The first LEDs were made from GaAs, which has a band gap of 1.43 eV. What wavelength

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The first LEDs were made from GaAs, which has a band gap of 1.43 eV. What wavelength of light would be emitted from an LED made from GaAs? What region of the electromagnetic spectrum does this light correspond to: UV, visible, or IR?

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Chemistry The Central Science

ISBN: 978-0321696724

12th edition

Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward

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Question Posted: Apr 19, 2016 07:36 AM

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The first LEDs were made from GaAs, which has a band gap of 1.43 eV. What wavelength

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The band gap D E of GaAs is 143 eV The visible portion ...View the full answer

Chemistry The Central Science

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