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1. What are the function of each component in Figure 3?
2. What is the differences of Phosporescence and Flourosecence?
3. Why the profile of emission spectra look like the reflection profile of absorption spectrum?

How to answer above questions based on picture drawing!

Light source
A= 365 nm
LED UV lamp
PL Spectrum
Vis
Fiber optic (FO)
Block UV
light
Sample base Holder
Cuvette
holder
Cable
data
FO
UV Filter
FO
Module
Spectrometer
Laptop
Figure 3. Diagram of photoluminescence measurement set-up that consist of
light source, sample holder, UV filter, USB4000-FL, and laptop as collecting
data and display the spectrum.
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Transcribed Image Text:Light source A= 365 nm LED UV lamp PL Spectrum Vis Fiber optic (FO) Block UV light Sample base Holder Cuvette holder Cable data FO UV Filter FO Module Spectrometer Laptop Figure 3. Diagram of photoluminescence measurement set-up that consist of light source, sample holder, UV filter, USB4000-FL, and laptop as collecting data and display the spectrum.
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