Hole-transport materials with greatly-differing redox potentials give efficient TiO2–[CH3NH3][PbX3] perovskite solar cells | Zendy

Antonio Abate | Zendy; Miquel Planells | Zendy; Derek J. Hollman | Zendy; Vishal Barthi | Zendy; Suresh Chand | Zendy; Henry J. Snaith | Zendy; Neil Robertson | Zendy

Open Access

Hole-transport materials with greatly-differing redox potentials give efficient TiO₂–[CH₃NH₃][PbX₃] perovskite solar cells

Author(s) -

Antonio Abate,

Miquel Planells,

Derek J. Hollman,

Vishal Barthi,

Suresh Chand,

Henry J. Snaith,

Neil Robertson

Publication year - 2014

Publication title -

physical chemistry chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.053

H-Index - 239

eISSN - 1463-9084

pISSN - 1463-9076

DOI - 10.1039/c4cp04685d

Subject(s) - perovskite (structure) , redox , materials science , chemistry , inorganic chemistry , crystallography

Two diacetylide-triphenylamine hole-transport materials (HTM) with varying redox potential have been applied in planar junction TiO2-[CH3NH3]PbI3-xClx solar cells leading to high power-conversion efficiencies up to 8.8%. More positive oxidation potential of the HTM gives higher VOC and lower JSC illustrating the role of matching energy levels, however both HTMs gave efficient cells despite a difference of 0.44 V in their redox potentials.

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