Ultralow absorption coefficient and temperature dependence of radiative recombination of CH3 NH3 PbI3 perovskite from photoluminescence
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Barugkin (Qiaoke), Chog; Cong, Jin Jin; Duong, The; Rahman, Shakir; Nguyen, Hieu; Macdonald, Daniel; White, Thomas; Catchpole, Kylie
Description
Spectrally resolved photoluminescence is used to measure the band-to-band absorption coefficient α<inf>BB</inf>(ω) of organic-inorganic hybrid perovskite methylammonium lead iodide (CH<inf>3</inf>NH<inf>3</inf>PbI<inf>3</inf>) films from 675 to 1400 nm. Unlike other methods used to extract the absorption coefficient, photoluminescence is only affected by band-to-band absorption and is capable of detecting absorption events at very low energy levels. Absorption coefficients as low as 10-14 cm-1...[Show more]
Collections | ANU Research Publications |
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Date published: | 2015 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/102596 |
Source: | Journal of Physical Chemistry Letters |
DOI: | 10.1021/acs.jpclett.5b00044 |
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01_Barugkin+%28Qiaoke%29_Ultralow_absorption_2015.pdf | 1.06 MB | Adobe PDF | Request a copy |
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