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Question 11 Consider again 2D materials WSez and MoS, with exciton binding energies of 240 mev and 90 mev, respectively. In which material is the Bohr exciton radius smaller? O They have the same Bohr exciton radius Wsez Mos2

Question 11 Consider again 2D materials WSez and MoS, with exciton binding energies of 240 mev and 90 mev, respectively. In which material is the Bohr exciton radius smaller? O They have the same Bohr exciton radius Wsez Mos2

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Wsez has an exciton binding energy of 240 meV, compared to 90 meV for MoSz. Which material, MoSz or WSe2, do you expect to have the larger dielectric constant? O Wsez O They should have the same dielectric constant MoS2 Question 11 Consider again 2D materials WSez and MoS2 with exciton binding energies of 240 meV and 90 meV, respectively. In which material is the Bohr exciton radius smaller? They have the same Bohr exciton radius Wsez MoS2
Transcribed Image Text:Wsez has an exciton binding energy of 240 meV, compared to 90 meV for MoSz. Which material, MoSz or WSe2, do you expect to have the larger dielectric constant? O Wsez O They should have the same dielectric constant MoS2 Question 11 Consider again 2D materials WSez and MoS2 with exciton binding energies of 240 meV and 90 meV, respectively. In which material is the Bohr exciton radius smaller? They have the same Bohr exciton radius Wsez MoS2
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