Double perovskites as a family of highly active catalysts for oxygen ...
网页2013年9月17日 · Here we exploit the versatility of the perovskite structure to search for oxide catalysts that are both active and stable. We report double perovskites (Ln 0.5 Ba 0.5)CoO 3−δ (Ln=Pr, Sm, Gd and...
Lead-Free Cs2AgBiCl6 Double Perovskite: Experimental and …
网页2024年7月5日 · Double perovskite Cs2AgBiBr6 single crystals are used to make a sensitive X-ray detector. The device exhibits a high sensitivity of 105 μC Gyair-1 cm-2 and a low detection limit of 59.7 nGyairs-1, and demonstrates long-term operational stability.
Lead-Free Double Perovskite Cs - Wiley Online Library
网页Cs 2 AgBiBr 6, as a benchmark lead-free double perovskite, has emerged as a promising alternative to lead-based perovskites because of its high stability, non-toxicity, exceptional optoelectronic properties, and multifunctionality.
Air processed Cs2AgBiBr6 lead-free double perovskite high …
网页2022年2月14日 · All inorganic double perovskite material, Cs 2 AgBiBr 6 is considered to be one of the promising alternative non-toxic and highly stable materials in the family of perovskites exhibiting a long...
Magnetizing lead-free halide double perovskites | Science …
网页2020年11月6日 · Here, we focus on the benchmark double perovskite Cs 2 AgBiBr 6, which is a promising lead-free and stable optoelectronic material. Through magnetic element iron alloying, we provide new strategies to develop a new generation of materials that can potentially couple optoelectronics with spintronics.
The optoelectronic properties improvement of double ... - Nature
网页2022年1月18日 · X-ray diffraction (XRD) pattern were obtained by a X’Pert powder X-ray diffractometer in glancing angle scanning mode at 0.5° incident angle with Cu Ka X-ray (λ = 1.5418 Å)...
Recent advances in Re-based double perovskites: Synthesis, …
网页2020年12月23日 · X-ray diffraction (XRD) is a very common method to determine the phase structures of all kinds of matter ranging from fluids, to powders, and crystals. By analyzing the XRD data, the critical features such as crystal structures, crystallite sizes, lattice parameters (a–c), lattice volume, and strain can be determined. Infrared and Raman ...
Structural and Optical Properties of Cs2AgBiBr6 Double Perovskite
网页2018年12月19日 · We present a comprehensive study of the relationship between the crystal structure and optoelectronic properties of the double perovskite Cs 2 AgBiBr 6, which has emerged as a promising candidate for photovoltaic devices.
Phase Transitions in Low-Dimensional Layered Double …
网页2020年12月18日 · The Cs 2 AgBiBr 6 double perovskite has demonstrated good performance in solar cells, reaching a PCE of 2.84%, and in photodetectors, with detectivity of 3.29 × 10 12 Jones and fast response of 17 ns. Additionally, it has been applied in X-ray detectors and memristors.
Vibrational, Optical and Elastic Properties of Cs2AgBiX6 (X= Br, Cl ...
网页2 天之前 · In this study, we explore the temperature-dependent Raman, photoluminescence (PL) and Brillouin spectroscopy, as well as Density Functional Theory (DFT) calculation results of Cs 2 AgBiBr 6 and Cs 2 AgBiCl 6 double perovskites. Single crystals of Cs 2 AgBiBr 6 and Cs 2 AgBiCl 6 were synthesized via a hydrothermal method. The lattice structure has been clearly defined, and the electronic band ...