18. A material exhibits an “optical band edge” (transition from absorption of light to transmission) at ν = 5 x 1014 Hz (s–1). (a) What do you expect the color of this material to be when viewed in daylight? (b) What is the band gap (Eg) of this material?

18. A material exhibits an “optical band edge” (transition from absorption of light to transmission) at ν = 5 x 1014 Hz (s–1). (a) What do you expect the color of this material to be when viewed in daylight? (b) What is the band gap (Eg) of this material?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter9: Condensed Matter Physics

Section: Chapter Questions

Problem 7CQ: Rank the energy spacing (E) of the following transitions from least to greatest: an electron energy...

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18. A material exhibits an “optical band edge” (transition from absorption of light to transmission) at ν = 5 x 1014 Hz (s–1).

(a) What do you expect the color of this material to be when viewed in daylight?
(b) What is the band gap (Eg) of this material?

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