Aqueous Solution-Deposited Molybdenum Oxide Films as an Anode Interfacial Layer for Organic Solar Cells

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• 作者：Qinghua Yi ; Pengfei Zhai ; Yinghui Sun ; Yanhui Lou ; Jie Zhao ; Baoquan Sun ; Brian Patterson ; Hongmei Luo ; Wenrui Zhang ; Liang Jiao ; Haiyan Wang ; Guifu Zou
• 刊名：ACS Applied Materials & Interfaces
• 出版年：2015
• 出版时间：August 26, 2015
• 年：2015
• 卷：7
• 期：33
• 页码：18218-18224
• 全文大小：407K
• ISSN：1944-8252

文摘

In this study, we report the growth of molybdenum oxide (MoO_x) film by polymer-assisted deposition (PAD), an environmentally friendly strategy in an aqueous system. The MoO_x film has good crystal quality and is dense and smooth. The transparency of the film is >95% in the wavelength range of 300鈥?00 nm. The device based on P3HT:PCBM absorber material was fabricated. The solar cell with PAD-MoO_x as an anode interfacial layer exhibits great performance, even better than that of a solar cell with PEDOT:PSS or evaporated MoO_x as an anode interfacial layer. More importantly, the solar cells based on the growth of MoO_x have a longer term stability than that of solar cells based on PEDOT:PSS. These results demonstrate the aqueous PAD technology provides an alternative strategy not only for the thin films鈥?growth of applied materials but also for the solution processing for the low-cost fabrication of future materials to be applied in the field of solar cells.