NSC95-EPA-Z-007-001

表 1 光 觸 媒 還 原 CO 2 技 術 彙 整
Catalyst Light source Reaction condition Time
TiO 2
350 nm
Solution:5mg TiO 2 , 5ml
Scavenger:2-Propanol
TiO 2 /Pd/SiO 2 or Al 2 O 3
CuO-ZnO/MgO or Al 2 O 3
NA 0.5M KHCO 3 (pH=7.5) NA
Main
product
10 hr CH 4 < 0.29 μmol
CH 4
C 2 H 6
Yield Detector Cited Reference
< 1.0 μmol
< 0.7 μmol
GC-TCD
GC-FID
GC
Dey et al. (2004)
Subrahmanyama
et al. (1999)
CH
Rh/TiO 2
290、370、450 nm
4 < 0.1 μmol
Reactant:CO 2 (150μmol)
(1999)
CO < 9.2 μmol
H 2 (50μmol)
6 hr
GC-TCD Kohno et al.
ZrO 2 < 300 nm
Condition:25kPa, 373~673K,
CO < 7.6 μmol (2000)
MgO
< 290 nm
CO < 2.9 μmol
(2001)
Reactant:Saturated CO 2
CdS nanoparticle
> 400 nm
1 hr CO < 3.0 μmol GC-TCD Fujiwara et al. (1997)
Solution:DMF 2ml+TEA 1M
Re(bpy)(CO) 3 [P(OEt) 3 ]SbF 6
Reactant:Saturated CO 2
GC-
365 nm
4 hr CO < 10 μmol
Hori et al. (1995)
Re(bpy)(CO) 3 [P(OPPh) 3 ]SbF 6
Solution:DMF/TEOA (5/1)
UV/Vis
Reactant:Saturated CO
[Ru(bpy) 3 ] 2+ or [Co(bpy) 3 ] 2+
2
602 nm Solution:DMF/TEOA (4/1) or 48 hr CO < 38 μmol GC-TCD Hirose et al. (2002)
/cation exchange film
DMF/H 2 O/TEOA (3/1/1)
Metal porphyrin/Nafion
Metal phthalocyanine/Nafion
Pt-K 2 Ti 6 O 13
Pt-K 2 Ti 6 O 13 /Cu/ZnO
SiO 2 /13%ZnS
SiO 2 /40%CdS
Metal/ZnS
Visible light
Visible light
UV light
>290 nm for ZnS
>350 nm for CdS
280 nm
Reactant:Saturated CO 2
Solution:TEA/HClO 4 (1/1)
Saturated CO 2 solution, 4ml
Catalyst:0.3g
Saturated CO 2 solution, 68ml
Reductant:2,5-dihydrofuran
pH=5.5
Scavenger:2-Propanol
NA HCOOH NA HPLC
6 hr
H 2
HCHO
CH 3 OH
HCOOH
< 122 μmol
< 10 μmol
< 10 μmol
< 36 μmol
24 hr HCOO - < 10 mmol
< 1.5 mmol
GC-TCD
GC-TCD
GC-FID
HPLC
Premkumar et al.
(1997)
Guan et al. (2003)
HPLC Johne et al. (1997)
1 hr formate < 0.5 μmol HPLC Inoue et al. (1995)
Polyethylene Glycol (PEG) 340 nm 180mM NaHCO 3 (pH=7.4) NA Malate,C 4 NA NA Itoh et al. (2000),
pH=5.5
Kuwabata et al.
TiO 2
< 300 nm
5 hr urea < 5.5 μmol HPLC
Scavenger:2-Propanol
(1998)
Ag or Cu/TiO 2 254 nm 0.2N NaOH 20 hr CH 3 OH < 75 μmol GC-FID Tseng et al. (2003)
2