TY - JOUR
T1 - Local atomic structure and electronic state of ZnS films synthesized by using CBD technique
AU - Shinoda, Kozo
AU - Arai, Takeo
AU - Ohshima, Hitoshi
AU - Jeyadevan, Balachandran
AU - Muramatsu, Atsushi
AU - Tohji, Kazuyuki
AU - Matsubara, Eiichiro
PY - 2002/7
Y1 - 2002/7
N2 - We have succeeded in synthesizing ZnS films on substrates such as glass or Si wafer by using CBD (chemical bath deposition) method. These semiconductor films were photocatalytic and showed high productivity of hydrogen gas from the solution containing HS- ions. From observation of SEM/TEM, it was found that the cluster film consisted of 100 nm sized agglomerated particles composed of nano-crystals. The result of EDS analysis for the cross-section of the film prepared by using FIB showed the presence of small amounts of oxygen along with zinc and sulfur. The information of the local quantum structures obtained from EXAFS/XANES analysis suggested that the cluster film has unique atomic-distribution and metastable electronic state different from bulk ZnS and ZnO. Based on the results of the above analysis, the relation between local quantum structures and properties was proposed.
AB - We have succeeded in synthesizing ZnS films on substrates such as glass or Si wafer by using CBD (chemical bath deposition) method. These semiconductor films were photocatalytic and showed high productivity of hydrogen gas from the solution containing HS- ions. From observation of SEM/TEM, it was found that the cluster film consisted of 100 nm sized agglomerated particles composed of nano-crystals. The result of EDS analysis for the cross-section of the film prepared by using FIB showed the presence of small amounts of oxygen along with zinc and sulfur. The information of the local quantum structures obtained from EXAFS/XANES analysis suggested that the cluster film has unique atomic-distribution and metastable electronic state different from bulk ZnS and ZnO. Based on the results of the above analysis, the relation between local quantum structures and properties was proposed.
KW - Chemical bath deposition
KW - Local quantum structure
KW - Photocatalysis
KW - X-ray absorption spectroscopy
KW - Zinc sulfide cluster
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U2 - 10.2320/matertrans.43.1512
DO - 10.2320/matertrans.43.1512
M3 - Article
AN - SCOPUS:0036630279
SN - 1345-9678
VL - 43
SP - 1512
EP - 1516
JO - Materials Transactions
JF - Materials Transactions
IS - 7
ER -