Affiliation:
1. Department of Chemistry, and 2Department of Mechanical Engineering, Northwestern University, Evanston, Illinois 60208;, ,
Abstract
Theoretical calculations on undefected nanoscale materials predict impressive mechanical properties. In this review we summarize the status of experimental efforts to directly measure the fracture strengths of inorganic and carbon nanotubes and discuss possible explanations for the deviations between the predicted and observed values. We also summarize the role of theory in understanding the molecular-level origin of these deviations. In particular, we consider the role of defects such as vacancies, Stone-Wales defects, adatoms and ad-dimers, chemical functionalization, and oxidative pitting.
Subject
Physical and Theoretical Chemistry
Cited by
42 articles.
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