乙氧醇铌（V）是一种金属有机化合物，在溶液中发射二聚化反应形成 Nb2(OEt)10 分子。在室温下，它是一种无色液体，可与一些有机溶剂混溶，但是也易于水解。在0.1 mmHg压力下乙氧醇铌（V）在 5 °C下凝固，在142 °C 下沸腾。它可以通过在氯化四乙基铵（TEAC）导电添加存在的情况下乙醇与铌板和不锈钢电极的电化学反应来合成。 用途： 乙氧醇铌（V）可作为前体合成氧化铌, 如Nb2O5 、 NaNbO3 和TiNb2O7。乙氧醇铌（V）常用于胶体溶液基合成，如溶胶凝胶处理和电纺丝。这些化学性质使得研究者可以控制微观结构，以生成凝胶 、纳米纤维、纳米管和微球。 乙氧醇铌（V）通常也可添加在其它金属醇盐中，从而使金属氧化物（最常见的是二氧化钛）掺杂铌。 由于其低沸点和低分解温度（~325-350 °C），乙氧醇铌（V）也可作为前体用于氧化铌的原子层沉积、化学气相沉积和金属有机化学气相沉积。 它也可作为掺杂剂用于制备染料敏化太阳能电池（DSSC）中的铌掺杂TiO2光阳极。铌的掺杂降低了TiO2的导带，改善了TiO2光阳极的电子注入和转移能力。这导致DSSC性能显著提升。 Niobium(V) ethoxide is a metal-organic compound that dimerizes in solution to form Nb2(OEt)10 molecules. At room temperature, it is a colorless liquid that is miscible with some organic solvents, but which hydrolyzes readily. Niobium(V) ethoxide freezes at 5 °C and boils at 142 °C at 0.1 mmHg. It can be synthesized by the electrochemical reaction of ethanol with niobium plate and stainless-steel electrodes in the presence of tetraethylammonium chloride (TEAC) as the conductive additive. Purpose Niobium(V) ethoxide is a synthetic precursor for niobium oxides, for example Nb2O5 , NaNbO3 , andTiNb2O7. Niobium(V) ethoxide is commonly used in colloidal solution-based syntheses like sol-gel processing and electrospinning. These chemistries allow researchers to control the microstructure to form gels , nanofibers , nanotubes , and microspheres. Niobium(V) ethoxide is also commonly added to other metal alkoxides to dope metal oxides, most commonly titania, with niobium. Because of its low boiling point and low decomposition temperature (~325-350 °C),niobium(V) ethoxide is also used as a precursor in atomic-layer deposition, chemical vapor deposition, and metal-organic chemical vapor deposition of niobium oxides. It can also be used as a dopant to prepare Nb-doped TiO2 photoanode for dye-sensitized solar cells (DSSC). The doping of Nb lowers the conduction band of TiO2 enhancing electron injection and transfer ability of TiO2 photoanode. This results in a significant increase in the performance of DSSC.
All
Chemical Reagents
Biomedicine
Organic raw materials
Inorganic chemical industry
intermediate
Agricultural chemicals
Auxiliaries and catalysts
Fragrances and Flavors
Dyes and Pigments
Daily chemical industry
Niobium(V) ethoxide (NbOEt)
Dangerous GoodsCAS number：3236-82-6 molecular formula：C10H25NbO5
overview
compound introduction
Specs
| Chinese alias | 乙醇酸铌 | 铌五乙醇 | 铌乙基化物 | 五乙氧基铌 | 乙醇铌 | 乙醇铌(V) | ||
| English alias | NbOEt | DTXSID5062924 | ethanolate;niobium(5+) | Ethanol, niobium(5+) salt (5:1) | Niobium(5+) ethanolate | Pentaethoxyniobium | Niobium ethoxide | EINECS 221-795-2 | Niobium pentaethoxide | Niobium ethanolate | Ethanol, niobium(5+) salt | ZTILUDNICMILKJ- | ||
| CAS number | 3236-82-6 | molecular formula | C10H25NbO5 |
| molecular weight | 318.21 g/mol | Exact mass | ≥99.95% metals basis |
| PSA | 115.000 Ų | logp | - |
numbering system
No numbering system information yet
physicochemical properties
No physical and chemical property information yet
Safety information
pictogram：
GHS05 , GHS02
Signal word：
Danger
Hazard Statement：
H314: 造成严重的皮肤灼伤和眼睛损伤 H226: 易燃液体和蒸气
Statement of Preventive Measures：
P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P370+P378: 火灾时：使用干砂、干粉或抗醇泡沫灭火。 P210: 远离热源，热表面，火花，明火和其他点火源。 - 禁止抽烟。 P321: 特殊处理（请参阅此标签上的...）。 P405: 密闭存放 P501: 将内容物/容器处理到。。。 P233: 保持容器密闭。 P240: 地面/粘结容器和接收设备 P264: 处理后要彻底洗手。 P403+P235: 存放在通风良好的地方。保持低温。 P260: 不要吸入灰尘/烟雾/气体/雾/蒸汽/喷
Production methods and uses
No production method and use information yet
Related
upstream information
No upstream information yet
downstream information
No downstream information yet
MSDS
Found 1 shareMSDS
3236-82-6 | Niobium(V) ethoxide.pdf
