Results 171 to 180 of about 202,217 (330)

Self‐Reinforcing Degradation of Solution‐Processed Small‐Molecule OLEDs: Excited‐States and Molecular Interactions as Key Triggers

Advanced Functional Materials, EarlyView.
Self‐reinforcing degradation in solution‐processed small‐molecule organic light‐emitting diodes (OLEDs) arises from charge accumulation and exciton‐polaron interactions, leading to molecular aggregation and efficiency loss. This study uncovers the fundamental mechanisms behind this degradation and introduces strategic material engineering approaches ...
Eonji Cha, Junwon Jeon, Hyeon Woo Kim, Han Uk Lee, Joo Yoon Woo, Jun‐Su Yeo, Hyuk Bin Kwon, Sung Beom Cho, Tae‐Hee Han   +8 more
wiley   +1 more source

Thermal Expansion Behavior of PM6 Studied Using In Situ Wide‐Angle X‐Ray Scattering

Advanced Functional Materials, EarlyView.
In organic photovoltaics, small morphological changes can significantly impact performance. This study examines the thermal expansion of PM6 using in situ WAXS and GIWAXS from 30 to 300 °C. By analyzing samples of increasing complexity, factors like initial anisotropic nanoscale arrangements and substrate mismatches are quantified, revealing systematic
Meike Kuhn, Xu Huang, Matthew Gebert, Lars Thomsen, Christopher R. McNeill, Eva M. Herzig   +5 more
wiley   +1 more source

The route to microstructures with optical quality glass surfaces by fs laser ablation. [PDF]

Sci Rep
Schrödter D, Mietliński P, Gapiński B, Dietzel A.   +3 more
europepmc   +1 more source

Study of Stress-Annealing Enhancement of Magnetoimpedance Effect in Fe_89.8Ni_1.5Si_5.2B₃C_0.5Metallic Glass Ribbons

, 2008
A. Kalezić-Glišović, Nebojša Mitrović, A. Maričić, Aleksandar Djukić, R. Simeunović   +4 more
openalex   +1 more source

Polymer‐Incorporated Mechanically Compliant Carbon Nanotube Microelectrode Arrays for Multichannel Neural Signal Recording

Advanced Functional Materials, EarlyView.
This work presents a soft microelectrode array based on vertically aligned carbon nanotube (CNT) forests, combining high conductivity with mechanical softness. A densification process and air‐pressure‐assisted flexibilization improve structural integrity, ensuring stable insertion and reduced inflammation.
Hyeonhee Roh, Kwangjun Kim, Chaesung Kim, Minju Kim, Minwook Kim, Sangjun Sim, Jongbaeg Kim, Jong G. Ok, Maesoon Im   +8 more
wiley   +1 more source

Low Resistivity and High Carrier Concentration in SnO₂ Thin Films: The Impact of Nitrogen-Hydrogen Annealing Treatments. [PDF]

Nanomaterials (Basel)
Chen QZ, Zhang ZX, Fu WQ, Duan JR, Yang YX, Chen CN, Lien SY.   +6 more
europepmc   +1 more source

Crystallization of piezoceramic films on glass via flash lamp annealing

, 2023
Longfei Song, Juliette Cardoletti, Alfredo Blazquez Martinez, Andreja Benčan, Brigita Kmet, Stéphanie Girod, Emmanuel Defaÿ, Sebastjan Glinšek   +7 more
openalex   +2 more sources

Polaronic and Electrochemical Signatures in Group IVB (Ti, Zr, Hf) Oxides: Unified SKP–DFT Insights for Tunable Transport in Energy and Electronic Devices

Advanced Functional Materials, EarlyView.
Charge carrier concentration and mobility in TiO2, ZrO2, and HfO2 powder films are experimentally mapped as a function of temperature. The results uncover polaron‐mediated transport regimes and field‐activated conduction, enabling the design of oxide‐based electronic and energy devices with thermally tunable functionality.
Beatriz Moura Gomes, Júlia Holtz, Maria Luís Pinto, Maria Helena Braga   +3 more
wiley   +1 more source

Submicron periodic structures in metal oxide coating via laser ablation and thermal oxidation

Applied Surface Science Advances
Nano- and micro-structuring of transparent glass for IR or visible spectrum applications is challenging due to low yield and slow processes, especially while maintaining high surface quality.
Julianija Nikitina, Simonas Indrišiūnas, Tomas Tolenis, Mindaugas Andrulevicius, Lina Grineviciute   +4 more
doaj  

Kovacs-like memory effect mediated fiber Bragg grating: resembling a silica quipu. [PDF]

Nat Commun
Yang Q, Xu Z, Yue X, Long J, Wang H, Zha Y, Feng F, Ran Y, Guan BO.   +8 more
europepmc   +1 more source