Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 32, Pages 9132-9137Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta11742a
Keywords
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Funding
- National Basic Research Program of China (973 Program) [2011CB302006, 2011CB302004]
- Knowledge Innovation Program of the Chinese Academy of Sciences [KJCX2-YW-W25]
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Using sunlight to solve energy shortage and pollution problems is still a hot but challenging issue. Because of this, we have demonstrated a novel and simple approach to fabricating a 2D shell array structure to enhance the interaction between incident light and the material. The enhancement remarkably increased the two-photon excitation efficiency of the material and, utilizing the two-photon induced electron-hole pairs in ZnO, we realized photocatalysis under monochromatic visible light for the first time. The method and theory described in this paper provide the basis for realizing high-efficiency sunlight-driven photocatalysts and also show a new way to improve the performance of photoelectric and photonic devices.
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