3. a) For a nanocrystalline sample containing particles of unknown size, you measure a band gap energy of 3.65x10 9 Use the plot and the equation of the best-fit line (below) to calculate the particle size (in nm) of this unknown sample. Be sure to show your calculation. (Note: "E" in the plot represents 10^) b) What is the band gap of the bulk material? Trend in Bandgap Energy with Particle Size 5.00E-19 y3D4,29E-19x+3.04E 19 450E 19 4.00E 19 3.50E-19 3.00E-19 250E 19 0.000 0.100 0.200 0300 (1/Size) (nn) (r) A

3. a) For a nanocrystalline sample containing particles of unknown size, you measure a band gap energy of 3.65x10 9 Use the plot and the equation of the best-fit line (below) to calculate the particle size (in nm) of this unknown sample. Be sure to show your calculation. (Note: "E" in the plot represents 10^) b) What is the band gap of the bulk material? Trend in Bandgap Energy with Particle Size 5.00E-19 y3D4,29E-19x+3.04E 19 450E 19 4.00E 19 3.50E-19 3.00E-19 250E 19 0.000 0.100 0.200 0300 (1/Size) (nn) (r) A

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

3. a) For a nanocrystalline sample containing particles of unknown size, you
measure a band gap energy of 3.65x10 9 Use the plot and the equation of the
best-fit line (below) to calculate the particle size (in nm) of this unknown
sample. Be sure to show your calculation. (Note: "E" in the plot represents
x10^") b) What is the band gap of the bulk material?
Trend in Bandgap Energy
with Partice Size
5,00E-19
y=D4.29E-19x+3.04E-19
4.50E-19
4.00E 19
3.50E-19
3.00E-19
2.50E 19
0.000
0.100
0.200
0,300
(1/Size) (nm")
个

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