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The Chemistry and Physics of Semiconductor Nanowires

机译：半导体纳米线的化学和物理

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The following article is based on the Outstanding Young Investigator Award presentation given by Peidong Yang of the University of California, Berkeley, on April 14, 2004, at the Materials Research Society Spring Meeting in San Francisco, Yang was cited for "innovative synthesis of a broad range of nanowires and nanowire-heterostructure materials, and the discovery of optically induced lasing in Individual nanowire devices." One-dimensional nanostructures are of both fundamental and technological interest. They not only exhibit interesting electronic and optical properties associated with their low dimensionality and the quantum confinement effect, but they also represent critical components in potential nanoscale devices. In this article, the vapor-liquid-solid crystal growth mechanism will be briefly introduced for the general synthesis of nanowires of different compositions, sizes, and orientation. Unique properties, including light-emission and thermoelectricity, will be discussed. In addition to the recent extensive studies on "single-component" nanowires, of increasing importance is incorporating different interfaces and controlling doping profiles within individual single-crystalline nanowires. Epitaxial growth plays a significant role in fabricating such nanowire heterostructures. Recent research on superlattice nanowires and other nanostructures with horizontal junctions will be presented. The implication of these heterojunction nanowires in light-emission and energy conversion will be discussed. Ways to assemble these one-dimensional nanostructures will also be presented.
机译：以下文章基于加利福尼亚大学伯克利分校的Peidong Yang于2004年4月14日在旧金山材料研究协会春季会议上颁发的杰出青年研究者奖，Yang被引述为“广泛的纳米线和纳米线异质结构材料，以及在单个纳米线设备中光诱导激光的发现。”一维纳米结构具有基础和技术意义。它们不仅具有与低尺寸和量子限制效应相关的有趣的电子和光学特性，而且还代表了潜在的纳米级器件中的关键组件。在本文中，将简要介绍气-液-固晶体的生长机理，以合成具有不同组成，尺寸和方向的纳米线。将讨论包括发光和热电在内的独特属性。除了最近对“单组分”纳米线的广泛研究之外，越来越重要的是在单个单晶纳米线中并入不同的界面并控制掺杂分布。外延生长在制造这种纳米线异质结构中起重要作用。将介绍有关超晶格纳米线和其他具有水平结的纳米结构的最新研究。将讨论这些异质结纳米线在发光和能量转换中的意义。还将提出组装这些一维纳米结构的方法。

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