Publications associated with Photovoltaic and Optoelectronic Device Group

Hole-transport materials with greatly-differing redox potentials give efficient TiO<inf>2</inf>-[CH<inf>3</inf>NH<inf>3</inf>][PbX<inf>3</inf>] perovskite solar cells

Physical Chemistry Chemical Physics 17 (2015) 2335-2338

A Abate, M Planells, DJ Hollman, V Barthi, S Chand, HJ Snaith, N Robertson

© the Owner Societies 2015. Two diacetylide-triphenylamine hole-transport materials (HTM) with varying redox potential have been applied in planar junction TiO 2 -[CH 3 NH 3 ]PbI 3-x Cl x solar cells leading to high power-conversion efficiencies up to 8.8%. More positive oxidation potential of the HTM gives higher V OC and lower J SC illustrating the role of matching energy levels, however both HTMs gave efficient cells despite a difference of 0.44 V in their redox potentials. This journal is

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