Results 61 to 70 of about 157,159 (302)

Rational Tuning of Hygroscopic Oscillation of Stacked Nanoflake Assemblies for Continuous Ambient Energy Harvesting

Advanced Materials, EarlyView.
Stacked nanoflake assembly (SNA) membranes can oscillate autonomously, offering opportunities for soft actuation and energy harvesting. This work uncovers the physical mechanism behind the sustained oscillation of SNA membranes in gradient humidity and identifies three governing dimensionless parameters, enabling rational design for optimizing SNA ...
Zijing Zhang, Jimin Fu, Gesa Zhang, Zhihua Liang, Boxun Zhang, Haimin Yao   +5 more
wiley   +1 more source

A Dual‐Bioresponsive and Programmable Microneedle Matrix as a Bioinspired Coupler for Orchestrating Diabetic Bone Regeneration

Advanced Materials, EarlyView.
This project developed a smart bandage‐like patch (a microneedle array) for repairing diabetic bone damage. It intelligently senses signals from infection and inflammation, then releases its medicines in a specific, timed sequence: first an antibacterial agent, then an anti‐inflammatory agent, and finally growth factors.
Yu Wang, Rui Chen, Yu Chen, Haowen Lu, Yuchen Qian, Zhiheng Gao, Zheming Shen, Xiaofei Zheng, Huilin Yang, Jun Zou, Yusen Qiao   +10 more
wiley   +1 more source

A novel high efficiency CMOS RF/DC power harvester based on constant on/off time buck controller for 60GHz frequency band [PDF]

Serbian Journal of Electrical Engineering, 2017
A novel 60 GHz RF/DC power harvesting system is presented. The system consists of RF to DC rectifier and a DC/DC Buck converter based on constant ON/OFF time (COOT) control.
Ninić Marko, Đurić Radivoje
doaj   +1 more source

From Behavior to Dynamics: Decoding Carrier Roles in Cu‐based Photocathodes for Solar‐Driven CO2 Reduction

Advanced Materials, EarlyView.
The performance of Cu‐based photocathodes in photoelectrochemical CO2 reduction is not governed by catalytic sites alone, but by the dynamic journey of photogenerated carriers. This review decodes how carrier generation, recombination, transport, accumulation, extraction, and electrolyte coupling shape catalytic activity, selectivity, and stability ...
Yi‐Cheng Wang, Chenyu Xu, Peng‐Fei Sui, Yi Liu, Xiaolei Wang, Jing‐Li Luo   +5 more
wiley   +1 more source

Rectifier Nonlinearity Effects on 4G and 5G Wireless Systems [PDF]

, 2018
In this paper, a waveform comparison and rectifier nonlinearity effects on 4G and 5G wireless systems are presented. The 3 MHz CP-OFDM and 5G FBMC signals are used in Matlab simulations.
Budimir, D., Olukoya, O.
core  

Energy Band Alignment and Electro‐Optical Behavior of Nearly Unstrained Monolayer MoS2 Heterostructures With GaN

Advanced Materials Interfaces, EarlyView.
Large size (∼100 µm) monolayer MoS2 grown by LPI‐CVD on n‐GaN exhibit a high n‐type doping, very low strain, and a type‐I band alignment at MoS2/GaN interface. Photocurrent measurements under illumination with photon energies from ∼2 to ∼5 eV show superior electro‐optical performances of these MoS2/n‐GaN heterojunctions as compared to Ni/n‐GaN devices ...
Salvatore Ethan Panasci, Emanuela Schilirò, Giuseppe Greco, Patrick Fiorenza, Fabrizio Roccaforte, Fiorenza Esposito, Igor Píš, Federica Bondino, Antonino Madonia, Marco Cannas, Simonpietro Agnello, Luca Seravalli, Filippo Giannazzo   +12 more
wiley   +1 more source

Diclofenac Prolongs Repolarization in Ventricular Muscle with Impaired Repolarization Reserve [PDF]

, 2012
Background: The aim of the present work was to characterize the electrophysiological effects of the non-steroidal anti- inflammatory drug diclofenac and to study the possible proarrhythmic potency of the drug in ventricular muscle.
Juhász Viktor, István Koncz, Biliczki, Péter, Kristóf Attila, Virág, László, Viktor Juhász, Papp Gyula, Papp Julius Gy, Szél Tamás, Varró András, Kristóf, Attila, Norbert Jost, András Varró, Attila Kristóf, Baczkó István, Virág László, Kohajda, Zsófia, László Virág, Husti, Zoltán, Juhász, Viktor, Zsófia Kohajda, Baczkó, István, Kohajda Zsófia, Biliczki Péter, Julius Gy Papp, Jost Norbert László, Jost, Norbert, Husti Zoltán, Varró, András, Tamás Szél, Jost Norbert, Koncz István, Péter Biliczki, Szél, Tamás, István Baczkó, Papp, Gyula, Zoltán Husti   +36 more
core   +1 more source

Design of Topology and Parameters of Interleaved Double Buck Single-phase Rectifier

机车电传动, 2019
The traditional single-phase rectification system is a boost system, so it requires an additional output buck link in low-voltage applications. The double buck rectifier can directly realize single-stage buck rectification, and has power decoupling ...
Jingwen AI, Qing DING, Yinghan GAO, Fen TANG, Yibing TONG   +4 more
doaj  

Interfacial Electronic Restructuring in MAPbBr3/rGO Hybrids Enabling Improved Charge Extraction for Efficient Photodetection

Advanced Materials Interfaces, EarlyView.
MAPbBr3/rGO hybrids exhibit interfacial electronic restructuring that enhances charge extraction in photodetectors. The incorporation of rGO modifies the surface chemical environment, enhances electron‐dominated transport, and suppresses performance degradation, resulting in higher responsivity, detectivity, and photostability than in pristine MAPbBr3 ...
Mohammed Misbah Uddin, Wisnu Tantyo Hadmojo, Zeyad M. Abdulhamid, Marwa Abd‐Ellah, Ahmed L. Abdelhady   +4 more
wiley   +1 more source

Rectifier systems for variable speed wind generation : a review

, 2012
The drive towards high efficiency wind energy conversion systems has resulted in almost all the modern wind turbines to operate in the variable speed mode which inevitably requires back-to-back power electronic converters to decouple generator dynamics ...
Vilathgamuwa, D. Mahinda, Vilathgamuwa, D. Mahinda., Jayasinghe, S. D. Gamini., D.M. Vilathgamuwa, Jayasinghe, S.D. Gamini, S.D.G. Jayasinghe   +5 more
core   +1 more source