In a very high quality homo-junction pn* LED made of a direct band gap semiconductor, the internallygenerated power is 1.7 µW with the internally emitted photons of wavelength 2 = 0.6 um. If the radiativerecombination lifetime is 13 ns and the nonradiative is 83 ns. The device electron current will be:O a. 7.112e-7 AO b. 4.522e-6 AO c. 2.720e-5 AO d. 1.071e-4 Ae. 9.010e-6 A UNIVERSAL CONSTANTSPropertiesSEMICONDUCTORh6.63 x 10–34 J.sSiGeGaAs9.11 × 10–31 KgE, (eV)п; (ст-3)Mn (ст* /V — s)(cm²/V – s)1.10.671.423.141.5 x 10102.3 x 10131.8 x 1061.602 x 10-19 C150039008500-128.85 x 10F/mEo4501900400HpNe (cm-3)N, (cm-3)341.05 x 10J –- S2.78 x 1019| 1.04 × 1019 4.45 × 1017K8.6 x 10-5 eV/K9.84 × 10186 x 10187.72 × 1018KT/q26 mV (T = 300 K)m/m.0.0820.980.067KT26 meV (T = 300 K)m/m.Er (F/m)0.280.490.453 x 108 m/s11.71613.1Nair = 1NGAAS = 3.66Some useful relationsEgAl Ga1-zAs (x) = 1.424 + 1.247xEgIn,Ga1-2 As (x) = 0.36 + 1.064.x1 eV = 1.602 × 10-19 J1 KG = 1 × 10-5 Wb/cm2

This question can be solved by applying the concept of device electron current.

In a very high quality homo-junction pn* LED made of a direct band gap semiconductor, the internally generated power is 1.7 µW with the internally emitted photons of wavelength 2 = 0.6 um. If the radiative recombination lifetime is 13 ns and the nonradiative is 83 ns. The device electron current will be: O a. 7.112e-7 A O b. 4.522e-6 A O c. 2.720e-5 A O d. 1.071e-4 A e. 9.010e-6 A

In a very high quality homo-junction pn* LED made of a direct band gap semiconductor, the internally generated power is 1.7 µW with the internally emitted photons of wavelength 2 = 0.6 um. If the radiative recombination lifetime is 13 ns and the nonradiative is 83 ns. The device electron current will be: O a. 7.112e-7 A O b. 4.522e-6 A O c. 2.720e-5 A O d. 1.071e-4 A e. 9.010e-6 A

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter12: The Solid State

Section: Chapter Questions

Problem 12P

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