Results 61 to 70 of about 14,229 (265)

Self-Diffusion in Perovskite and Perovskite Related Oxides: Insights from Modelling

Applied Sciences, 2020
Perovskite and perovskite related oxides are important materials with applications ranging from solid oxide fuel cells, electronics, batteries and high temperature superconductors. The investigation of physical properties at the atomic scale such as self-
Efstratia N. Sgourou, Yerasimos Panayiotatos, Konstantinos Davazoglou, Andrei L. Solovjov, Ruslan V. Vovk, Alexander Chroneos   +5 more
doaj   +1 more source

Designed Lewis Acid–Base Passivation for High Performance Perovskite Solar Cells

Advanced Functional Materials, EarlyView.
ABSTRACT Silicon's high cost and long energy payback time remain major barriers to the global expansion of solar power. In contrast, metal–halide perovskites offer abundant, solution‐processable absorbers, and have achieved efficiencies of 25%–30%, positioning them as strong competitors to silicon.
Afna Manaf, Hiba Shahulhameed, Bhabani Sankar Swain, Shengzhong (Frank) Liu, Adel Najar   +4 more
wiley   +1 more source

Producing Freestanding Single-Crystal BaTiO₃ Films through Full-Solution Deposition

Nanomaterials
Strontium aluminate, with suitable lattice parameters and environmentally friendly water solubility, has been strongly sought for use as a sacrificial layer in the preparation of freestanding perovskite oxide thin films in recent years.
Guoqiang Xi, Hangren Li, Dongfei Lu, Xudong Liu, Xiuqiao Liu, Jie Tu, Qianqian Yang, Jianjun Tian, Linxing Zhang   +8 more
doaj   +1 more source

Characterization and analysis of FAxCs(1−x) Pb(IyBr(1−y))3 perovskite solar cells with thickness controlled transport layers for performance optimization

AIP Advances, 2019
Strong characterization methods are needed to fully comprehend the chemistry and composition of perovskite solar cells. Understanding the interaction between layers inside a cell and how they react with the environment is important to achieve optimum ...
L. Valerio, A. De La Rosa, V. Rodriguez, C. Enriquez, A. Telles, Y. Ramirez, D. Rivera, J. Hierro, L. Bustamante, X. Tong, D. Hodges   +10 more
doaj   +1 more source

Ultrasmall High‐Entropy Materials: Nanoscale Effects, Synthesis, and Mechanistic Insights

Advanced Functional Materials, EarlyView.
This review article focuses on sub‐10 nm high‐entropy materials that combine nanoscale design with complex compositions for next‐generation applications. ABSTRACT Ultrasmall high‐entropy nanomaterials (USHENMs, <10 nm) merge multicomponent chemistry with size‐dependent effects, forming a distinct class of materials with unprecedented properties.
Yueyue He, Wenbo Wang, Simon Schweidler, Yanjiao Ma, Ben Breitung, Torsten Brezesinski   +5 more
wiley   +1 more source

Solution-processed room temperature nickel oxide hole transport layer for perovskite solar cells

Kuwait Journal of Science
Nickle oxide (NiOx) dispersion coated at room temperature was prepared, acting as a hole transport layer for perovskite optoelectronics. The selectivity of the electrodes in a perovskite solar cell device strongly affects the device's performance and ...
doaj   +1 more source

Hybrid Solar Cell/Triboelectric Nanogenerator Based on Stable Two‐Dimensional Covalent Organic Frameworks

Advanced Functional Materials, EarlyView.
This study highlights the integration of stable two‐dimensional covalent organic framework (COF) films as photoactive layers in hybrid nanoenergy devices. The results demonstrate their capacity to generate electricity under both sunny and rainy conditions, showcasing versatility and resilience.
Joab D. Guerrero, Susana Ramos‐Terrón, Salvador R. G. Balestra, José M. Malagón, David Aparicio, Lucia Velasco, Asterios Charisiadis, Dooshaye Moonshiram, Margarita Darder, Pilar Aranda, Bernd Wicklein, Gustavo de Miguel, Javier Pérez‐Carvajal, Eva M. García‐Frutos   +13 more
wiley   +1 more source

Reformado auto-térmico de metano con CO2, vapor y O2 a gas de síntesis, sobre catalizadores estructurados basados en perovskitas [PDF]

Avances en Química, 2010
Methane autothermal reforming with CO2, steam and O2 to synthesis gas over structured catalysts based on perovskites. The auto-thermal methane reformation over perovskite oxide supported on metallic structures has been studied.
Ini Ojeda, Norymar Becerra, Estefanía López, Luis García, Adriana García, Mireya Goldwasser, Carmen M. López   +6 more
doaj  

Catalytic Conversion of Greenhouse Gases Using Sustainable Nanocatalysts [PDF]

E3S Web of Conferences
This study explores the catalytic conversion of greenhouse gases (GHGs) using sustainable nanocatalysts, with the goal of addressing climate change and decreasing human-caused emissions.
Mittal Vaibhav, Saxena Anil Kumar, Dhawan Aashim, Kaur Savinder, Govinda Rao S., Shradhey   +5 more
doaj   +1 more source

Controlled Engineering of 2D Alkali‐Iron‐Chloride Compounds and Lateral Quantum Heterostructures Within Confined Graphene Nanoreactors

Advanced Functional Materials, EarlyView.
This work presents a programmable atomic engineering strategy for 2D materials using Å‐scale nanoreactors formed by bilayer graphene (BLG) intercalation. A new class of alkali‐iron‐chloride compounds, along with lateral heterostructures composed of monolayer alkali halides and iron chlorides, is revealed.
Haiming Sun, Qiunan Liu, Yung‐Chang Lin, Mahdi Ghorbani‐Asl, Hiroki Ago, Arkady V. Krasheninnikov, Kazu Suenaga   +6 more
wiley   +1 more source