Publication
Fine-tuning the coordination atoms of copper redox mediators: an effective strategy for boosting the photovoltage of dye-sensitized solar cells
Related publications (44)
Geometrically Balanced Metal Detector Based on Optimized Frequencies and Spatial Phase Profile Responses to Discriminate Different Metal Rods Features
Yves Perriard, Chafic Abu Antoun
Inductive detection with double-balanced coils and a spatial phase profile were used to identify copper and steel rods in a composite target. The electromagnetic detection system was designed and validated using a dipole model. Simulations and experiments ...
Ieee-Inst Electrical Electronics Engineers Inc2017Cobalt and/or copper complexes for use as hole transport layer dopants to improve optoelectronic or photoelectrochemical devices
Michael Graetzel, Mohammad Khaja Nazeeruddin, Shaik Mohammed Zakeeruddin, Fabrizio Giordano, Ulf Anders Hagfeldt, Marina Freitag, Julian Burschka
This invention discloses a new class of dopants that allows easy tuning of the chem., phys., optical and/or electronic properties of the doping agent in order to carefully adapt it to the desired application, such as org. solar cells or solid state dye-sen ...
U.S. Pat. Appl. Publ. (2016),2016Donor design and modification strategies of metal-free sensitizers for highly-efficient n-type dye-sensitized solar cells
Dye-sensitized solar cells (DSSCs) cannot be developed without the research on sensitizers. As the key of light harvesting and electron generation, thousands of sensitizers have been designed for the application in DSSC devices. Among them, organic sensiti ...
Higher Education Press2016Temperature-dependent self-assembly of NC–Ph5–CN molecules on Cu(111)
Harald Brune, Marina Pivetta, Edgar Fernandes, Giulia Elisabetta Pacchioni
We present the results of temperature-dependent self-assembly of dicarbonitrile-pentaphenyl molecules (NC-Ph-5-CN) on Cu(111). Our low-temperature scanning tunneling microscopy study reveals the formation of metal-organic and purely organic structures, dep ...
Amer Inst Physics2015Branched and bulky substituted ruthenium sensitizers for dye-sensitized solar cells
Michael Graetzel, Mohammad Khaja Nazeeruddin, Aravind Kumar Chandiran
We report on the synthesis, and photovoltaic performances of four novel Ru(II)-bipyridine heteroteptic complexes TT206-209, incorporating branched and bulkier alkyl chains compared to their linear analogues C106 and CYC-B11 previously reported. In both ser ...
Royal Society of Chemistry2014Molecular gelation of ionic liquid-sulfolane mixtures, a solid electrolyte for high performance dye-sensitized solar cells
Michael Graetzel, Shaik Mohammed Zakeeruddin, Jean-David Décoppet, Thomas Moehl
Cyclohexanecarboxylic acid-[4-(3-tetradecylureido)phenyl]amide is an efficient gelator to solidify ionic liquid electrolytes. In this paper we apply this low molecular weight gelator to solidify the newly prepared sulfolane based ionic liquid electrolyte. ...
Royal Society of Chemistry2014Effect of the chromophores structures on the performance of solid-state dye sensitized solar cells
Ulf Anders Hagfeldt, Liang Sun
The effect of metal-free chromophores on dye-sensitized solar cell performance is investigated. Solid state dye-sensitized solar cells (ssDSCs) using different molecular sensitizers based on triphenylamine (TPA) with thiophene linkers and different alkyl c ...
2014Molecular dynamics simulations of apocupredoxins: insights into the formation and stabilization of copper sites under entatic control
Matteo Dal Peraro, Luciano Andres Abriata
Cupredoxins perform copper-mediated long-range electron transfer (ET) in biological systems. Their copper-binding sites have evolved to force copper ions into ET-competent systems with decreased reorganization energy, increased reduction potential, and a d ...
Springer2014Integration of solid-state dye-sensitized solar cell with metal oxide charge storage material into photoelectrochemical capacitor
Nikolaos Vlachopoulos, Ulf Anders Hagfeldt, Lin Yang
A solid-state photo-rechargeable capacitor (photocapacitor) is obtained here by coupling a dye-sensitized solar cell and a ruthenium oxide based electrochem. capacitor. This integrated system permits direct storage of energy generated by sunlight within a ...
2013Successful demonstration of an efficient I-/(SeCN)(2) redox mediator for dye-sensitized solar cells
A new I-/(SeCN)(2) redox mediator has favorable properties for dye-sensitized solar cells (DSCs) such as less visible light absorption, higher ionic conductivity, and downward shift of redox potential than I-/I-3(-). It was then applied for DSCs towards in ...
2012