TY - JOUR
T1 - Solar energy fixation of carbon dioxide via cadmium sulphide and other semiconductor photocatalysts
AU - Irvine, John Thomas Sirr
AU - EGGINS, BR
AU - GRIMSHAW, J
PY - 1990
Y1 - 1990
N2 - Aqueous carbon dioxide is photochemically reduced in the presence of semiconductor suspensions and colloids. Experiments have been performed using CdS, ZnO, SiC, Ba TiO3, and SrTiO3, dispersions. Product analysis showed the formation of formic acid formaldehyde, sometimes methanol and in the presence of tetramethylammonium chloride, two-carbon products such as glyoxylic and acetic acids and sometimes acetaldehyde. Product yields and photochemical yields were studied as a function of pH, solution composition, added sacrifical electron donors and catalysts, irradiation intensity and irradiation time. A demonstration experiment with a flat-bed solar collector showed the formation of formic acid and formaldehyde using direct sunlight.
AB - Aqueous carbon dioxide is photochemically reduced in the presence of semiconductor suspensions and colloids. Experiments have been performed using CdS, ZnO, SiC, Ba TiO3, and SrTiO3, dispersions. Product analysis showed the formation of formic acid formaldehyde, sometimes methanol and in the presence of tetramethylammonium chloride, two-carbon products such as glyoxylic and acetic acids and sometimes acetaldehyde. Product yields and photochemical yields were studied as a function of pH, solution composition, added sacrifical electron donors and catalysts, irradiation intensity and irradiation time. A demonstration experiment with a flat-bed solar collector showed the formation of formic acid and formaldehyde using direct sunlight.
U2 - 10.1016/0038-092X(90)90063-I
DO - 10.1016/0038-092X(90)90063-I
M3 - Article
SN - 0038-092X
VL - 45
SP - 27
EP - 33
JO - Solar Energy
JF - Solar Energy
IS - 1
ER -