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Self-Organized Quantum Dots

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Max G. Lagally

University of Wisconsin - Madison, Department of Materials Science and Engineering, Madison, WI 53706

J. Chem. Educ., 1998, 75 (3), p 277

DOI: 10.1021/ed075p277

Publication Date (Web): March 1, 1998

Section:

History, Education, and Documentation

Abstract

In this, the Information Age, we hear almost daily of advances in the speed of computers, of more efficient integrated circuit chips, and of new digital marvels to improve our lives or expand the ways we spend our leisure time (1). During the last 40 years, computers have become more powerful as their basic element, the transistor, has become smaller and smaller. An article elsewhere in this issue (2) briefly describes how advances in the development of materials and "bottoms-up" materials-processing methods have enabled this miniaturization. The microelectronics industry has continued to respond to new technological challenges as the dimensions of integrated circuits have shrunk. The most recent "road map" for the future issued by the National Semiconductor Association (3) projects advances in the technology at least to 2012.

Keywords (Audience):

General Public

Keywords (Domain):

Analytical Chemistry

Keywords (Feature):

Chemistry Behind the News

Keywords (Subject):

Nanotechnology

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Citing Articles

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

Quantum Dots in a Polymer Composite: A Convenient Particle-in-a-Box Laboratory Experiment
Charles V. Rice and Guinevere A. Giffin
Journal of Chemical Education2008 85 (6), 842
- Quantum Dots in a Polymer Composite: A Convenient Particle-in-a-Box Laboratory Experiment
  Charles V. Rice and Guinevere A. Giffin
  Journal of Chemical Education2008 85 (6), 842
  Semiconductor quantum dots are at the forefront of materials science chemistry with applications in biological imaging and photovoltaic technologies. We have developed a simple laboratory experiment to measure the quantum-dot size from fluorescence ...
  Abstract | Hi-Res PDF | PDF w/ Links
Semiconductor Nanocrystals: A Powerful Visual Aid for Introducing the Particle in a Box
Tadd Kippeny , Laura A. Swafford and Sandra J. Rosenthal
Journal of Chemical Education2002 79 (9), 1094
- Semiconductor Nanocrystals: A Powerful Visual Aid for Introducing the Particle in a Box
  Tadd Kippeny , Laura A. Swafford and Sandra J. Rosenthal
  Journal of Chemical Education2002 79 (9), 1094
  For most undergraduate students, introductory quantum chemistry is a challenging subject with many uncommon, if not bizarre, ideas. It is important to relate quantum concepts to the "real" world. Semiconductor quantum dots can be used to introduce and ...
  Abstract | Hi-Res PDF | PDF w/ Links