CAS: 12036-21-4; Vanadium Oxide (Vo2)

上下游产品

oxovanadium(IV) nitrogen(II) oxide oxygen carbon dioxide

Oxo Peroxo Vanadium (V) (1+)置于hydroxide体系中,化学反应生成二氧化钒
参考文献:Pucheault,J.; Ferradini,C.,1958,Vol. 9,P. 168-169
标题:Pucheault,J.; Ferradini,C.,1958,Vol. 9,P. 168-169

专利信息

专利号:WO-2018023720-A1
优先权日:2016-08-05
标题:Hydrothermal synthesis of monoclinic vanadium dioxide nanowires with high aspect ratio
发明人：CHENG CHUN; SHI RUN; WANG JINGWEI; ZHANG LINFEI; HUANG CHENGZI; SHI YUAN; BAO SHUHAN; ZHANG LIANG
权利人:UNIV SOUTH SCIENCE & TECHNOLOGY CHINA
摘要:Scalable hydrothermal synthesis of VO 2 (M) nanowires with high aspect ratio is achieved via the reduction of V 2 O 5 by oxalic acid in a diluted H 2 SO 4 solution, and the maximum length of as-synthesized nanowires can reach 90μm. Doping of Sb changes the structural phase diagram of VO 2 lattice, accompanied with a large decline of its phase temperature to even subzero temperature, at the same time impurity VO 2 (A) is effectively eliminated. Interestingly, the phase transition temperature of the un-doped sample is also obviously lower than the theoretical value.

专利号:US-7955857-B2
优先权日:2003-12-04
标题:Synthesis of nanoparticles with a closed structure of metal chalcogens having a lamellar crystalographic structure
发明人：BASTIDE STEPHANE; LEVY-CLEMENT CLAUDE; DUPHIL DOMINIQUE; BORRA JEAN-PASCAL
权利人:CENTRE NAT RECH SCIENT
摘要:The invention relates to a spray pyrolysis method characterized in that it is used in the synthesis of nanoparticles with a closed structure of metal chalcogens having a lamellar crystalographic structure of general formula M a X b , wherein M represents a metal and X represents a chalcogen, a and b represent the respective proportions of metal and chalcogen, and in that it comprises pyrolysis of a liquid aerosol obtained from a solution of at least one metal precursor (M) and a chalcogen (X), or at least one precursor of said metal (M) and at least one precursor of said chalcogen (X) dissolved in a solvent, said solution being atomized into fine droplets in a suspension in a vector gas.

专利号:US-9975804-B2
优先权日:2016-04-15
标 题:Continuous flow synthesis of VO2 nanoparticles or nanorods by using a microreactor
发明人：LI JIE; SUN YUGANG; MUEHLEISEN RALPH T; GUZOWSKI LEAH B; YAN XIAOJIE; Dull Samuel; CASTANO IOANNINA
权利人:LI JIE; SUN YUGANG; MUEHLEISEN RALPH T; GUZOWSKI LEAH B; YAN XIAOJIE; Dull Samuel; CASTANO IOANNINA; UCHICAGO ARGONNE LLC
摘要:The invention provides a method for producing composite nanoparticles, the method using a first compound capable of transitioning from a monoclinic to a tetragonal rutile crystal state upon heating, and having the steps of subjecting the first compound to a hydrothermal synthesis to create anisotropic crystals of the compound; encapsulating the first compound with a second compound to create a core-shell construct; and annealing the construct as needed. Also provided is a device for continuously synthesizing composite nanoparticles, the device having a first precursor supply and a second precursor supply; a mixer to homogeneously combine the first precursor and second precursor to create a liquor; a first microreactor to subject the liquor to hydrothermic conditions to create an\\isotropic particles in a continuous operation mode; and a second microreactor for coating the particles with a third precursor to create a core-shell construct.

专利号:US-12429715-B2
优先权日:2018-11-06
标 题:Synthesis and application of light management with thermochromic hydrogel microparticles
发明人：FANG NICHOLAS; LI XINHAO; LIU CHANG; FENG SHIEN-PING
权利人:MASSACHUSETTS INST TECHNOLOGY; UNIV OF HONG KONG
摘要:Intelligent control of solar transmission through windows promises to reduce energy consumption for thermal comfort in buildings. However, the ability of current smart windows to regulate solar gain based on tunable extinction of phase-change materials is not optimum. A thin-film thermochromic device based on tunable light scattering of hydrogel microparticles of prescribed diameters is reported. In the study, poly (N-isopropylacrylamide)-2-Aminoethylmethacrylate hydrochloride (pNIPAm-AEMA) microparticles are synthesized, with low phase transition temperature Ëœ32° C. Notably, the average size of pNIPAm-AEMA particles can vary from 1388 nm at 25° C. to 546 nm at 35° C., leading to unprecedented infrared transmittance modulation of 75.6%, in agreement with the numerical simulation based on Mie theory. A high luminous transmittance of 87.2% is accomplished. The pNIPAm-AEMA device demonstrates tunable scattering with excellent stability and scalability, which may find application in a broader field of light management beyond energy-saving smart windows.

专利号:WO-2024187240-A1
优先权日:2023-03-15
标 题 :Method of synthesis of particles displaying insulator-to-metal transition
发明人：TAHA MOHAMMAD
权利人:UNIV MELBOURNE
摘要:A method of producing transition metal oxide particles that display insulator-to-metal transition (IMT), the method comprising the steps of a) hydrothermally reducing a transition metal oxide precursor to produce amorphous transition metal oxide hydrate particles, and b) annealing said amorphous transition metal oxide hydrate particles to produce crystalline transition metal oxide particles.

专利号:WO-2025213092-A1
优先权日:2024-04-04
标 题 :Synthesis of thermochromic nanoparticles on nanoparticulate scaffolding
发明人：CARDENAL ASHLEY D; DASARI MALLIKA; KURTZ WILLIAM J
权利人:IR DYNAMICS LLC
摘要:A thermochromic material comprising vanadium dioxide (VO2) nanoparticles dispersed on surfaces of larger scaffolding particles such as amorphous silicon dioxide (SiO2). The SiO2 particles prevent the vanadium dioxide nanoparticles, which are typically less than approximately 40 nm in size, from sintering into larger particles, thus giving the material advantageous properties. A base added to the vanadium precursor solution functionalizes the scaffolding particles. The size of the vanadium dioxide nanoparticles can be changed by changing the size of the scaffolding particles. The material can be dispersed in a coating, film, ink, plastic, or polymer.