High-resolution patterns of quantum dots formed by electrohydrodynamic jet printing for light-emitting diodes

Bong Hoon Kim, M. Serdar Onses, Jong Bin Lim, Sooji Nam, Nuri Oh, Hojun Kim, Ki Jun Yu, Jung Woo Lee, Jae Hwan Kim, Seung Kyun Kang, Chi Hwan Lee, Jungyup Lee, Jae Ho Shin, Nam Heon Kim, Cecilia Leal, Moonsub Shim, John A. Rogers

Research output: Contribution to journalArticle

156 Citations (Scopus)

Abstract

Here we demonstrate materials and operating conditions that allow for high-resolution printing of layers of quantum dots (QDs) with precise control over thickness and submicron lateral resolution and capabilities for use as active layers of QD light-emitting diodes (LEDs). The shapes and thicknesses of the QD patterns exhibit systematic dependence on the dimensions of the printing nozzle and the ink composition in ways that allow nearly arbitrary, systematic control when exploited in a fully automated printing tool. Homogeneous arrays of patterns of QDs serve as the basis for corresponding arrays of QD LEDs that exhibit excellent performance. Sequential printing of different types of QDs in a multilayer stack or in an interdigitated geometry provides strategies for continuous tuning of the effective, overall emission wavelengths of the resulting QD LEDs. This strategy is useful to efficient, additive use of QDs for wide ranging types of electronic and optoelectronic devices.

Original languageEnglish
Pages (from-to)969-973
Number of pages5
JournalNano letters
Volume15
Issue number2
DOIs
Publication statusPublished - 2015 Feb 11

Fingerprint

Electrohydrodynamics
electrohydrodynamics
printing
Semiconductor quantum dots
Light emitting diodes
Printing
light emitting diodes
quantum dots
high resolution
inks
optoelectronic devices
Ink
Optoelectronic devices
nozzles
Nozzles
Multilayers
Tuning
tuning
Wavelength
Geometry

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Kim, B. H., Onses, M. S., Lim, J. B., Nam, S., Oh, N., Kim, H., ... Rogers, J. A. (2015). High-resolution patterns of quantum dots formed by electrohydrodynamic jet printing for light-emitting diodes. Nano letters, 15(2), 969-973. https://doi.org/10.1021/nl503779e
Kim, Bong Hoon ; Onses, M. Serdar ; Lim, Jong Bin ; Nam, Sooji ; Oh, Nuri ; Kim, Hojun ; Yu, Ki Jun ; Lee, Jung Woo ; Kim, Jae Hwan ; Kang, Seung Kyun ; Lee, Chi Hwan ; Lee, Jungyup ; Shin, Jae Ho ; Kim, Nam Heon ; Leal, Cecilia ; Shim, Moonsub ; Rogers, John A. / High-resolution patterns of quantum dots formed by electrohydrodynamic jet printing for light-emitting diodes. In: Nano letters. 2015 ; Vol. 15, No. 2. pp. 969-973.
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Kim, BH, Onses, MS, Lim, JB, Nam, S, Oh, N, Kim, H, Yu, KJ, Lee, JW, Kim, JH, Kang, SK, Lee, CH, Lee, J, Shin, JH, Kim, NH, Leal, C, Shim, M & Rogers, JA 2015, 'High-resolution patterns of quantum dots formed by electrohydrodynamic jet printing for light-emitting diodes', Nano letters, vol. 15, no. 2, pp. 969-973. https://doi.org/10.1021/nl503779e

High-resolution patterns of quantum dots formed by electrohydrodynamic jet printing for light-emitting diodes. / Kim, Bong Hoon; Onses, M. Serdar; Lim, Jong Bin; Nam, Sooji; Oh, Nuri; Kim, Hojun; Yu, Ki Jun; Lee, Jung Woo; Kim, Jae Hwan; Kang, Seung Kyun; Lee, Chi Hwan; Lee, Jungyup; Shin, Jae Ho; Kim, Nam Heon; Leal, Cecilia; Shim, Moonsub; Rogers, John A.

In: Nano letters, Vol. 15, No. 2, 11.02.2015, p. 969-973.

Research output: Contribution to journalArticle

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AU - Oh, Nuri

AU - Kim, Hojun

AU - Yu, Ki Jun

AU - Lee, Jung Woo

AU - Kim, Jae Hwan

AU - Kang, Seung Kyun

AU - Lee, Chi Hwan

AU - Lee, Jungyup

AU - Shin, Jae Ho

AU - Kim, Nam Heon

AU - Leal, Cecilia

AU - Shim, Moonsub

AU - Rogers, John A.

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