Multistep Photoluminescence Decay Reveals Dissociation of Geminate Charge Pairs in Organolead Trihalide Perovskites
Sign Up to like & getrecommendations! Published in 2017 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201700405
Abstract: Charge carrier dynamics in organolead iodide perovskites is analyzed by employing time-resolved photoluminescence spectroscopy with several ps time resolution. The measurements performed by varying photoexcitation intensity over five orders of magnitude enable separation of photoluminescence… read more here.
Keywords: charge pairs; charge; photoluminescence decay; photoluminescence ... See more keywords
Growth and Characterization of Mixed Halide Scintillators K2LaClxBr5−x:Ce
Sign Up to like & getrecommendations! Published in 2021 at "Crystal Research and Technology"
DOI: 10.1002/crat.202100149
Abstract: In this paper, it is recently discovered that mixed‐anion Cl‐Br halide scintillator K2LaClxBr5−x:Ce (x = 0, 1, 2, 3, 4, 5) has promising performance. The mixed crystal polycrystalline materials are synthesized by high‐temperature solid‐phase method,… read more here.
Keywords: halide; growth characterization; photoluminescence decay; growth ... See more keywords
Temperature and Injection Dependence of Photoluminescence Decay in Midwave Infrared HgCdTe
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-017-5728-x
Abstract: Photoluminescence decay (PLD) measurements have been performed on mid-wave infrared (MWIR) Hg-vacancy p-doped HgCdTe samples at temperatures ranging from 85 K to 330 K. The doping level is $$p_{0} = 6 \times 10^{15} \;{\hbox{cm}}^{ - 3}$$p0=6×1015cm-3 at… read more here.
Keywords: photoluminescence decay; temperature injection; temperature;
Interpretation of the photoluminescence decay kinetics in metal halide perovskite nanocrystals and thin polycrystalline films
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2020.117092
Abstract: Abstract In this paper we present critical analysis of different points of view on interpretation of the photoluminescence (PL) decay kinetics in lead halide perovskites prepared in the form of well passivated nanocrystals (PNCs) or… read more here.
Keywords: thin polycrystalline; decay kinetics; decay; interpretation photoluminescence ... See more keywords
Kinetics of Photoluminescence Decay of Colloidal Quantum Dots: Nonexponential Behavior and Detrapping of Charge Carriers
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.8b02779
Abstract: Understanding the physics behind the kinetics of photoluminescence (PL) decay of colloidal quantum dots (QDs) is of critical importance for the characterization and potential applications of these materials. The nonexponential decays typically observed present a… read more here.
Keywords: decay; decay colloidal; kinetics photoluminescence; photoluminescence decay ... See more keywords
Clarifying photoluminescence decay dynamics of self-assembled quantum dots
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-41075-7
Abstract: We studied the temperature-dependent photoluminescence (PL) and time-resolved PL spectra of multilayer CdTe/ZnTe quantum dots (QDs) to understand their carrier dynamics. We demonstrated a method of enhancing the confinement of carriers in CdTe QDs by… read more here.
Keywords: decay dynamics; photoluminescence decay; photoluminescence; quantum dots ... See more keywords