Correlating Phase Behavior with Photophysical Properties in Mixed‐Cation Mixed‐Halide Perovskite Thin Films
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201901350
Abstract: Mixed cation perovskites currently achieve very promising efficiency and operational stability when used as the active semiconductor in thin‐film photovoltaic devices. However, an in‐depth understanding of the structural and photophysical properties that drive this enhanced… read more here.
Keywords: cation mixed; phase; mixed halide; mixed cation ... See more keywords
High-Pressure Synthesis of the Cobalt Pyrochlore Oxide Pb2Co2O7 with Large Cation Mixed Occupancy.
Sign Up to like & getrecommendations! Published in 2017 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.7b01646
Abstract: The novel A2B2O7-type compound Pb2Co2O7 was synthesized at 8 GPa and 1673 K. Synchrotron X-ray diffraction shows a cubic pyrochlore structure with space group Fd3̅m. Rietveld structural analysis reveals a large cation mixed occupancy at… read more here.
Keywords: large cation; cation mixed; mixed occupancy; pb2co2o7 ... See more keywords
Photovoltaic Performance Improvement in Vacuum-Assisted Meniscus Printed Triple-Cation Mixed-Halide Perovskite Films by Surfactant Engineering
Sign Up to like & getrecommendations! Published in 2019 at "ACS Applied Energy Materials"
DOI: 10.1021/acsaem.9b00707
Abstract: Scalable coating methods have recently emerged as practical alternative deposition techniques to the conventional spin-coating despite their lower yielding power conversion efficiencies (PCEs). The most important barrier acting against the use of scalable deposition methods… read more here.
Keywords: triple cation; vacuum; cation mixed; vacuum assisted ... See more keywords
Accurate Adjusting the Lattice Strain of Triple-Cation and Mixed-Halide Perovskites for High-Performance Photodetector.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c02427
Abstract: The instability of perovskite optoelectronic devices remains a big barrier to their commercialization. The instability caused by external stimuli has been addressed by encapsulation, such as humidity, oxygen, heat, and ultraviolet light. However, the intrinsic… read more here.
Keywords: cation mixed; triple cation; performance; lattice strain ... See more keywords
The Bandgap as a Moving Target: Reversible Bandgap Instabilities in Multiple-Cation Mixed-Halide Perovskite Solar Cells
Sign Up to like & getrecommendations! Published in 2018 at "ACS Energy Letters"
DOI: 10.1021/acsenergylett.8b01857
Abstract: Multiple-cation mixed-halide perovskites show high power-conversion efficiencies and recently improved stability. But, even most advanced absorber materials still suffer from instabilities of the bandgap under illumination and applied bias. Here, we employ modulation spectroscopy as… read more here.
Keywords: cation mixed; mixed halide; multiple cation; solar cells ... See more keywords