| Title: |
© 1999 Kluwer Academic Publishers. Printed in the Netherlands. Gold nanoparticles: Production, reshaping, and thermal charging |
| Authors: |
Martin H. Magnusson; Jan-olle Malm; Jan-olov Bovin; Lars Samuelson |
| Contributors: |
The Pennsylvania State University CiteSeerX Archives |
| Source: |
http://www.jan-olov.bovin.nu/pdfs/paper/P98.pdf. |
| Publication Year: |
1998 |
| Collection: |
CiteSeerX |
| Description: |
Gold nanoparticles are of great interest for various nanoelectronic applications, e.g., for making single electron transistors or very fine leads to molecular size entities. For this and other applications, it is important that all particles have controllable size and shape. In this paper, we describe the production of size-selected gold aerosol particles in the 20 nm range made by evaporation in a high-temperature tube furnace and subsequent size selection. To obtain spherical particles, it was necessary to reshape the particles at high temperature, which was investigated for temperatures between 25C and 1200C. High-resolution transmission electron microscopy showed that the degree of crystallinity became higher for higher reshaping temperature. During reshaping at high temperature, an anomalous charging behavior was discovered, whereby negatively as well as positively charged particles became multiply negatively charged. Possible mechanisms for explaining this thermally activated phenomenon are discussed. |
| Document Type: |
text |
| File Description: |
application/pdf |
| Language: |
English |
| Relation: |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.466.7583 |
| Availability: |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.466.7583; http://www.jan-olov.bovin.nu/pdfs/paper/P98.pdf |
| Rights: |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
| Accession Number: |
edsbas.544B11DB |
| Database: |
BASE |