A voltage of 4.5V was applied by using dry-cell batteries. The diameters of the CNTs are 1.0, 1.3 and 1.7nm. The upper layers are metallic CNTs, and the lower layers are semiconductor CNTs.
Copyright © 2016 Nikkei Business Publications, Inc. All rights reserved.
All editorial content and graphics on this Web site may not be reproduced in whole or in part without the express permission of the copyright owner.