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Merck

203920

Sigma-Aldrich

氧化铌(V)

99.99% trace metals basis

别名:

五氧化二铌

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About This Item

经验公式(希尔记法):
Nb2O5
CAS号:
分子量:
265.81
EC號碼:
MDL號碼:
分類程式碼代碼:
12352303
eCl@ss:
38180502
PubChem物質ID:
NACRES:
NA.23

品質等級

化驗

99.99% trace metals basis

形狀

powder

密度

4.47 g/mL at 25 °C (lit.)

SMILES 字串

O=[Nb](=O)O[Nb](=O)=O

InChI

1S/2Nb.5O

InChI 密鑰

ZKATWMILCYLAPD-UHFFFAOYSA-N

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一般說明

氧化铌(V),也称五氧化铌,是一种白色结晶粉末。它是一种熔点超过2500 °C的难熔金属氧化物,对氧和水有高化学稳定性。氧化铌(V)主要作为生产铌和铌合金的原料,作为化学反应的催化剂,也可作为高温度应用中的难熔材料。它也可用作电容器中的介电材料以及陶瓷和玻璃中的颜料。

應用

在一个不寻常的阳离子缺乏钙钛矿的固态形成中应用,Ba7Nb4MoO20
在高级燃料电池中使用氧化铌(V) 替代金属锂电极已得到令人满意的效果。

特點和優勢

用于非常规阳离子缺陷型钙钛矿 Ba7Nb4MoO20 的固态形成。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

nwg

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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分析证书(COA)

Lot/Batch Number

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Garcia-Gonzalez, E. et al.
Chemistry of Materials, 11, 433-433 (1999)
Hye-Na Kim et al.
ACS applied materials & interfaces, 4(11), 5821-5825 (2012-11-17)
This paper describes the use of Nb₂O₅-coated TiO₂ 3D ordered porous electrodes in dye-sensitized solar cells. We employed bilayer inverse opal structures as a backbone of 3D porous structures, and the number of Nb₂O₅ coatings was controlled, determining the concentration
Edmar Martendal et al.
Journal of hazardous materials, 161(1), 450-456 (2008-05-06)
In this study a new method for chromium speciation in water using solid phase extraction coupled to a flow injection system and flame atomic absorption spectrometry was developed. The adsorption behavior of Cr(III) and Cr(VI) on Nb2O5-SiO2 allowed the selective
Robert L Karlinsey et al.
Bioinspiration & biomimetics, 1(1), 12-19 (2007-08-03)
The formation aspects of a polycrystalline self-assembled bioceramic leading to the nucleation of hard-tissue mineral from a supersaturated solution are discussed. Scanning electron imaging and surface-sensitive interrogations of the nucleated mineral indicated the presence of an intermediate amorphous layer encompassing
Y B Kiran et al.
Journal of agricultural and food chemistry, 55(17), 6933-6939 (2007-07-31)
Synthesis of some new substituted [3-(3-chloro-4-fluorophenyl)-2-oxo-3,4-dihydro-2H-2lambda(5)-benzo[e][1,3,2]oxazaphosphinin-2-yl]-(aryl/alkyl)methanols (7a-k) based on the Pudovick reaction was accomplished in the presence of niobium pentoxide (Nb(2)O(5)) without using an external chiral ligand. Nb(2)O(5) appears to form the metal complex intermediate catalyst system (6) by reacting

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