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Novel one pot stoichiometric synthesis of nickel sulfide nanomaterials as counter electrodes for QDSSCs

Publications associées (32)

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Photocathodes based on cuprous oxide (Cu2O) are promising materials for large scale and widespread solar fuel generation due to the abundance of copper, suitable bandgap, and favorable band alignments for reducing water and carbon dioxide. A protective ove ...

Wiley-Blackwell2014

Superior catalytic activity of sub-5 μm-thick Pt/SiC films as counter electrodes for dye-sensitized solar cells

Ulf Anders Hagfeldt, Sining Yun

Dye-sensitized solar cells with sub-5 μm-thick Pt/SiC-P (1.79 at. % Pt), Pt/SiC-M (0.45 at. % Pt), and Pt/SiC-R (0.39 at. % Pt) counter electrode (CE) films fabricated by using three different processes produced power conversion efficiencies of 6.82, 7.64, ...

Wiley-VCH Verlag Berlin2014

Vanadium nitride (VN) peas and cubes were synthesized by regulating the molar ratio of the starting materials (urea/VOCl3) via the urea-metal chloride route. The as-prepared VN compounds were subsequently introduced into dye-sensitized solar cells (DSCs) a ...

2014

Light scattering, porosity, surface area, and morphology of TiO2 working electrode can affect the power conversion efficiency of dye -sensitized solar cells dramatically. Here mesoporous TiO2 microbeads were tested as working electrode in dye-sensitized so ...

2014

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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 Chemistry2014

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For the 1st time, nonstoichiometric WO2.72 was used as a counter electrode (CE) in dye-sensitized solar cells (DSSCs). O-vacancy-rich WO2.72 nanorod bundles with notable catalytic activity for triiodide and thiolate redn. were prepd. The photovoltaic param ...

2013

Pt-like Behavior of High-Performance Counter Electrodes Prepared from Binary Tantalum Compounds Showing High Electrocatalytic Activity for Dye-Sensitized Solar Cells

Ulf Anders Hagfeldt, Sining Yun

Three Ta-based compds. were successfully prepd. using a simple chem. synthesis. In dye-sensitized solar cell systems Ta3N5, TaOx, and Ta4C3 acted as counter electrode catalysts and demonstrated impressive catalytic activity and stability for I3- redn. The ...

2013

High-performance phosphide/carbon counter electrode for both iodide and organic redox couples in dye-sensitized solar cells

Ulf Anders Hagfeldt, Zaiwei Wang, Liang Wang

Mo phosphide (MoP), Ni phosphide (Ni5P4), and C-supported Ni5P4 (Ni5P4/C) were proposed for use as counter electrode (CE) catalysts in dye-sensitized solar cells (DSCs) for the regeneration of both the conventional I3-/I- redox couple and a new org. T2/T- ...

2012

Economical Pt-Free Catalysts for Counter Electrodes of Dye-Sensitized Solar Cells

Michael Graetzel, Ulf Anders Hagfeldt, Liang Wang

Three classes (carbides, nitrides and oxides) of nanoscaled early-transition-metal catalysts have been proposed to replace the expensive Pt catalyst as counter electrodes (CEs) in dye-sensitized solar cells (DSCs). Of these catalysts, Cr3C2, CrN, VC(N), VN ...

2012

Influence of the counter electrode on the photovoltaic performance of dye-sensitized solar cells using a disulfide/thiolate redox electrolyte

Michael Graetzel, Mohammad Khaja Nazeeruddin, Shaik Mohammed Zakeeruddin, Julian Burschka

Strong scientific interests focus on the investigation of iodine-free redox couples for their application in dye-sensitized solar cells (DSCs). Recently, a disulfide/thiolate-based redox electrolyte has been proposed as a valuable alternative to the conven ...

2012