Abstract
Different ratios of aluminum were incorporated into MCM-41. PL measurements revealed a blue shift and an enhancement in intensity by 2 orders of magnitude as the Si : Al ratio was decreased to 14. By comparing the PL and the photoluminescence excitation (PLE) spectra of aluminosilicate MCM-41 to silica MCM-41 and to published reports on similar materials, we are able to identify the origin of the photoluminescence enhancement.
| Original language | English |
|---|---|
| Pages (from-to) | 1683-1686 |
| Number of pages | 4 |
| Journal | Journal of the Korean Physical Society |
| Volume | 50 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - Jun 2007 |
| Externally published | Yes |
Keywords
- Al-MCM
- Defect
- EPR spectroscopy
- Photoluminescence
- Photoluminescence excitation
ASJC Scopus subject areas
- General Physics and Astronomy
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