Results 31 to 40 of about 2,019,206 (282)

Recent Advancements in Crystalline Pb-Free Halide Double Perovskites

open access: yesCrystals, 2020
Lead halide perovskites have gained more and more attention because of their ease of synthesis and excellent photoelectric properties including a large absorption coefficient, long carrier lifetime, long carrier diffusion length, and high carrier ...
Muhammad Usman, Qingfeng Yan
doaj   +1 more source

Design and Device Numerical Analysis of Lead-Free Cs2AgBiBr6 Double Perovskite Solar Cell

open access: yesCrystals, 2023
The advancement of lead-free double perovskite materials has drawn great interest thanks to their reduced toxicity, and superior stability. In this regard, Cs2AgBiBr6 perovskites have appeared as prospective materials for photovoltaic (PV) applications ...
Tarek I. Alanazi
doaj   +1 more source

Influence of Particle Size and Sintering Temperatures on Electrical Properties of 0.94Na0.5Bi0.5TiO3-0.06BaTiO3 Lead Free Ceramics [PDF]

open access: yesArchives of Metallurgy and Materials, 2020
In this study, lead-free 0.94 Na0.5Bi0.5TiO3-0.06BaTiO3 (NBT-BT) compositions at morphotropic phase boundary were successfully synthesized by solid-state reaction method.
Mert Gul   +5 more
doaj   +1 more source

A Brief Review of Sodium Bismuth Titanate-Based Lead-Free Materials for Energy Storage: Solid Solution Modification, Metal/metallic Oxide Doping, Defect Engineering and Process Optimizing

open access: yesCrystals, 2023
With the ever-increasing demand for energy, research on energy storage materials is imperative. Thereinto, dielectric materials are regarded as one of the potential candidates for application in advanced pulsed capacitors by reason of their ultrahigh ...
Zhuo Li   +11 more
doaj   +1 more source

Molten hydroxide synthesis as an alternative to molten salt sythesis for producing K0.5Na0.5NbO3 lead free ceramics [PDF]

open access: yes, 2011
Lead-free piezoelectric materials have grown in importance through increased environmental concern and subsequent EU and worldwide legislation, with the aspiration to reduce the use of Pb-based materials in all sectors. Integration of the next generation
Bortolani, Francesca   +3 more
core   +1 more source

Influence of Sintering Additives on Modified (Ba,Sr)(Sn,Ti)O3 for Electrocaloric Application

open access: yesInorganics, 2023
This paper reports on the influence of sintering additives CuO and MgO on the recently developed lead-free electrocaloric (EC) material Ba0.82Sr0.18Sn0.065Ti0.935O3 (BSSnT-18-6.5).
Zhenglyu Li   +2 more
doaj   +1 more source

Ultrasound- and microwave-assisted preparation of lead-free palladium catalysts: effects on the kinetics of diphenylacetylene semi-hydrogenation [PDF]

open access: yes, 2015
The effect of environmentally benign enabling technologies such as ultrasound and microwaves on the preparation of the lead-free Pd catalyst has been studied.
Bonrath, Werner   +6 more
core   +1 more source

Antisolvent Engineering to Enhance Photovoltaic Performance of Methylammonium Bismuth Iodide Solar Cells

open access: yesNanomaterials, 2022
High absorption ability and direct bandgap makes lead-based perovskite to acquire high photovoltaic performance. However, lead content in perovskite becomes a double-blade for counterbalancing photovoltaic performance and sustainability.
Ming-Chung Wu   +5 more
doaj   +1 more source

An Environmentally Stable and Lead-Free Chalcogenide Perovskite

open access: yes, 2019
Organic-inorganic halide perovskites are intrinsically unstable when exposed to moisture and/or light. Additionally, the presence of lead in many perovskites raises toxicity concerns.
Balasubramanian, Ganesh   +16 more
core   +1 more source

An elementary survey on structural, electrical, and optical properties of perovskite materials

open access: yesEngineering and Applied Science Research, 2022
The paper is aimed to study the recent progress on lead-free piezoelectric materials, focusing on synthesis and various properties such as structural, electrical and optical of them.
Bijayalaxmi Kuanar   +4 more
doaj  

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