TUNGSTEN SELENIDE
- Name TUNGSTEN SELENIDE
- CAS 12067-46-8
- Purity 99%
Product Details
Quality Factory Supply 99% Pure TUNGSTEN SELENIDE 12067-46-8 with Efficient Delivery
- Molecular Formula: Se2W
- Molecular Weight: 341.77
- Boiling Point: °Cat760mmHg
- Flash Point: °C
- PSA： 0.00000
- Density: g/cm3
- LogP: -0.53660
TUNGSTEN SELENIDE(Cas 12067-46-8) Usage
|
Hazard |
TLV: 5 mg(W)/m3. |
|
Definition |
Lamellarstructured, dry, solid lubricant with exceptionally high temperature and high vacuum stability. Retains its lubricity to temperatures as low as ?265C. |
InChI:InChI=1/2Se.W/rSe2W/c1-3-2
12067-46-8 Relevant articles
Effect of Long-Range and Local Order of Exfoliated and Proton-Beam-irradiated WSe2 Nanosheets for Sodium Ion Battery Application
Chun, Yu-Gyeong,Lee, Won-Jae,Lee, Minseop,Paek, Seung-Min
, p. 665 - 670 (2018)
WSe2 nanosheets were synthesized by mech...
Site Selective Doping of Ultrathin Metal Dichalcogenides by Laser-Assisted Reaction
Kim, Eunpa,Ko, Changhyun,Kim, Kyunghoon,Chen, Yabin,Suh, Joonki,Ryu, Sang-Gil,Wu, Kedi,Meng, Xiuqing,Suslu, Aslihan,Tongay, Sefaattin,Wu, Junqiao,Grigoropoulos, Costas P.
, p. 341 - 346 (2016)
Laser-assisted phosphorus doping is demo...
Morphological characteristics in polycrystalline tungsten diselenide regulating transport properties lead to predominant thermoelectric performance
Kim, Cham,Baek, Ju Young,Kim, Dong Hwan,Kim, Jong Tae,Lopez, David Humberto,Kim, Taewook,Kim, Hoyoung
, p. 183 - 189 (2017)
We studied a polycrystalline p-type WSe2...
In-plane thermal conductivity of disordered layered W Se2 and (W)x (W Se2) y superlattice films
Mavrokefalos, Anastassios,Nguyen, Ngoc T.,Pettes, Michael T.,Johnson, David C.,Shi, Li
, (2007)
It was recently reported that misoriente...
A 3D dendritic WSe2 catalyst grown on carbon nanofiber mats for efficient hydrogen evolution
Zou, Meiling,Zhang, Junfeng,Zhu, Han,Du, Mingliang,Wang, Qingfa,Zhang, Ming,Zhang, Xiangwen
, p. 12149 - 12153 (2015)
3D dendritic WSe2 on conductive carbon n...
Synthesis, crystal structure and physical properties of a novel quaternary selenide Cu6GeWSe8
Chen, Genfu,Gu, Yadong,Ren, Zhian,Ruan, Binbin,Yang, Qingsong,Zhou, Menghu
, (2021)
Here we report a novel quaternary seleni...
ELECTRODEPOSITED TUNGSTEN SELENIDE FILMS.
Chandra,Srivastava,Sahu
, p. 497 - 503 (1985)
There is interest in developing inexpens...
Solution-phase synthesis of highly conductive tungsten diselenide nanosheets
Antunez, Priscilla D.,Webber, David H.,Brutchey, Richard L.
, p. 2385 - 2387 (2013)
A high-yielding synthesis of colloidal 2...
Graphene analogues of layered metal selenides
Matte, H. S. S. Ramakrishna,Plowman, Blake,Datta, Ranjan,Rao
, p. 10322 - 10325 (2011)
Graphene analogues of MoSe2 and WSe2 hav...
Standard molar enthalpy of formation by fluorine-combustion calorimetry of tungsten diselenide (WSe2). Thermodynamics of the high-temperature vaporization of WSe2. Revised value of the standard molar enthalpy of formation of molybdenite (MoS2)
O'Hare, P. A. G.,Lewis, Brett M.,Parkinson, B. A.
, p. 681 - 692 (1988)
A high-purity sample of WSe2, containing...
Exfoliation of bulk inorganic layered materials into nanosheets by the rapid quenching method and their electrochemical performance
Chakravarty, Disha,Late, Dattatray J.
, p. 1973 - 1980 (2015)
We report herein the results of our inve...
Novel magnetically separable Fe3O4-WSe2/NG photocatalysts: Synthesis and photocatalytic performance under visible-light irradiation
An, Baihong,Liu, Yanan,Xu, Chengcheng,Wang, Han,Wan, Jun
, p. 8914 - 8923 (2018)
Visible light responsive Fe3O4-WSe2/NG (...
Using ligands to control reactivity, size and phase in the colloidal synthesis of WSe2 nanocrystals
Geisenhoff, Jessica Q.,Tamura, Ashley K.,Schimpf, Alina M.
, p. 8856 - 8859 (2019)
Colloidal chemistry is leveraged for siz...
Low-Temperature Solution Synthesis of Transition Metal Dichalcogenide Alloys with Tunable Optical Properties
Sun, Yifan,Fujisawa, Kazunori,Lin, Zhong,Lei, Yu,Mondschein, Jared S.,Terrones, Mauricio,Schaak, Raymond E.
, p. 11096 - 11105 (2017)
Nanostructures of layered transition met...
MoSe2 and WSe2 nanotubes and related structures
Nath,Rao
, p. 2236 - 2237 (2001)
MoSe2 and WSe2 nanotubes are obtained by...
Electronic energy states of tungsten dichalcogenides by low energy electron loss spectroscopy study
Ito, Toshimichi,Iwami, Motohiro,Hiraki, Akio
, p. 106 - 113 (1981)
Low energy electron loss spectroscopy (E...
Chalcogen-vacancy group VI transition metal dichalcogenide nanosheets for electrochemical and photoelectrochemical hydrogen evolution
Kwak, In Hye,Kwon, Ik Seon,Lee, Jong Hyun,Lim, Young Rok,Park, Jeunghee
, p. 101 - 109 (2021)
Solar photoelectrochemical water splitti...
Observation of superconductivity in pressurized 2M WSe2 crystals
Fang, Yuqiang,Dong, Qing,Pan, Jie,Liu, Hanyu,Liu, Pan,Sun, Yiyang,Li, Quanjun,Zhao, Wei,Liu, Bingbing,Huang, Fuqiang
, p. 8551 - 8555 (2019)
In this communication, we report a new-p...
New high-temperature Pb-catalyzed synthesis of inorganic nanotubes
Brontvein, Olga,Albu-Yaron, Ana,Levy, Moshe,Tenne, Reshef,Stroppa, Daniel G.,Houben, Lothar,Popovitz-Biro, Ronit,Feuerman, Daniel,Gordon, Jeffrey M.
, p. 16379 - 16386,8 (2012)
A new procedure for the synthesis of MoS...
12067-46-8 Process route
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7782-49-2
selenium
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7440-33-7
tungsten
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12067-46-8
tungsten diselenide
| Conditions | Yield |
|---|---|
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selenium; tungsten;
In
neat (no solvent, solid phase);
at 900 ℃;
for 12h;
Inert atmosphere;
In
neat (no solvent, solid phase);
at 1150 ℃;
for 0.166667h;
under 375038 Torr;
Inert atmosphere;
|
-
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7782-49-2
selenium
-
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7440-33-7
tungsten
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12067-46-8
tungsten diselenide
| Conditions | Yield |
|---|---|
|
950-1150°C;
|
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In
neat (no solvent);
heating (sealed silica ampoule, vac., 1E-6 Torr, 750-850°C, 3 days), cooling;
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|
|
In
neat (no solvent);
ignition (corundum crucible, calorimetric bomb);
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In
neat (no solvent);
reacted in stoichiometric amounts at 950°C for 1 week;
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In
neat (no solvent);
slow heating of weighed mixt. (sealed evacuated quartz ampoule, ca. 1E-5 Torr) to 950°C (horizontal furnace), maintaining there for 1 week; powder X-ray diffraction;
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In
neat (no solvent);
stoich. amounts of educts, react. in a moisture free sealed quartz ampoule, heating in a tube furnace to 1223 K in a rate of 3 mK/s, cooling after several days, shaking and reheating to 1223 K for 7 d; elem. anal.;
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In
neat (no solvent);
prepn. film of tungsten diselenide by vac. deposition of tungsten and then selenium on Si substrate;
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In
neat (no solvent, solid phase);
reacting Se vapor with powdered metal at 1000K in a flowing inert gas or by reacting the components in evacuated quartz ampules, utilizing a particle size of less than 50 μm; x-ray diffraction;
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stoichiometric mixtures of elements were sealed in evacuated silica tubes; heated to 450°C for two days; fired at 1000°C for 10 days;
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In
neat (no solvent, solid phase);
at 1065 ℃;
for 72h;
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12067-46-8 Upstream products
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7782-49-2
selenium
-
7440-33-7
tungsten
-
630-10-4
selenourea
-
12185-17-0
selenium dimer
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