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Study of the emission behavior of organometal halide perovskites CH3NH3PbBr3 as function of excitation intensity by using photoluminescence (PL) and time-resolved photoluminescence (TRPL) techniques reveals the photo-activated mobile ion can evidently impact carrier dynamics in the minutes time scale. We observe that PL intensity and PL decay exhibit excitation intensity dependent reductions in the...
The concepts of third generation solar cells critically depend on the dynamics of ultrafast carrier relaxation and electron-phonon interactions on very short times scales. The hot carrier solar cell is a type of third generation cell which especially depends on the reduction in the energy relaxation rate in an absorber material. We investigated the ultrafast carrier dynamics in 1μm bulk In0.265GaN...
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