Results 81 to 90 of about 7,426 (305)

Phase Evolution Kinetics in Additive‐Free 19.75% Organic Photovoltaics Empowered by Solvent Vapor Annealing

Advanced Functional Materials, EarlyView.
Solvent vapor annealing enables kinetic control of additive‐free morphology in organic solar cells. Selective plasticization of acceptor forms an optimal fibrillar network, boosting efficiency to 19.06% (binary) and 19.75% (ternary), with ultrafast exciton dissociation and reduced recombination.
Jie Lv, Jieni Chen, Cenqi Yan, Patrick W. K. Fong, Jingjing Zhao, Daming Zheng, DingQin Hu, Xiaoman Ding, Xiaokang Sun, Chuanlin Gao, Guangye Zhang, Qianguang Yang, Can Zhu, Pei Cheng, Shirong Lu, Zhipeng Kan, Zhiwei Ren, Guangliu Ran, Wenkai Zhang, Hanlin Hu, Gang Li   +20 more
wiley   +1 more source

A complementary study of perovskites : combining diffraction, solid-state NMR and first principles DFT calculations

, 2011
Perovskites, ABX₃, and their associated solid-solutions are a particularly important and attractive area of research within materials chemistry. Owing to their structural and compositional flexibility and potential physical properties they are one of the
Johnston, Karen Elizabeth
core   +1 more source

Temperature-Induced Reversible and Irreversible Transitions between Metastable Perovskite Phases in the BiFe1−yScyO3 Solid Solutions [PDF]

, 2018
The antipolar orthorhombic Pnma phase with the √2ap × 4ap × 2 √2ap superstructure (ap ~4 Å is the pseudocubic perovskite unit-cell parameter) is observed in many perovskite compositions derived from BiFeO3.
Vasili Rubanik, Salak A, Pushkarev A, Khalyavin D, Rubanik, Vasili, Khalyavin, Dmitry, Eardley E, Shilin A, Eardley, Edwin, Pushkarev, Anatoli, Salak, Andrei, Olekhnovich N, Shilin, Aleksandr, Andrei Salak, Dmitry Khalyavin, Anatoli Pushkarev, Yury Radyush, Radyush, Yury, Radyush Y, Olekhnovich, Nikolai, Edwin Eardley, Aleksandr Shilin, Rubanik V, Nikolai Olekhnovich   +23 more
core   +1 more source

Synthesis and electrical conductivity of La0.6Sr0.4Ru0.9Mg0.1O3-.DELTA. perovskite solid solution

Journal of the Ceramic Society of Japan, 2009
La0.6Sr0.4Ru0.9Mg0.1O3-δ (LSRM) powder was prepared by co-precipitation method using ammonium carbonate solution and nitrate solutions. The freeze-dried suspension was decomposed at 1000°C in air. The obtained LSRM powder was sintered in air at 1200°C for 4 h to measure the electrical conductivity.
MORIYAMA, Daisuke, HIRATA, Yoshihiro, SAMESHIMA, Soichiro, MATSUNAGA, Naoki, DOI, Toshiya, KASHIMA, Naoji, NAGAYA, Shigeo   +6 more
openaire   +2 more sources

Enhancement of Dielectric Breakdown Strength and Recoverable Energy Density in Three‐Dimensional Heterointerfaces on BaTiO3–PbZrO3–PbTiO3 Films via Room‐Temperature Nano‐Clustering

Advanced Functional Materials, EarlyView.
A room‐temperature aerosol deposition process yields multiphase nano‐clustered dielectric capacitors containing discrete BaTiO3, PbZrO3, and PbTiO3 crystals. This architecture creates three‐dimensional heterointerfaces that induce interfacial charge trapping and effectively inhibit breakdown propagation.
Hyunseok Song, Ke Xu, Donggeon Baek, Dayeong Hur, Minjae Kim, Hyun‐Cheol Song, Dae‐Yong Jeong, Houbing Huang, Jungho Ryu   +8 more
wiley   +1 more source

Novos materiais com ferro, com alta condutividade iónica de oxigénio

, 2006
Doutoramento em Ciência e Engenharia de MateriaisPretende-se com este trabalho avaliar o potencial de novos materiais para aplicações de alta temperatura, nomeadamente membranas para separação de oxigénio e oxidação parcial de hidrocarbonetos, e pilhas ...
Shaula, Aliaksandr
core  

Organic cations in halide perovskite solid solutions: exploring beyond size effects

Halide perovskites are a class of materials of consolidated optoelectronic and electrochemical applications, reaching efficiencies compared to established materials in respective fields.
João Carlos, Silos Moraes, Fernando , Brondani Minussi, Rogério Marcos, Silva Jr., Eudes, Borges Araújo   +3 more
core   +1 more source

Crystalline behaviour and electrical properties of manganese perovskites substituted on A or B sites: ErMnO₃ modified by Ca and EuMnO₃ modified by Co

Boletín de la Sociedad Española de Cerámica y Vidrio, 2010
The structural and electrical features of the manganites solid solutions (Er,Ca)MnO₃ and Eu(Co,Mn)O₃, have been studied by X-ray diffraction and conductivity measurements. Powders were prepared by solid-state
Tartaj, J., Moure, A., Peña, O., Moure, C.   +3 more
doaj  

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

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