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Structural Effects on Degradation and Photophysical Behaviour of Methylammonium Lead Iodide Perovskites

Källman, Elin LU (2016) PHYM01 20161
Department of Physics
Abstract (Swedish)
Perovskites have proven to have very promising properties applicable in future higher efficient technological devices such as light emitters and solar cells. In further development of perovskite solar cell devices there are however serious material drawbacks such as instability and toxicity, causing the perovskite research community to question if and how these obstacles can be overcome.

In this work, the structure dependent photoluminescent (PL) properties of perovskites have been investigated through correlation of fluorescence microscopy and electron microscopy. We encountered structural differences in degradation of bulk samples along with variations of PL intensity and PL lifetime between different structures. Structural... (More)
Perovskites have proven to have very promising properties applicable in future higher efficient technological devices such as light emitters and solar cells. In further development of perovskite solar cell devices there are however serious material drawbacks such as instability and toxicity, causing the perovskite research community to question if and how these obstacles can be overcome.

In this work, the structure dependent photoluminescent (PL) properties of perovskites have been investigated through correlation of fluorescence microscopy and electron microscopy. We encountered structural differences in degradation of bulk samples along with variations of PL intensity and PL lifetime between different structures. Structural inhomogeneity was proven to have a big impact on non-radiative decay of perovskite structures with sizes of of a few mikrons. (Less)
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author
Källman, Elin LU
supervisor
organization
course
PHYM01 20161
year
type
H2 - Master's Degree (Two Years)
subject
language
English
id
8894205
date added to LUP
2016-10-28 11:06:10
date last changed
2016-11-15 13:41:41
@misc{8894205,
  abstract     = {Perovskites have proven to have very promising properties applicable in future higher efficient technological devices such as light emitters and solar cells. In further development of perovskite solar cell devices there are however serious material drawbacks such as instability and toxicity, causing the perovskite research community to question if and how these obstacles can be overcome.

In this work, the structure dependent photoluminescent (PL) properties of perovskites have been investigated through correlation of fluorescence microscopy and electron microscopy. We encountered structural differences in degradation of bulk samples along with variations of PL intensity and PL lifetime between different structures. Structural inhomogeneity was proven to have a big impact on non-radiative decay of perovskite structures with sizes of of a few mikrons.},
  author       = {Källman, Elin},
  language     = {eng},
  note         = {Student Paper},
  title        = {Structural Effects on Degradation and Photophysical Behaviour of Methylammonium Lead Iodide Perovskites},
  year         = {2016},
}