期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 1, 期 5, 页码 1553-1556出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ta00522k
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资金
- National Science Foundation [CHE-1213795, CHE-1112568, DMR-0958796]
- Direct For Mathematical & Physical Scien [1112568] Funding Source: National Science Foundation
- Division Of Chemistry [1112568] Funding Source: National Science Foundation
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1213795] Funding Source: National Science Foundation
Two copper borates, CuB2O4 and Cu3B2O6, produce either H-2 or O-2 under visible light in the presence of sacrificial agents. Both copper borates exhibit intrinsic midgap states between the valence bands and conduction bands. However, structural differences in the two compounds lead to midgap states with remarkably different photocatalytic behaviors. In CuB2O4, the midgap states facilitate visible light absorption and enhance photocatalytic activity, while in Cu3B2O6 they act as trap states that reduce photocatalytic activity.
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