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A Novel porous Ti/TiN/Ti thin film as working electrode for back-contact, monolithic and non-TCO dye-sensitized solar cells

Abstract

In this present work, we develop a novel method to fabricate porous titanium-titanium nitride-titanium (Ti-TiN-Ti) thin film as conducting electrode for its application in dye-sensitized solar cells (DSCs). Three non-conventional devices architectures, namely back-contact (BC-DSCs), monolithic (m-DSCs) and TCO-glass free back-contact (non-TCO BC-DSCs) dye solar cells, are constructed using this porous electrode. The back-contact dye-sensitized solar cells and monolithic dye-sensitized solar cells deliver power conversion efficiencies of 4.53 % and 3.16 %, respectively. In these two devices, only one piece of TCO glass is required which has the potential to reduce the cost and weight compared with the traditional sandwich device. Furthermore, we present a photovoltaic device of non-TCO back-contact DSCs. In this case, the fabrication cost of DSCs could be greatly reduced as the FTO glasses are completely avoided from the device. The non-TCO BC-DSCs yielded an overall conversion efficiency of 3.53 %, which achieved 51 % to that of standard conventional DSCs with the same thickness of photoactive TiO2 layer.

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Publication details

The article was received on 26 Dec 2016, accepted on 17 Mar 2017, published on 17 Mar 2017 and first published online on 17 Mar 2017


Article type: Paper
DOI: 10.1039/C6SE00118A
Citation: Sustainable Energy Fuels, 2017, Accepted Manuscript
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    A Novel porous Ti/TiN/Ti thin film as working electrode for back-contact, monolithic and non-TCO dye-sensitized solar cells

    P. Shen, M. Li, Y. Yang, S. S. Juang, C. Lin, T. Yin and P. Chen, Sustainable Energy Fuels, 2017, Accepted Manuscript , DOI: 10.1039/C6SE00118A

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