Results 71 to 80 of about 53,090 (285)

Multi-vanadium substituted polyoxometalates as efficient electrocatalysts for the oxidation of l-cysteine at low potential on glassy carbon electrodes [PDF]

, 2006
The electrochemical behaviours of the sandwich-type complex [As2W18(VO)3O66]11- were studied in a pH 7 medium and compared with those of the three following Dawson-type vanadium-substituted complexes: [P2V2W16O62]8- (P2V2W16), [P2MoV2W15O62]8- (P2MoV2W15)
Contant, Roland, De Oliveira, Pedro, Keita, Bineta, Mialane, Pierre, Nadjo, Louis, Sécheresse, Francis   +5 more
core   +5 more sources

Modulating Electrochemical CO2 Reduction Pathways via Interfacial Electric Field

Advanced Functional Materials, EarlyView.
Engineering interfacial electric fields in Cu/ITO electrodes enables precise control of CO2 reduction pathways. Charge transfer from Cu to ITO generates positively charged Cu species that steer selectivity from ethylene toward methane. This work demonstrates how interfacial electric‐field modulation can direct reaction intermediates and transform ...
Mahdi Salehi, Zhengyuan Gao, Sai Phani Kumar Vangala, Amirhossein Farzi, Hamed Heidarpour, Morgan McKee, Nikolay Kornienko, Ali Seifitokaldani   +7 more
wiley   +1 more source

Recent advances on the electrocatalytic oxidation of biomass-derived aldehydes

Green Energy & Environment
The escalating demand for sustainable and environmentally benign chemical processes has driven the exploration of biomass as an alternative to non-renewable resources.
Zhikeng Zheng, Ke Li, Lu Lin, Zhiwei Jiang, Yuchen Wang, Kai Yan   +5 more
doaj   +1 more source

Electrocatalytic Activities towards the Electrochemical Oxidation of Formic Acid and Oxygen Reduction Reactions over Bimetallic, Trimetallic and Core–Shell-Structured Pd-Based Materials

Inorganics, 2019
The structural design of nanosized electrocatalysts is extremely important for cathodic oxygen reduction reactions (ORR) and anodic oxidation reactions in small organic compounds in direct fuel cells.
Takao Gunji, Futoshi Matsumoto
doaj   +1 more source

Cross-linked CoMoO4/rGO nanosheets as oxygen reduction catalyst [PDF]

, 2017
Development of inexpensive and robust electrocatalysts towards oxygen reduction reaction (ORR) is crucial for the cost-affordable manufacturing of metal-air batteries and fuel cells. Here we show that cross-linked CoMoO4 nanosheets and reduced graphene
Fu, Jiaqi, Li, Yang-Guang, Meng, Jiang-Li, Miras, Haralampos N., Tan, Hua-Qiao, Wang, Yong-Hui, Wei, Mei-Jie, Zang, Hong-Ying   +7 more
core   +2 more sources

CO2 Reduction on Copper‐Nitrogen‐Doped Carbon Catalysts Tuned by Pulsed Potential Electrolysis: Effect of Pulse Potential

Advanced Functional Materials, EarlyView.
This study demonstrates that pulsed potential electrolysis significantly improves CO2 reduction performance on copper‐nitrogen doped carbon electrodes. The formation of cationic copper sites and metallic clusters as a function of applied intermittent potential leads to notable selectivity changes compared to potentiostatic reduction.
Dorottya Hursán, Janis Timoshenko, Andrea Martini, Hyo Sang Jeon, Eduardo Ortega, Martina Rüscher, Arno Bergmann, Aram Yoon, Uta Hejral, Antonia Herzog, Clara Rettenmaier, Felix T. Haase, Philipp Grosse, Beatriz Roldan Cuenya   +13 more
wiley   +1 more source

Electrooxidation of a cobalt based steel in LiOH: a non-noble metal based electro-catalyst suitable for durable water-splitting in an acidic milieu

, 2017
The use of proton exchange membrane (PEM) electrolyzers is the method of choice for the conversion of solar energy when frequently occurring changes of the current load are an issue. However, this technique requires electrolytes with low pH.
Daum, Diemo, Hana, Weijia, Krupp, Ulrich, Küpper, Karsten, Müller-Buschbaum, Klaus, Schmidt, Mercedes, Schäfer, Helmut, Stangl, Johannes, Steinhart, Martin, Wollschläger, Joachim   +9 more
core   +1 more source

CRISPR/Cas9‐Assisted Microrobots for Fast and Ultrasensitive “On‐The‐Fly” Next‐Generation DNA Detection

Advanced Functional Materials, EarlyView.
This work presents self‐propelled CRISPR/Cas9‐functionalized Au–MRs for rapid, amplification‐free, “on‐the‐fly” DNA detection. By harnessing motion‐assisted signal recovery, the platform achieved the limit of detection in low fM DNA concentrations, enabling detection across a wide dynamic range within only 5 min, which is significantly faster than any ...
Jyoti, Petr Michálek, Zbyněk Heger, Martin Pumera   +3 more
wiley   +1 more source

Synthesis of Au@PtAuAg Yolk-Shell Nanoalloy as an Electrocatalyst for Methanol Oxidation Reaction

International Journal of Electrochemical Science, 2019
Au@PtAuAg yolk-shell nanoalloy composed of an Au nanoparticle core and a PtAuAg shell was synthesized via a simple wet-chemical method. The Au@PtAuAg nanoalloy was applied as an electrocatalyst for methanol oxidation reaction, and it shows a good ...
Zirong Li, Jiajing Li, Zhenghua Wang
doaj   +1 more source

Electrocatalytic determination of captopril using a carbon paste electrode modified with N-(ferrocenyl methylidene) fluorene-2-amine and graphene/ZnO nanocomposite [PDF]

Journal of the Serbian Chemical Society, 2019
A carbon paste electrode (CPE) was modified with N-(ferrocenylmethylidene) fluorene-2-amine and graphene/ZnO nanocomposite. The electrooxidation of captopril (CAP) at the surface of the modified electrode was studied using electrochemical approaches. The
Safaei Mohadeseh, Beitollahi Hadi, Shishehbore Masoud Reza, Tajik Somayeh, Hosseinzadeh Rahman   +4 more
doaj   +1 more source