Proceedings of 6th International Conference on Hybrid and Organic Photovoltaics (HOPV14)
Publication date: 1st March 2014
Here we report progress of our program of work addressing cell performance toward a laterally optimised monolithic solid-state architecture mini-module of appreciable dimensions.
Starting from a homogenised titania precursor, mesoscopic thin-films <500nm with lateral uniformity were cast and calcined to patterned FTO substrates. An organo-metal halide perovskite CH3NH3PbI3x light absorbing layer was deposited using a 2-step process, with intermittent heating and interpenetrated with Spiro-OMeTAD.
Initial devices were evaluated under 1-sun (AM1.5) illumination conditions to give a respectable 1.8% PCE for a 3-cell series interconnected module, operating at Voc = 2.4 V and Isc = 62.4 mA for an aperture area of 52cm2. This module is an order of magnitude larger than previously reported modules [1] of similar axial architecture, retaining reasonable device performance.
This work will present our next steps in optimising the lateral architecture of this solid-state, monolithic metal-halide derived Perovskite module that demonstrates a practical lateral design with increased operating voltage & respectable performance parameters for a relatively large active area.
Prototype 3-cell series interconnected module, operating at Voc = 2.4 V and Isc = 62.4 mA with an aperture area of 52cm2.
[1] F. Matteocci, S. Razza, F. Di Giacomo, S. Casaluci, G. Mincuzzi, T. M. Brown, A. D’Epifanio,b S. Licocciab and A. Di Carlo, Phys.Chem.Chem.Phys., 2014, 16, 3918
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