[题目] When Small Is Different: Some Recent Advances in Concepts and Applications of Nanoscale Phenomena
[出自] Adv. Mater. March 2007, V19(5), P639–P655
[摘要] Reduction in size often does more than simply make things smaller. There are many properties of materials that undergo qualitative, often sudden, changes below a certain size scale. This Report first describes some of these size-dependent properties. Following this general description, recent developments in a number of selected topics in nanoscience are covered. These topics are: luminescence from Au nanoparticles; Si (and related) nanoparticle luminescence; modification of optical absorption by surface adsorption on nanoparticles; and transistors (and some other devices) based on nanotubes and nanowires.
1. Introduction
2. General Introduction to Nanometer-Size-Determined Phenomena
3. Luminescence from Gold Nanoparticles
4. Light Emission from Si Nanocrystals
5. Modification of Optical Absorption by Surface Adsorption
6. Nanowire and Nanotube Field Effect Transistors
7. Outlook
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