Results 1 to 10 of about 14,415,700 (341)
Temperature Dependent Piezoelectric Properties of Lead-Free (1-x)K0.6Na0.4NbO3–xBiFeO3 Ceramics [PDF]
Frontiers in Materials, 2020 (1-x)K0.4Na0.6NbO3–xBiFeO3 lead-free piezoelectric ceramics were successfully prepared in a single perovskite phase using the conventional solid-state synthesis.
Amir Khesro +7 more
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Eliminating lead-exposure in nebulization therapy by lead-free piezoelectric [PDF]
Nature CommunicationsPresent main-stream medical ultrasonic nebulizers contain Pb(Zr,Ti)O3-based piezoceramics, which could expose the patients to toxic lead when the acidic liquid medicine, compounded with ultrasonic vibration, corrodes the piezoceramics. Enormous amount of
Fang-Zhou Yao +15 more
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Chiroptical Activities of Low‐Dimensional Lead‐Free Chiral Halide Perovskites with White‐Light Emission [PDF]
Small ScienceChiral halide perovskites have attracted considerable attention due to their intrinsic chirality‐induced circular dichroism (CD), circularly polarized luminescence (CPL), and spin selectivity.
Min‐Han Tsai +6 more
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Scientific Reports, 2023 Cesium tin chloride (CsSnCl_3) is a potential and competitive absorber material for lead-free perovskite solar cells (PSCs). The full potential of CsSnCl_3 not yet been realized owing to the possible challenges of defect-free device fabrication, non ...
M. K. Hossain +8 more
semanticscholar +1 more source
Tautomeric mixture coordination enables efficient lead-free perovskite LEDs
Nature, 2023 Lead-free perovskite light-emitting diodes (LEDs) prepared using tautomeric mixture coordination provide improved ordering in the crystal structure, reduced recombination and enhanced exciton binding energy compared with lead-containing perovskite-based ...
Dongyuan Han +19 more
semanticscholar +1 more source
Giant energy-storage density with ultrahigh efficiency in lead-free relaxors via high-entropy design
Nature Communications, 2022 Next-generation advanced high/pulsed power capacitors rely heavily on dielectric ceramics with high energy storage performance. However, thus far, the huge challenge of realizing ultrahigh recoverable energy storage density (Wrec) accompanied by ...
Liang Chen +5 more
semanticscholar +1 more source
Effect of Sr2+doping on the phase transition of BaTiO3 lead-free ferroelectric ceramics
Materials Research Express, 2021 The single phase Ba _1−x Sr _x TiO _3 (x = 0, 0.4, 0.8) ceramic compositions were fabricated through solid state (mixed oxides) method calcined at 850 °C and sintered at 1200 °C in air. The XRD patterns revealed the single phase BaTiO _3 composition with
Sarir Uddin +8 more
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Nature Communications, 2022 Development of lead-free inorganic perovskite material, such as Cs2AgBiBr6, is of great importance to solve the toxicity and stability issues of traditional lead halide perovskite solar cells.
Zeyu Zhang +6 more
semanticscholar +1 more source
Lead‐Free Halide Perovskite Materials and Optoelectronic Devices: Progress and Prospective
Advanced Functional Materials, 2023 Halide perovskites, in the form of thin films and colloidal nanocrystals, have recently taken semiconductor optoelectronics research by storm, and have emerged as promising candidates for high‐performance solar cells, light‐emitting diodes (LEDs), lasers,
Iago López-Fernández +28 more
semanticscholar +1 more source
Improved dielectric energy storage performance of Pb-free 0.5Na0.5Bi0.5TiO3-0.5SrTiO3 ceramics modified with CaO [PDF]
Journal of Advanced Dielectrics, 2018 CaO doped 0.5Na0.5Bi0.5TiO3 (NBT)-0.5SrTiO3 (ST) were prepared by a traditional solid-reaction method under various sintering temperatures. X-ray diffraction (XRD), electron scanning microscopy (SEM), and electrical measurements were employed to check ...
Peng Chen +7 more
doaj +1 more source