황화 텅스텐
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황화 텅스텐 속성
- 녹는점
- 1480 °C
- 밀도
- 7.5 g/mL at 25 °C(lit.)
- RTECS 번호
- YO7716000
- 용해도
- insoluble in H2O, HCl, alkaline solutions
- 물리적 상태
- 가루
- 색상
- 짙은 회색
- Specific Gravity
- 7.5
- 수용성
- 물에 약간 용해됩니다.
- Crystal Structure
- MoS2 type
- crystal system
- Six sides
- Space group
- P63/mmc
- Lattice constant
a/nm b/nm c/nm α/o β/o γ/o V/nm3 0.31532 0.31532 1.2323 90 90 120 0.1061
- 노출 한도
- ACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; STEL 10 mg/m3
- CAS 데이터베이스
- 12138-09-9(CAS DataBase Reference)
- Bandgap
- 1.4 - 2.01 eV
- Electronic properties
- 2D semiconductor
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
황화 텅스텐 C화학적 특성, 용도, 생산
개요
Few-layer?tungsten disulfide (WS2) film has a 2D-layered structure with a narrow indirect bandgap of of 1.35 eV. In contrast, the monolayer film possesses a direct bandgap of 2.1 eV.제조 방법
Synthetic?- Chemical Vapour Transport (CVT)주요 응용
Due to its distinctive electron configuration and high specific surface area, few-layer tungsten disulfide nanosheets have potential applications in electrodes and energy storage devices, supercapacitors, and photoelectrochemical cells as a catalyst for hydrogen evolution reactions (HERs). With?tunable electromagnetic absorption, it has practical applications?against electromagnetic pollution. WS2?is also a great potential candidate in photothermal therapy for the ablation of cancer cells, when NIR light is absorbed and converted into heat.
화학적 성질
Grayish-black solid. Mp above 1480C, can lubricate at temperatures above 2400F (1316C). Attacked by fluorine and hot sulfuric and hydrogen fluoride.용도
Tungsten sulfide is used as a component of catalysts for hydrotreating of crude oil, hydrodesulfurization and hydrodenitrification reactions. It finds application as solid-state secondary lithium battery cathodes and other electrochemical devices. It is found that it forms inorganic nanotubes, which is better reinforcing agents than carbon nanotubes. Tungsten sulfide addition to epoxy resin improves adhesion, fracture toughness and strain energy release rate.황화 텅스텐 준비 용품 및 원자재
원자재
준비 용품
황화 텅스텐 공급 업체
글로벌( 217)공급 업체
공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
---|---|---|---|---|---|
Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21663 | 55 |
career henan chemical co | +86-0371-86658258 +8613203830695 |
sales@coreychem.com | China | 29888 | 58 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 |
linda@hubeijusheng.com | CHINA | 28180 | 58 |
Hubei xin bonus chemical co. LTD | 86-13657291602 |
linda@hubeijusheng.com | CHINA | 22968 | 58 |
Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 |
sales@chemdad.com | China | 39916 | 58 |
Fuxin Pharmaceutical | +86-021-021-50872116 +8613122107989 |
contact@fuxinpharm.com | China | 10297 | 58 |
SINOPRO.CO.LTD | 0082-42-721-7177 |
michael@sinopro.co.kr | South Korea | 298 | 58 |
Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 |
sales@tnjchem.com | China | 34571 | 58 |
Connect Chemicals GmbH | 2102-207739 |
inquiries@connectchemicals.com | Germany | 265 | 58 |
ANHUI WITOP BIOTECH CO., LTD | +8615255079626 |
eric@witopchemical.com | China | 23555 | 58 |
황화 텅스텐 관련 검색:
육염화텅스텐 텅스텐 보리드 텅스텐 카바이드 텅스텐(VI) 옥시클로라이드 텅스텐 산 삼산화텅스텐 텅스텐 텅스덴 플라즈마 표준, 1,000 PPM, 10,000 PPM IN 물 황화 텅스텐
TUNGSTATE
TUNGSTEN SELENIDE
Bis(acetonitrile)tetracarbonyltungsten(0)
TUNGSTEN (IV) OXIDE
Tungsten(IV) oxide
BIS(CYCLOPENTADIENYL)TUNGSTEN DICHLORIDE
BIS(TERT-BUTYLIMINO)BIS(DIMETHYLAMINO)&
TRICARBONYLMESITYLENETUNGSTEN
AMMONIUM TETRATHIOTUNGSTATE