Reversible Photoinduced Phase Segregation and Origin of Long Carrier Lifetime in Mixed‐Halide Perovskite Films
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202002622
Abstract: Mixed‐halide hybrid perovskite semiconductors have attracted tremendous attention as a promising candidate for efficient photovoltaic and light‐emitting devices. However, these perovskite materials may undergo phase segregation under light illumination, thus affecting their optoelectronic properties. Here,… read more here.
Keywords: phase segregation; mixed halide; perovskite films; segregation ... See more keywords
In Situ Ellipsometry Measurements on the Halide Phase Segregation of Mixed Halide Lead Perovskites
Sign Up to like & getrecommendations! Published in 2022 at "Chemphyschem"
DOI: 10.1002/cphc.202200022
Abstract: Abstract Methylammonium lead iodide bromides MAPb(BrxI1‐x)3 are a class of mixed halide lead perovskites, materials that offer high‐power conversion efficiencies and bandgap tunability. For these reasons, they are a promising absorber material for future solar… read more here.
Keywords: halide lead; mixed halide; phase segregation; segregation ... See more keywords
Divide & Conquer: Surfactant Protein SP-C and Cholesterol Modulate Phase Segregation in Lung Surfactant.
Sign Up to like & getrecommendations! Published in 2017 at "Biophysical journal"
DOI: 10.1016/j.bpj.2017.06.059
Abstract: Lung surfactant (LS) is an essential system supporting the respiratory function. Cholesterol can be deleterious for LS function, a condition that is reversed by the presence of the lipopeptide SP-C. In this work, the structure… read more here.
Keywords: surfactant protein; phase; cholesterol; lung surfactant ... See more keywords
Recent insights for achieving mixed halide perovskites without halide segregation
Sign Up to like & getrecommendations! Published in 2018 at "Current Opinion in Electrochemistry"
DOI: 10.1016/j.coelec.2018.09.007
Abstract: Summary The incorporation of halide perovskites in optoelectronics has provided a fast advance in the fabrication of new sensitizers with a balanced light-harvesting, free carrier transportation, and a progressive overcoming of the low tolerance to… read more here.
Keywords: mixed halide; recent insights; phase segregation; halide perovskites ... See more keywords
Complex evolution of photoluminescence during phase segregation of MAPb(I1-xBrx)3 mixed halide perovskite
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2020.117073
Abstract: Abstract Under illumination, the photoluminescence of a mixed-halide perovskite such as MAPb(I1-xBrx)3 is known to undergo a significant intensity enhancement while spectrally shifting to lower energies. The evolution of low energy photoluminescence is attributed to… read more here.
Keywords: phase segregation; photoluminescence; mapb xbrx;
How Chloride Suppresses Photoinduced Phase Segregation in Mixed Halide Perovskites
Sign Up to like & getrecommendations! Published in 2020 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.0c02100
Abstract: Halide ion mobility in metal halide perovskites plays an important role in dictating the overall device performance and long-term stability of perovskite solar cells. Alloying with chloride (Cl), w... read more here.
Keywords: photoinduced phase; chloride suppresses; phase segregation; halide perovskites ... See more keywords
Nanoconfinement-Induced Phase Segregation of Binary Benzene–Cyclohexane Solutions within a Chemically Inert Matrix
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.7b11365
Abstract: Binary solutions provide a fertile arena to probe intermolecular and molecular/surface interactions under nanoconfinement. Here, the phase segregation of a solution comprising 0.80 mol fraction benzene and 0.20 mol fraction cyclohexane confined within SiO2 nanopores… read more here.
Keywords: chemically inert; benzene; benzene cyclohexane; phase segregation ... See more keywords
Nanoscale Phase Segregation on Binary-Coated Nanoparticles Analyzed by MALDI-MS: Influence of Patchy Morphology
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.8b06286
Abstract: Nanoscale phase segregation of several ligands on nanoparticle surfaces is a key feature that strongly impacts on the nanoparticle properties and hence on their final applications. Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) has appeared as a… read more here.
Keywords: influence; phase segregation; segregation; nanoscale phase ... See more keywords
Metal Coordination Induces Phase Segregation in Amphipolar Arborescent Copolymers with a Core–Shell–Corona Architecture
Sign Up to like & getrecommendations! Published in 2020 at "Macromolecules"
DOI: 10.1021/acs.macromol.0c00778
Abstract: Arborescent copolymers with a core–shell–corona (CSC) architecture were synthesized and the topology of the molecules was challenged (constrained) through intramolecular interactions, resulting in phase separation breaking the symmetry of radial density. The inner poly(2-vinylpyridine) shell… read more here.
Keywords: phase segregation; arborescent copolymers; copolymers core; shell ... See more keywords
Smectic–Smectic Phase Segregation Occurring in Binary Mixtures of Long and Short Rigid-Rod Helical Polysilanes
Sign Up to like & getrecommendations! Published in 2019 at "Macromolecules"
DOI: 10.1021/acs.macromol.8b02462
Abstract: Small-angle X-ray scattering and atomic force microscopy were used to observe smectic–smectic phase segregation in binary mixtures of rigid-rod-like helical poly[n-decyl-(S)-2-methylbutylsilane] (PDMS) polymers with molecular-weight ratios of 4.82 and narrow molecular-weight distributions. Phase segregation is… read more here.
Keywords: segregation; smectic phase; phase segregation; binary mixtures ... See more keywords
Suppressing Halide Phase Segregation in CsPbIBr2 Films by Polymer Modification for Hysteresis-Less All-Inorganic Perovskite Solar Cells.
Sign Up to like & getrecommendations! Published in 2021 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.0c20135
Abstract: All-inorganic perovskite CsPbIBr2 materials are promising for optoelectronics, owing to their upgraded ambient stability and suitable bandgap. Unfortunately, they generally undergo severe halide phase segregation under illumination, which creates many iodide-rich and bromide-rich domains coupled… read more here.
Keywords: phase segregation; cspbibr2; halide phase; perovskite ... See more keywords