Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 159, Issue -, Pages 136-142Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2016.09.009
Keywords
Organic solar cells; Solution processable MoOx; Wide temperature tolerance; Interface
Funding
- National Natural Science Foundation of China [61564003]
- Guangxi Natural Science Foundation [2015GXNSFGA139002]
- Bagui Scholars Program of Guangxi
- PhD research startup foundation of Guilin University of Electronic Technology [UF15016Y]
- Free the Discovery Fund of Guangxi Key Laboratory of Information Materials [151010-Z]
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While solution processable MoOx films (S-MoOx) are typically sensitive to thermal treatment temperature and oxygen, we report an approach with the features of a wide temperature tolerance, water-free and solution-processed S-MoOx film for organic solar cells (OSCs), The structural, morphological, electronic properties of synthesized S-MoOx film were studied in detail by using field emission scanning electron microscopy (SEM), Contact angle meter, UV-visible Spectrophotometer (UV-vis), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and scanning kelvin probe force microscopy (SKPFM). These analysis shows that the S-MoOx thin films possess the suitable morphology and electronic properties for application in OSCs. The S-MoOx film shows wide temperature tolerance from room temperature to 250 degrees C. The S-MoOx was introduced into OSCs in normal and inverted configuration by, acting as anode interface layer. The devices shows relatively high performance (ca 7.40%) based on varying temperature treated S-MoOx. The stability of the OSCs is dramatically enhanced via using the S-MoOx layers replace the conventional PEDOT:PSS layer both in air and in nitrogen atmosphere. (C) 2016 Elsevier B.V. All rights reserved.
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