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首页> 外文期刊>RSC Advances >Synergistic strategies for the preparation of highly efficient dye-sensitized solar cells on plastic substrates: combination of chemical and physical sintering
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Synergistic strategies for the preparation of highly efficient dye-sensitized solar cells on plastic substrates: combination of chemical and physical sintering

机译：在塑料基板上制备高效染料敏化太阳能电池的协同策略：化学和物理烧结的结合

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摘要

Preparation of well-interconnected TiO2 electrodes at low temperature is critical for the fabrication of highly efficient dye-sensitized solar cells (DSCs) on plastic substrates. Herein we explore a synergistic approach using a combination of chemical and physical sintering. We formulate a binder-free TiO2 paste based on "nanoglue" as the chemical sintering agent, and use it to construct a photoelectrode on plastic by low-temperature physical compression to further improve the connectivity of TiO2 films. We systematically investigated the factors affecting the photovoltaic performance and found the conditions to achieve electron diffusion lengths as long as 25 mm and charge collection efficiencies as high as 95%, as electrochemical impedance spectroscopy measurements indicate. We apply this approach to obtain a DSC deposited on plastic displaying 6.4% power conversion efficiency based on commercial P25 titania particles.
机译：低温制备良好互连的TiO2电极对于在塑料基板上制造高效的染料敏化太阳能电池（DSC）至关重要。在这里，我们探索结合化学和物理烧结的协同方法。我们配制了以“纳米胶”为化学烧结剂的无粘结剂TiO2浆料，并通过低温物理压缩将其用于在塑料上构建光电极，以进一步改善TiO2薄膜的连接性。我们系统地研究了影响光伏性能的因素，并发现了达到25毫米长的电子扩散长度和高达95％的电荷收集效率的条件，正如电化学阻抗谱测量所表明的那样。我们采用这种方法来获得沉积在塑料上的DSC，基于商用P25二氧化钛颗粒显示出6.4％的功率转换效率。

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