literature report ang li 2013.7.25 光电催化还原 co2 的发展现状
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Literature Report
Ang Li2013.7.25
光电催化还原 CO2的发展现状
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Photo-induced CO2 Reduction with GaN Electrode in Aqueous SystemSatoshi Yotsuhashi, Masahiro Deguchi, Yuji Zenitani, Reiko Hinogami,Hiroshi Hashiba, Yuka Yamada, and Kazuhiro Ohkawa
Applied Physics Express4 (2011)
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• H2: GC-TCD • CO, CH4: GC-FID
Analysis method:
Gas phase products:
Liquid phase products: • HCOOH: HPLC
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CO2 reduction is realized without extra power input except for illumination with light.
-0.16V -1.07VPotential of Cu electrode:
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Faradic efficiency for HCOOH :3.2%
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Preliminary proposal
Target :
Gas phase products: H2, CO, CH4, CO2, N2
Liquid phase products: HCOOH , CH3OH
Method:
Gas phase products: GC
Liquid phase products: GC(for HCOOH),HPLC (for CH3OH)
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Preliminary proposal
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HPLC
Different from GC:
• Free of the limitation of Volatility and thermal stability• A broad range of Objects: GC—20% of Organics HPLC—80% of Organics• Mobile phase : GC— inert gas, no interact with Component HPLC—liquid, have interact with Component, so the Polarity, PH value, Composition of mobile liquid is important for Separate• Temperature and pressure: GC—add the temperature HPLC—room temperature high pressure, for the Narrower peaks because of the high viscosity
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Different solubility in Two kinds of Solvent, just like L-L extraction.
LLC LSC
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Which kind? SEM?
How? Spin coating?
How to controlthe Thickness to beUniform?
Sliver paste
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THANK YOU !