Combustion Synthesis of p-Type Transparent Conducting CuCrO2+x and Cu:CrOx Thin Films at 180 °C,ACS Applied Materials & Interfaces

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Combustion Synthesis of p-Type Transparent Conducting CuCrO2+x and Cu:CrOx Thin Films at 180 °C
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2018-01-18 00:00:00 , DOI: 10.1021/acsami.7b13680
Jian Wang _{1,

2} , Trey B. Daunis ₁ , Lanxia Cheng ₁ , Bo Zhang ₁ , Jiyoung Kim ₁ , Julia W. P. Hsu ₁

Affiliation

Low-temperature solution processing of p-type transparent conducting oxides (TCOs) will open up new opportunities for applications on flexible substrates that utilize low-cost, large-area manufacturing. Here, we report a facile solution synthesis method that produces two p-type TCO thin films: copper chromium oxide and copper-doped chromium oxide. Using combustion chemistry, both films are solution processed at 180 °C, which is lower than most recent efforts. While adopting the same precursor preparation and annealing temperature, we find that annealing environment (solvent vapor vs open air) dictates the resulting film phase, hence the optoelectronic properties. The effect of annealing environment on the reaction mechanism is discussed. We further characterize the electronic, optical, and transport properties of the two materials, and compare the differences. Their applications in optoelectronic devices are successfully demonstrated in transparent p–n junction diodes and as hole transport layers in organic photovoltaic devices.

中文翻译：

p型透明导电CuCrO _{2+ x}和Cu：CrO _x薄膜在180°C下的燃烧合成

p型透明导电氧化物（TCO）的低温溶液处理将为利用低成本，大面积制造的柔性基板上的应用提供新的机会。在这里，我们报告了一种简便的溶液合成方法，该方法可产生两种p型TCO薄膜：铜铬氧化物和铜掺杂铬氧化物。使用燃烧化学方法，两个薄膜均在180°C的温度下固溶处理，这比最近的努力要低。在采用相同的前驱体制备方法和退火温度的情况下，我们发现退火环境（溶剂蒸气与露天空气）决定了所形成的薄膜相，因此决定了光电性能。讨论了退火环境对反应机理的影响。我们进一步描述了这两种材料的电子，光学和传输特性，并比较差异。它们在光电器件中的应用已在透明的p-n结二极管中以及在有机光伏器件中作为空穴传输层得到了成功证明。

更新日期：2018-01-18

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