Solution-processed metal oxide based charge extraction buffer layers at low temperatures for efficient and stable perovskite solar cells
Afshin Hadipour a, Tom Aernouts a, Ronn Andriessen b, Mehrdad Najafi b
a IMEC, Belgium, Kapeldreef, 75, Leuven, Belgium
b Holst, ECN – Solliance, High Tech Campus 21, 5656 AE, Eindhoven, The Netherlands
Proceedings of Perovskite Thin Film Photovoltaics (ABXPV17)
València, Spain, 2017 March 1st - 2nd
Organizers: Henk Bolink and David Cahen
Oral, Afshin Hadipour, presentation 061
Publication date: 18th December 2016

Here, we report the processing of efficient and relatively stable perovskite solar cells with both conventional and inverted structures using simple and low temperature solution-process buffer layers. Pure or copper-doped nickel oxide (NiO or NiO:Cu) and zinc oxide (ZnO) or niobium-doped titanium dioxide (TiO2:Nb) films were used as a hole transport layer (HTL) and electron transport layers (ETL), respectively. By using alcohols with different boiling points as solvents for the buffer layers, they can be used for all type of processing tools such as spin coating, slot-dye or Roll to Roll printers. The electrical conductivity of the buffer layers are sufficient enough giving the possibility to use them within different thicknesses leading to optimizing the optical cavity of full device. As photo-active layer, smooth and pinhole-free perovskite absorbing layers ware fabricated by anti-solvent method on rigid Glass/ITO substrates. This results can lead to fully solution-processed perovskite solar cells reducing manufacturing cost and high processing speed.

We use our own and third party cookies for analysing and measuring usage of our website to improve our services. If you continue browsing, we consider accepting its use. You can check our Cookies Policy in which you will also find how to configure your web browser for the use of cookies. More info