Schneider, Bennett WLal, NirajBaker-Finch, SimeonWhite, Thomas2016-06-062016-06-061094-4087http://hdl.handle.net/1885/102145Perovskite-on-silicon tandem solar cells show potential to reach > 30% conversion efficiency, but require careful optical control. We introduce here an effective light-management scheme based on the established pyramidal texturing of crystalline silicon cells. Calculations show that conformal deposition of a thin film perovskite solar cell directly onto the textured front surface of a high efficiency silicon cell can yield front surface reflection losses as low as 0.52mA/cm(2). Combining this with a wavelength-selective intermediate reflector between the cells additionally provides effective light-trapping in the high-bandgap top cell, resulting in calculated absolute efficiency gains of 2 - 4%. This approach provides a practical and effective method to adapt existing high efficiency silicon cell designs for use in tandem cells, with conversion efficiencies approaching 35%.N.N.L is supported by an Australian Renewable Energy Agency (ARENA) postdoctoral fellowship.© 2014 Optical Society of America2014-10-2010.1364/OE.22.0A1422