Topic
Redox
About: Redox is a research topic. Over the lifetime, 26853 publications have been published within this topic receiving 862368 citations. The topic is also known as: reduction-oxidation & reduction-oxidation reaction.
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TL;DR: In this article, a comparative study of biomass catalysis using thermal heterogeneous and electrocatalysis in liquid-phase was performed using aqueous-phase heterogeneous catalysis under mild temperature (50°C) and pressure (10 bar O 2 ) conditions.
221 citations
TL;DR: Two copper bipyridyl complexes are presented as new redox couples for DSCs and the high photovoltaic performance of Cu-based redox mediators underlines the significant potential of the new red ox mediators and points to a new research and development direction for D SCs.
Abstract: Redox mediators play a major role determining the photocurrent and the photovoltage in dye-sensitized solar cells (DSCs). To maintain the photocurrent, the reduction of oxidized dye by the redox mediator should be significantly faster than the electron back transfer between TiO2 and the oxidized dye. The driving force for dye regeneration with the redox mediator should be sufficiently low to provide high photovoltages. With the introduction of our new copper complexes as promising redox mediators in DSCs both criteria are satisfied to enhance power conversion efficiencies. In this study, two copper bipyridyl complexes, Cu(II/I)(dmby)2TFSI2/1 (0.97 V vs SHE, dmby = 6,6′-dimethyl-2,2′-bipyridine) and Cu(II/I)(tmby)2TFSI2/1 (0.87 V vs SHE, tmby = 4,4′,6,6′-tetramethyl-2,2′-bipyridine), are presented as new redox couples for DSCs. They are compared to previously reported Cu(II/I)(dmp)2TFSI2/1 (0.93 V vs SHE, dmp = bis(2,9-dimethyl-1,10-phenanthroline). Due to the small reorganization energy between Cu(I) and ...
221 citations
221 citations
Patent•
15 Nov 1985TL;DR: In this paper, a method for the controlled delivery of an ionic bioactive chemical into a physiological medium comprising ionically binding the chemical to redox sites on a charged polymer and releasing the bound chemical into the medium by neutralizing the charge on the polymer.
Abstract: A method is disclosed for the controlled delivery of an ionic bioactive chemical into a physiological medium comprising ionically binding the chemical to redox sites on a charged polymer and releasing the bound chemical into the medium by neutralizing the charge on the polymer.
221 citations
TL;DR: In this paper, the deactivating effects produced by CO2 or H2O presence on its activity for preferential oxidation of CO in a H2-rich stream were explored by means of operando-DRIFTS experiments.
220 citations