江苏中凌化工有限公司为适应21世纪信息产业化的发展与中荣(国际)化学品公司通力合作取得了美
国EP公司锗系列产品在中国市场的总代理权。目前已通过中国几家最大型的光纤生产厂家的认可并被正式
使用。
EP公司自1935年起就开始锗与镓的提炼和提纯。1942年,开始为美国军方提供雷达上的配件。如今,
EP公司作为一个世界级的锗系列生产厂家,向汽车、航天、建设、防御及其他工业领域提供上千种产品,
年成交业务50余单,销售额达10亿美元。
一、光纤预制棒原料 四氯化锗 (GeCl4)
Germanium Tetrachloride (GeCl4)
1) Specification for Premium Fiber Optic Grade
Purity: 99.9999% Min
METALLIC IMPURITIES |
MAX.CONC.
|
TYPICAL LEVELS
|
DETECTION LIMITS |
GFAA
(PPB) |
ICP-MS (PPB) |
Cr |
1.0 ppb |
<0.1ppb |
0.2 |
0.1 |
Co |
1.0ppb |
<0.05ppb |
0.2 |
0.05 |
Cu |
2.0ppb |
<0.1ppb |
0.1 |
0.1 |
Fe |
4.0ppb |
<2.0ppb |
0.2 |
2.0 |
Mn |
0.5ppb |
<0.1ppb |
0.4 |
0.1 |
Ni |
2.0 ppb |
<0.1ppb |
0.2 |
0.1 |
V |
1.0 ppb |
<0.1ppb |
0.1 |
0.1 |
Zn |
1.0 ppb |
<0.5ppb |
0.3 |
0.5 |
*Analysis done by Graphite Furnace Atomic Absorption Spectroscopy (GFAA) or Inductively Coupled Plasma Mass Spectroscopy (ICP-MS).
2) HYDROGEN BEARING
IMPURITIES+ |
MAX. CONC. |
TYPICAL LEVELS |
FTIR (ppm) |
-OH |
2ppm |
1-1.5ppm |
0.05 |
HCI |
5ppm |
1-3ppm |
0.3 |
Organics
(-CH3 and CH2) |
1ppm |
<0.5ppm |
0.05 |
+Analysis done by Fourier Transform Infrared Spectroscopy (FTIR).
3) TECHNICAL DATA
Stoichiometric Germanium Content in Germanium Tetrachloride …33.857%
Molecular Weight. …………………………………………………………………………………… 214.40
Form. …………………………………………………………………………………………………… Liquid
Boiling Point at 1 atm. ℃………………………………………………………………………… 83.1
Freezing point at 1 atm. ℃ ……………………………………………………………………… -49.5
Density, 20℃, g/cm3 ………………………………………………………………………………… 1.874
Refractive Index (25℃ At 0.5893 μm) ……………………………………………………… 1.464
Heat Capacity (Cp) of Vapor, 25℃ , J/(kg*k). ……………………………………… 449
Enthalpy of Vaporization at n. b. p., J/g………………………………………………… 137
Critical Temperature, ℃ ………………………………………………………………………… 277
Critical Pressure, atm. ……………………………………………………………………………… 38
Germanium Tetrachloride is soluble at 25℃. In acetone, alcohol, benzene, carbon disulfide, carbon tetrachloride, chloroform, and diethyl ether. It is slightly soluble in concentrated hydrochloric acid, insoluble in concentrated sulfuric acid and decomposes in water.
江苏中凌化工有限公司极力赞赏保护地球合理利用清洁能源的举措,目前已与国际上知名的太阳能电池生产厂家开展了卓有成效的合作,可提供生产太阳能电池所需的原料及单晶及多晶硅太阳能电池成品。
一、单晶硅棒
Commodity name: solar cell grade mono-crystal
silicon ingot
Crystallizing form: CZ
Diameter: 150 mm
Doping type: p-type, Boron doped
Orientation:< 1-0-0>
Resistivity: 0.5-3 ohm-cm
Cracks: none
Polycrystalline material: none
Twinned material: none
Slip dislocated material: none
Oxygen content: 30 ppm or less
Carbon content: 2 ppm or less
Phosphorus content: 0.1 ppm or less
Fe, Al, Ni. Mn or Cr content: 1 ppb or less
Mo, Zr, Ta, Ti or V: 0.01 ppb or less |
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二、太阳能级准正方形Cz-Si单晶硅片
Pseudo-square Cz-Si Wafer's Specification
Material : Mono crystalline silicon
Dimensions : 102.5x102.5 +/- 0.5 mm
Diagonal : 125.0 +/- 1.0 mm (or135.0+/-1.0 mm)
Thickness : 340 +/- 30μm
Growing Method : CZ
Doping Type : P
Dopant : Boron
Orientation : <100>+/- 3 deg
Quality of ingot : Dislocation free
Life time : > 12μs
EPD : <2000/cm2
Carton Content : <5.0x1016 cm-3
Oxygen Content : <1.0x1018 cm -3
Resistivity : 0.5-3.0 ohm-cm; 100% of total
0.5-1.5 ohm-cm; 80% of total
三、单晶硅太阳能电池
SINGLE CRYSTALLINE SILICON SOLAR CELLS
Size : 100x100 mm pseudo-square
(125 mm diagonal)
Thickness : 350+/-50μm
Efficiency : >= 14%
Open Circuit Voltage : >= 0.58 V
Short Circuit Current : >= 3.10 A
Min. Output Power, : 1.43 W
Maximum Power Voltage : 0.47-0.48 V
Fill Factor : > 0.70
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