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Proceedings Paper

Nanoscale patterning of colloidal quantum dots for surface plasmon generation
Author(s): Yeonsang Park; Young-Geun Roh; Un Jeong Kim; Dae-Young Chung; Hwansoo Suh; Jineun Kim; Sangmo Cheon; Jaesoong Lee; Tae-Ho Kim; Kyung-Sang Cho; Chang-Won Lee
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Paper Abstract

The patterning of colloidal quantum dots with nanometer resolution is essential for their application in photonics and plasmonics. Several patterning approaches, such as the use of polymer composites, molecular lock-and-key methods, inkjet printing, and microcontact printing of quantum dots, have limits in fabrication resolution, positioning and the variation of structural shapes. Herein, we present an adaptation of a conventional liftoff method for patterning colloidal quantum dots. This simple method is easy and requires no complicated processes. Using this method, we formed straight lines, rings, and dot patterns of colloidal quantum dots on metallic substrates. Notably, patterned lines approximately 10 nm wide were fabricated. The patterned structures display high resolution, accurate positioning, and well-defined sidewall profiles. To demonstrate the applicability of our method, we present a surface plasmon generator elaborated from quantum dots.

Paper Details

Date Published: 5 March 2013
PDF: 6 pages
Proc. SPIE 8613, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics VI, 861305 (5 March 2013); doi: 10.1117/12.2003055
Show Author Affiliations
Yeonsang Park, Samsung Advanced Institute of Technology (Korea, Republic of)
Young-Geun Roh, Samsung Advanced Institute of Technology (Korea, Republic of)
Un Jeong Kim, Samsung Advanced Institute of Technology (Korea, Republic of)
Dae-Young Chung, Samsung Advanced Institute of Technology (Korea, Republic of)
Hwansoo Suh, Samsung Advanced Institute of Technology (Korea, Republic of)
Jineun Kim, Samsung Advanced Institute of Technology (Korea, Republic of)
Sangmo Cheon, Samsung Advanced Institute of Technology (Korea, Republic of)
Jaesoong Lee, Samsung Advanced Institute of Technology (Korea, Republic of)
Tae-Ho Kim, Samsung Advanced Institute of Technology (Korea, Republic of)
Kyung-Sang Cho, Samsung Advanced Institute of Technology (Korea, Republic of)
Chang-Won Lee, Samsung Advanced Institute of Technology (Korea, Republic of)


Published in SPIE Proceedings Vol. 8613:
Advanced Fabrication Technologies for Micro/Nano Optics and Photonics VI
Georg von Freymann; Winston V. Schoenfeld; Raymond C. Rumpf, Editor(s)

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