2017
DOI: 10.1088/1361-6463/aa71e7
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First determination of the valence band dispersion of CH3NH3PbI3hybrid organic–inorganic perovskite

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Cited by 38 publications
(48 citation statements)
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“…Moreover, the weak and diffused LEED spots gradually became more intense and sharper when decreasing the temperature to 250 K (marked with red arrows), indicating a phase transition from a cubic phase to a tetragonal phase since the square lattice with lattice constant 8.86(±0.10) Å at 250 K, agrees well with the value of the shorter axis ( a = c = 8.80 Å) of the tetragonal phase at 200 K . Here, it is necessary to emphasize that in our measurement showing two coexisting phases, the temperature range is different from the one used by Lee et al who measured at 200 K and only found a tetragonal phase (see ref. ).…”
Section: Summarized Parameters Of Various Experimental and Calculatedsupporting
confidence: 91%
See 3 more Smart Citations
“…Moreover, the weak and diffused LEED spots gradually became more intense and sharper when decreasing the temperature to 250 K (marked with red arrows), indicating a phase transition from a cubic phase to a tetragonal phase since the square lattice with lattice constant 8.86(±0.10) Å at 250 K, agrees well with the value of the shorter axis ( a = c = 8.80 Å) of the tetragonal phase at 200 K . Here, it is necessary to emphasize that in our measurement showing two coexisting phases, the temperature range is different from the one used by Lee et al who measured at 200 K and only found a tetragonal phase (see ref. ).…”
Section: Summarized Parameters Of Various Experimental and Calculatedsupporting
confidence: 91%
“…Here, it is necessary to emphasize that in our measurement showing two coexisting phases, the temperature range is different from the one used by Lee et al who measured at 200 K and only found a tetragonal phase (see ref. ). These differences in temperatures could explain the different band structure results, as shown later in this study.…”
Section: Summarized Parameters Of Various Experimental and Calculatedmentioning
confidence: 62%
See 2 more Smart Citations
“…a photon energy dependent study, using angle resolved photoemission. 80 From the Lee et al study the bulk band character of the top of the valence band was established. This conclusion was confirmed by resonant photoemission spectroscopy, in combination with theory, to show that indeed the valence band is dominated by Pb-Br hybridized bulk bands refuting the notion that the top of the 5 valence band is dominated by surface bands.…”
Section: Introductionmentioning
confidence: 99%