Hybrid-Halide Compounds for Thin-Film Electronics is coming at 02/12/2018 -

LPSC 125
Mon, 02/12/2018 - 4:00pm

John Labram
Assistant Professor,,  Electrical Engineering and Computer Science, Oregon
State University

Organo-metallic hybrid perovskites have recently (re)-emerged as a class of
materials possessing properties which are, by many-metrics, extraordinary.
Not only has the peak reported photovoltaic (PV) cell power conversion
efficiency increased at an unprecedented rate; to a value now in excess of
that of polycrystalline silicon, but these are compounds processable from
solution, at low-temperature (< 100°C), and from inexpensive precursor
materials. Despite the progress made in PVs (and to a lesser extent,
light-emitting diodes) over the last few years, there has been a notable
absence of thin-film transistors (TFTs) based on these compounds in the
literature. This is surprising because these compounds possess high
charge-carrier mobilities (~100 cm2/Vs), easily-accessible valence and
conduction bands, and have clear potential applications in low-cost
opto-electronics.  In this talk I describe how to develop electronics from
these compounds and outline a roadmap for low-cost flexible electronics based
on this new class of materials.


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