Ossila’s Research on the Development of New Substrates and Materials for Perovskite Photovoltaic Devices

Posted on Thu, Dec 17, 2015 by Lucy Roberts

As Professor of Physics at the University of Sheffield, Prof. David Lidzey heads the University’s Electronic and Photonic Molecular Materials research group (EPMM).

David is currently on Sabbatical at Ossila this Autumn and is working hard with our researchers to develop new technologies for perovskite photovoltaic devices.

David and the Ossila team are currently working on the development of fluorine tin oxide substrates (FTO) for use in perovskite solar cells (PSCs).

At present, many researchers developing so-called ‘inverted’ (p-i-n) PSCs used a conventional indium tin oxide (ITO) anode. However many regular planar and mesoporous PSCs utilise FTO electrodes, as this material is can withstand the subsequent high-temperature pyrolysis reaction use to deposit titanium oxide electron-extracting contact.

FTO also has the advantage that it does not incorporate the scarce metal indium. Ossila is therefore planning to release an FTO-based device substrate to complement our portfolio of ITO based substrates. This will allow our customers to fabricate PSCs using our perovskite inks into conventional (n-i-p) planar and mesoporous devices using Ossila’s range of device connectorization and encapsulation solutions.

The work is going well, and we are currently exploring a range of different techniques to pattern FTO, and are developing a number of TiO2 deposition processes that are compatible with high efficiency devices.