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Thin-Film Organic Photonics by Tetsuzo Yoshimura

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4 Fabrication of Multiple-Quantum Dots (MQDs) by MLD

Multiple quantum dot (MQD) in polymer wires is one of the distinguished structures accomplished by molecular layer deposition (MLD).

In the present chapter, experimental demonstrations of the MQD construction are presented.

4.1 Fundamentals of Quantum Dots

Control of dimensionality is an important issue to improve various kinds of optical and electronic properties of materials. Figure 4.1 shows a schematic illustration of three-, two-, one-, and zero-dimensional systems, which respectively correspond to bulks, quantum wells, quantum wires, and quantum dots. The dimensionality of materials affects energy dependence of the density of states [1], which gives rise to variations of optical and ...

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