Answer
p-type.
Work Step by Step
Since boron is a member of group 3A, this is a p-type semiconductor, because the doping process creates "positive holes" in the valence band.
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 12 The Solid State - Study Questions - Page 467e: 55
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