Defects and aliovalent doping engineering in electroceramics

Y Feng, J Wu, Q Chi, W Li, Y Yu, W Fei - Chemical reviews, 2020 - ACS Publications
Since the positive influences of defects on the performance of electroceramics were
discovered, investigations concerning on defects and aliovalent doping routes have grown …

A perovskite electrocatalyst for efficient hydrogen evolution reaction

X Xu, Y Chen, W Zhou, Z Zhu, C Su, M Liu… - Advanced …, 2016 - Wiley Online Library
Perovskite oxides, with a general formula of ABO 3, where A is commonly a rare-earth or an
alkali and B a transition metal (Figure 1a), have emerged as a new category of highly …

Dynamic surface reconstruction of perovskite oxides in oxygen evolution reaction and its impacts on catalysis: A critical review

Z Hu, Q Yan, Y Wang - Materials Today Chemistry, 2023 - Elsevier
Perovskite oxides have gained significant attention in recent years due to their superior
catalytic activity in the oxygen evolution reaction (OER). However, the identification of the …

Influence of oxygen evolution during water oxidation on the surface of perovskite oxide catalysts

KJ May, CE Carlton, KA Stoerzinger… - The journal of …, 2012 - ACS Publications
Perovskites such as Ba0. 5Sr0. 5Co0. 8Fe0. 2O3− δ (BSCF82) can be highly active for the
oxygen evolution reaction (OER) upon water oxidation in alkaline solution. Here we report …

Theoretical and experimental investigation of Raman modes, ferroelectric and dielectric properties of relaxor Na0. 5Bi0. 5TiO3

MK Niranjan, T Karthik, S Asthana, J Pan… - Journal of Applied …, 2013 - pubs.aip.org
We use a combination of first-principles density functional theoretical analysis and
experimental characterization to understand the lattice dynamics, dielectric and ferroelectric …

Earth‐abundant silicon for facilitating water oxidation over iron‐based perovskite electrocatalyst

X Xu, Y Chen, W Zhou, Y Zhong… - Advanced materials …, 2018 - Wiley Online Library
Active and affordable electrocatalysts made from Earth‐abundant elements are central to
water electrolysis involving the oxygen evolution reaction (OER). While nonprecious …

Double perovskite PrBaCo2O5. 5: An efficient and stable electrocatalyst for hydrogen evolution reaction

Q Sun, Z Dai, Z Zhang, Z Chen, H Lin, Y Gao… - Journal of Power …, 2019 - Elsevier
In this work, we successfully demonstrate that a crystal-structure regulation by simply
altering the annealing temperature might be an effective way to enhance the electrocatalytic …

A series of Ba12M0. 5Zr0. 5Nb9O36 (M= Ni, Mg, Co, and Zn) microwave dielectric ceramics with hexagonal perovskite structure

H Xiao, G Tian, J Liu, Y Zhang, Q Wen, L Ma, H Li - Ceramics International, 2024 - Elsevier
A series of hexagonal perovskite Ba 12 M 0.5 Zr 0.5 Nb 9 O 36 (M= Ni, Mg, Co, Zn) ceramics
were prepared by solid-state reaction method. XRD and Rietveld refinement results showed …

Anionic Alloying in Hybrid Halide Cs2AgBiBr6–xClx Double Perovskites: Is it True Alloying or Preferential Occupation of Halide Ions in MX6 Octahedra?

AC Dakshinamurthy, M Gupta… - The Journal of …, 2022 - ACS Publications
Anionic alloying (halide mixing) in lead-free halide double perovskites is an effective
strategy to tailor the optoelectronic properties including band gap. An important question that …

Polarized Raman, infrared and dielectric spectra of lead-free K0. 5Na0. 5NbO3 piezoelectric system: insights from ab-initio theoretical and experimental studies

M Saha, MK Niranjan, S Asthana - Journal of Physics …, 2024 - iopscience.iop.org
Abstract The K 0.5 Na 0.5 NbO 3 (KNN) system has emerged as one of the most promising
lead-free piezoelectric over the years. In this work, we perform a comprehensive …