Citation: Shuai Sun, Wan Guo Hou. The photoluminescence of Co-Al-layered double hydroxide[J]. Chinese Chemical Letters, ;2007, 18(11): 1371-1373. doi: 10.1016/j.cclet.2007.09.024 shu

The photoluminescence of Co-Al-layered double hydroxide

Shuai Sun ,
Wan Guo Hou

Key Laboratory for Colloid and Interface Chemistry of Education Ministry, Shandong University, Jinan 250100, China

Received Date: 14 May 2007

Fund Project: This research was supported by the National Natural Science Foundation of China (No.20573065) and the Natural Science Foundation of Shandong Province of China (Nos.Z2005B02 and Z2006B06).

We report a new optical behaviour of pure Co-Al-layered double hydroxide (LDH). It was found that the Co-Al-LDH sample could emit fluorescence without any fluorescent substances intercalated. Its excitation spectrum shows a maximum peak near the wavelength 370 nm, the maximum emission peak appears at 430 nm and the photoluminescence colour of the Co-Al-LDH sample is blue. This new optical property will be expected to extend the potential applications of LDHs in optical materials field.
- Layered double hydroxides,
- Photoluminescence,
- Optical materials
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