Synthesis of photo luminescent layered double hydroxide
Layered double hydroxides (LDHs) can potentially be used as a drug carrier due to its biocompatibility and extensive ion exchange capabilities. Incorporation of optical properties into drug-laden LDHs is necessary for studying and improving drug delivery and targeting. Up-conversion luminescence...
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| Format: | Final Year Project (FYP) |
| Language: | English |
| Published: |
2010
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| Online Access: | http://hdl.handle.net/10356/40113 |
| Summary: | Layered double hydroxides (LDHs) can potentially be used as a drug carrier due to its
biocompatibility and extensive ion exchange capabilities. Incorporation of optical
properties into drug-laden LDHs is necessary for studying and improving drug delivery
and targeting. Up-conversion luminescence of LDH hosts co-doped with rare earth metal
ions (Er3+ and Yb3+) was investigated under infrared excitation of 980nm. Intercalation of
fluoride ions in LDH was proven to improve up-conversion efficiency, yielding a low
intensity emission at~540nm and ~650nm. It was also demonstrated that calcinations of
LDHs to its oxide form at higher temperatures gave better photoluminescence intensity.
No drug compounds were intercalated into the LDHs synthesized to study their effect on
the photoluminescence effect. |
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