Results 51 to 60 of about 1,361 (209)
Pulsed Laser Deposition of Cs2AgBiBr6: from Mechanochemically Synthesized Powders to Dry, Single-Step Deposition [PDF]
, 2021 Cs2AgBiBr6 has been proposed as a promising lead-free and stable double perovskite alternative to hybrid and lead-based perovskites. However, the low solubility of precursors during wet synthesis, or the distinct volatility of components during ...
Birkhölzer, Yorick A. +7 more
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Applied Physics Letters, 2021 Cs2AgBiBr6 (CABB) has been proposed as a promising nontoxic alternative to lead halide perovskites. However, low charge carrier collection efficiencies remain an obstacle for the incorporation of this material in optoelectronic applications. In this work, we study the optoelectronic properties of CABB thin films using steady state and transient ...
Jöbsis, Huygen J. +6 more
openaire +2 more sources
Highly ordered lead-free double perovskite halides by design
Journal of Materiomics, 2020 Lead-free double perovskite halides are emerging optoelectronic materials that are alternatives to lead-based perovskite halides. Recently, single-crystalline double perovskite halides were synthesized, and their intriguing functional properties were ...
Chang Won Ahn +13 more
doaj +1 more source
Ultralow‐Power Machine Vision with Self‐Powered Sensor Reservoir
Advanced Science, 2022 A neuromorphic visual system integrating optoelectronic synapses to perform the in‐sensor computing is triggering a revolution due to the reduction of latency and energy consumption.
Jie Lao +15 more
doaj +1 more source
Towards radiation detection using Cs2AgBiBr6 double perovskite single crystals
Materials Letters, 2020 Abstract In this work, we studied the optical- and electrical- properties of emerging Cs2AgBiBr6 double perovskite single crystals and demonstrated their potential for detecting ionizing radiation. We prepared Cs2AgBiBr6 double perovskite single crystals from a saturated aqueous solution.
Zheng Zhang +9 more
openaire +2 more sources
Advances in Halide Perovskites for Photon Radiation Detectors
Advanced Materials Technologies, EarlyView.This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang +3 more
wiley +1 more source
Elucidating the Factors Limiting the Photovoltaic Performance of Mixed Sb–Bi Halide Elpasolite Absorbers [PDF]
, 2022 Although Cs2AgBiBr6 halide elpasolites have gained substantial attention as potential nontoxic and stable alternatives to lead–halide perovskites, they are limited by their wide bandgaps >2.2 eV. Alloying with Sb into the pnictogen site has been shown
Joe Briscoe +6 more
core +2 more sources
Ferroelectric Devices for In‐Memory and In‐Sensor Computing
Advanced Science, EarlyView.Inspired by biological systems, in‐memory and in‐sensor computing overcome von Neumann bottlenecks. Ferroelectric devices can mimic synaptic functions and sense stimuli like light or force, therefore are ideal for these paradigms. This review introduces the ferroelectric devices applied for in‐memory and in‐sensor computing, covering their structures ...
Hong Fang +5 more
wiley +1 more source
Advanced Electronic Materials, 2023 Mimicking the human visual memory system has attractive prospects in the field of artificial vision. However, the prominent challenge of realizing human visual memory is how to detect and store image information at the same time, which demands a ...
Haibo Ye +5 more
doaj +1 more source
Charge carrier dynamics in nontoxic semiconductor quantum dots [PDF]
, 2020 The use of nontoxic semiconductor nanocrystals for optoelectronic applications requires precise knowledge of their physical properties. The previous research, though, has focused on materials that contain toxic elements such as lead or cadmium.
Richter, Alexander Florian
core