What is the TUNGSTEN SELENIDE?

TUNGSTEN SELENIDE is , while it's Molecular Formula is Se 2 W. Tungsten(IV) selenide is used as an important compound in electrochemical solar cells. It acts as a stable semiconductor.

What is the CAS number for TUNGSTEN SELENIDE?

The CAS number of TUNGSTEN SELENIDE is 12067-46-8.

What is TUNGSTEN SELENIDE (12067-46-8) used for?

Tungsten(IV) selenide, also known as tungsten selenide, is a lamellar-structured, dry, solid lubricant with exceptionally high temperature and high vacuum stability. It is a stable semiconductor and retains its lubricity to temperatures as low as -265°C. It is available in the form of 99.8% pure material as a sputtering target to produce lubricant films.InChI:InChI=1/2Se.W/rSe2W/c1-3-2

Quality Factory Supply High Purity 99.9% Tungsten Selenide 12067-46-8 with Cheapest Price

Molecular Formula: Se2W
CasNo.: 12067-46-8
Melting point:
Appearance:
ProductionCapacity:

Purity:
Packing:

Product Details:

High Purity 99.9% Quality Factory Supply 99.9% Tungsten Selenide 12067-46-8 with Cheapest Price

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

: 7782-49-2
selenium

: 7440-33-7
tungsten

: 12067-46-8
tungsten diselenide

Conditions

Conditions	Yield
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;

: 7782-49-2
selenium

: 7440-33-7
tungsten

: 12067-46-8
tungsten diselenide

Conditions

Conditions	Yield
950-1150°C;
In neat (no solvent); heating (sealed silica ampoule, vac., 1E-6 Torr, 750-850°C, 3 days), cooling;
In neat (no solvent); ignition (corundum crucible, calorimetric bomb);
In neat (no solvent); reacted in stoichiometric amounts at 950°C for 1 week;
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;
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.;
In neat (no solvent); prepn. film of tungsten diselenide by vac. deposition of tungsten and then selenium on Si substrate;
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;
stoichiometric mixtures of elements were sealed in evacuated silica tubes; heated to 450°C for two days; fired at 1000°C for 10 days;
In neat (no solvent, solid phase); at 1065 ℃; for 72h;

12067-46-8 Upstream products

7782-49-2
selenium
7440-33-7
tungsten
630-10-4
selenourea
12185-17-0
selenium dimer