Results 31 to 40 of about 1,599,637 (163)

Microgravimetric Studies of Selenium Electrodeposition Onto Different Substrates

Archives of Metallurgy and Materials, 2014
The mechanism of selenium electrodeposition from sulfuric acid solution on different substrates was studied with the electrochemical techniques. The cyclic voltammetry was combined with the quartz crystal microbalance technique to analyze selenium ...
Kowalik R.
doaj   +1 more source

Transporte de carga em compósitos de polianilina/V2O5 Charge transportation in polyaniline/V2O5 composites

Química Nova, 2004
In this work, composites formed from a mixture of V2O5 and polyaniline (PANI) were investigated, for applications as cathode materials for secondary lithium batteries.
Fritz Huguenin, Roberto M. Torresi
doaj   +1 more source

Functionalizing Micro‐to‐Mesoscopic Electrode Architectures for Regulating Electron Transfer Behaviors in Electrocatalysis

Advanced Functional Materials, EarlyView.
A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao, Jiaojiao Zhang, Shideng Yuan, Xinmeng Yu, Keming Wan, Xiaoguang Duan, Zhining Wang   +6 more
wiley   +1 more source

Development of a combined surface plasmon resonance/surface acoustic wave device for the characterization of biomolecules [PDF]

, 2009
It is known that acoustic sensor devices, if operated in liquid phase, are sensitive not just to the mass of the analyte but also to various other parameters, such as size, shape, charge and elastic constants of the analyte as well as bound and viscously
Tsortos, Achilleas, Roach, Paul, McHale, Glen, Papadakis, George, Newton, Michael, Gizeli, Electra, Bender, Florian   +6 more
core   +1 more source

Water Organization and Hydration‐Dependent Hydroxide Transport in Anion Exchange Membranes (AEM)

Advanced Functional Materials, EarlyView.
Hydroxide transport in anion exchange membranes is governed by the organization of water within the polymer rather than by hydration alone. A hydration‐window framework is presented to unify transport, swelling, and mechanical stability, providing guidance for designing durable membranes for fuel cells and other hydroxide‐based electrochemical ...
Phumlani F. Msomi
wiley   +1 more source

Low-Cost QCM Sensor System for Screening Semen Samples [PDF]

, 2010
Artificial insemination is a well-established part of modern agricultural practice. A viable semen sample is judged by the total number of spermatozoa (sperm) in the sample and the motility of the sperm.
Hughes, David, Carl R. Evans, Atherton, Shaun, Simon M. Stanley, Stanley, Simon, Morris, Robert, McHale, Glen, Michael I. Newton, Newton, Michael, Evans, Carl, Glen McHale, Robert H. Morris, Shaun Atherton, David C. Hughes   +13 more
core   +1 more source

Study of the Role of Boric Acid During the Electrochemical Deposition of Ni in a Sulfamate Bath

International Journal of Electrochemical Science, 2013
Electrodeposition of nickel from a sulfamate bath with and without boric acid was studied using linear voltammetry, electrochemical impedance spectroscopy (EIS) and electrochemical quartz crystal microbalance (EQCM) techniques.
C.E. Dávalos, J.R. López, H. Ruiz, Alia Méndez, R. Antaño-López, G. Trejo   +5 more
doaj   +1 more source

Ion‐Reconfigurable “N”‐Shaped Antiambipolar Behavior in Organic Electrochemical Transistors

Advanced Materials, EarlyView.
A unique N‐shaped negative differential transconductance (NDT) characteristics is demonstrated in single‐polymer organic electrochemical transistors through a sequential doping–redox–doping process driven by iodide ions. This redox‐driven mechanism enables low‐voltage, ion‐controlled reconfigurability and tunable current modulation, allowing seamless ...
Debdatta Panigrahi, Daniele Zucchelli, Zeinab Hamid, Christina Kousseff, Arup Sarkar, Aristea Pavlou, Zhitian Ling, Somayeh Kashani, Iain McCulloch, Paul W. M. Blom, Fabrizio Torricelli, Paschalis Gkoupidenis   +11 more
wiley   +1 more source

Ultrafast Vertical Organic Electrochemical Transistors With Ion‐Permeable Conductive Polymer Top Electrodes

Advanced Materials, EarlyView.
Vertical organic electrochemical transistors (vOECTs) are limited in speed by ion‐impermeable metal electrodes that slow ion injection. Using ion‐permeable PBFDO top electrodes allows direct vertical ion injection into BBL channels, achieving high current densities (>400 A cm−2), large on/off ratios (>106), and ultrafast switching in 28 µs. This sets a
Han‐Yan Wu, Yingxue An, Luigi Fabiano, Qifan Li, Qingqing Wang, Feng Zhang, Wenlong Jin, Miao Xiong, Junpeng Ji, Ugo Bruno, Grzegorz Greczynski, Grazia Maria Lucia Messina, Xianjie Liu, Chi‐Yuan Yang, Simone Fabiano   +14 more
wiley   +1 more source

Application of Electrochemical Quartz Crystal Microbalance to an Electroplating Monitor.

Journal of the Surface Finishing Society of Japan, 1995
The frequency change in EQCM was measured in an application to the monitoring of the thickness of nickel electroplating. The monitored thickness depended on the type of plating bath and the plating current density, which affected the stress in the plated film and the adhesive force between the gold film electrode and quartz.
KOBAYAKAWA, Koichi, MORISHITA, Kazuaki, SATO, Yuichi, FUJIMOTO, Eiji   +3 more
openaire   +2 more sources