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f photoluminescence: I

f photoluminescence: I

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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?

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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.
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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