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纳米微粒的超快光学机制的研究近来已成为研究的热点．纳米微粒由于量子限域效应，其光电特性明显不同于其体相材料，这使其在新型光电子器件设计中具有潜在的应用前景．与外延生长的量子线和量于点不同，实验结果表明纳米微粒的表面对其光电特性具有显著的影响，它们衍生的表
Recently, the research on the ultra-fast optical mechanism of nanoparticles has become a hot research topic. Owing to the quantum confinement effect, the optoelectronic properties of nanoparticles are obviously different from their bulk materials, which makes them potentially useful in the design of new optoelectronic devices. Unlike the epitaxial growth of quantum wires and quantum dots, experimental results show that the surface of nanoparticles has a significant influence on their photoelectric properties, and their derived tables