5. Why Wannier-Mott excitons are large excitons and Frenkel excitons are small excitons. What's the main factor that cause such a difference in a material?
5. Why Wannier-Mott excitons are large excitons and Frenkel excitons are small excitons. What's the main factor that cause such a difference in a material?
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Transcribed Image Text:5. Why Wannier-Mott excitons are large excitons and Frenkel excitons are small excitons.
What's the main factor that cause such a difference in a material?
6. Why in a two-dimensional material such MoS2, the thinner the material is the brighter its
photoluminescence is?
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