Topic
Ammonium tetrathiomolybdate
About: Ammonium tetrathiomolybdate is a research topic. Over the lifetime, 187 publications have been published within this topic receiving 4249 citations.
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Patent•
24 Oct 2003
TL;DR: In this article, a process for producing ammonium polythiomolybdate of the formula (NH 4 ) 2 Mo 3 S 13.n H 2 O where n is 0, 1 or 2 is described.
Abstract: A process for producing an ammonium polythiomolybdate of the formula (NH 4 ) 2 Mo 3 S 13 .n H 2 O where n is 0, 1 or 2 in which an aqueous ammoniacal molybdate solution is reacted with hydrogen sulfide gas in a closed system at superatmospheric pressure until the H 2 S is no longer absorbed by the solution to form a slurry of solid ammonium tetrathiomolybdate containing a portion of the starting molybdenum in a mother liquor containing the balance of the molybdenum and thereafter heat soaking the reaction product in the presence of elemental sulfur to form the desired product.
Patent•
10 Apr 2020
TL;DR: In this article, a polyethylenedioxythiophene/molybdenum disulfide composite fiber and application thereof was revealed, which belongs to the field of materials and the field in electrochemistry.
Abstract: The invention discloses a polyethylenedioxythiophene/molybdenum disulfide composite fiber and application thereof, and belongs to the field of materials and the field of electrochemistry The preparation method comprises the following steps: providing a molybdenum source and a sulfur source by using ammonium tetrathiomolybdate, performing reacting in a poly(3, 4-ethylenedioxythiophene): sodium polystyrenesulfonate solution system at 140-240 DEG C for 60-480 hours, performing filtering, washing with water, and drying to obtain the polyethylenedioxythiophene/molybdenum disulfide network porouscomposite fiber The composite fiber is used for a supercapacitor electrode, and the volume specific capacity reaches 4364 F/cm3 The synthetic route is simple, the production period is short, the yield is high, industrial production is easy to achieve, and the product can be applied to the fields of biology, catalysis, energy storage and the like and has great application prospects
Patent•
23 Dec 2020
TL;DR: In this paper, a process for bis-choline tetrathiomolybdate is described, where the choline salt is a hydroxide, acetate, or halide choline.
Abstract: A process is provided for the production of bis-choline tetrathiomolybdate, the process comprising reacting a choline salt with ammonium tetrathiomolybdate, wherein the choline salt is a hydroxide, acetate, or halide choline salt, wherein the process comprises: combining the choline salt with a first mixture of ammonium tetrathiomolybdate in water, wherein a molar excess of choline salt to ammonium tetrathiomolybdate is used, for a first reaction period to provide a first reaction mixture; subjecting the first reaction mixture to a reduced pressure for a second reaction period to provide a second reaction mixture; and, isolating bis-choline tetrathiomolybdate from the second reaction mixture, wherein isolating bis-choline tetrathiomolybdate comprises adding ethanol to the second reaction mixture.
Patent•
12 Oct 2018
TL;DR: In this article, a preparation method of a molybdenum disulfide-nitrogen sulfur doped graphite foil composite nano material is described, and the composite material is obtained through oxidation and hydrothermal processes.
Abstract: The invention discloses a preparation method of a molybdenum disulfide-nitrogen sulfur doped graphite foil composite nano material The method uses graphite foil, HNO3, H2SO4, ammonium tetrathiomolybdate, thiourea, oxalic acid and ultrapure water as raw materials; and the method is realized by the following steps: graphite oxide foil doped by nitrogen and sulfur atoms is prepared; a hydrothermal synthesis reaction is performed; and washing is performed, and drying is performed According to the method disclosed by the invention, the raw materials are simple and easy to obtain, the composite material is obtained through oxidation and hydrothermal processes, the whole experimental process is simple and easy to operate, large-scale production of the product is very easy to realize, and the product can be recovered by 100% during use; the obtained molybdenum disulfide-nitrogen sulfur doped oxidized graphite foil has excellent flexibility, molybdenum disulfide grows on graphite foil in an epitaxial growth manner, and the product has good uniformity and a very good catalytic effect on electrocatalytic hydrogen evolution; and in addition, the material is expected to have a good application in aspects such as flexible batteries and flexible sensors
Patent•
12 Aug 2015
TL;DR: In this article, a sawtooth chain-shaped thio-metal cluster functional material with visible light catalytic performance for effectively degrading organic dye methylene blue is obtained, which has the advantage of having the capability of achieving high catalytic capability.
Abstract: The invention discloses a preparation method for a sawtooth chain-shaped thio-metal cluster functional material with visible light catalytic performance. The preparation method comprises the following steps: introducing hydrogen sulfide into an ammonia water solution of tungstic acid or sodium molybdate to react, and preparing ammonium tetrathiotungstate or ammonium tetrathiomolybdate by performing suction filtration and drying; adding the ammonium tetrathiotungstate or ammonium tetrathiomolybdate into a N, N '-dimethyl formamide solution of cuprous cyanide; adding pyridine into the prepared solution, and stirring to prepare a solution containing the sawtooth chain-shaped thio-metal cluster functional material; filtering, adding a precipitator, crystallizing, filtering, washing and drying to obtain the sawtooth chain-shaped thio-metal cluster functional material. The preparation method has the advantage that the sawtooth chain-shaped thio-metal cluster functional material with visible light catalytic performance for effectively degrading organic dye methylene blue is obtained.