谱选择的PANI / ITO纳米复合电极，用于节能双带电致变色窗

采用电致变色材料的玻璃可通过同时减少可见光和近红外透过窗户的透射率，根据用户需求改变其透明度和太阳辐射吸收率的光学特性。但是，光谱选择性已成为智能动态窗口中的关键要求，因为它可以最大化视觉和热舒适性，同时将加热，冷却和照明的能耗降至最低。在此，提出了一种双带电致变色系统，其由工程化的纳米复合电极组成，该电极能够有利地将纳米晶体氧化铟锡的宽带等离子体响应与聚苯胺的高光学对比度结合在一起。T _LUM）和太阳透射率（T _SOL）可以在仅1.2 V的电势范围内从0.67调整为1.61）。

更新日期：2020-03-26

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