Multilayer Transfer Printing for Pixelated, Multicolor Quantum Dot Light-Emitting Diodes

Bong Hoon Kim, Sooji Nam, Nuri Oh, Seong Yong Cho, Ki Jun Yu, Chi Hwan Lee, Jieqian Zhang, Kishori Deshpande, Peter Trefonas, Jae Hwan Kim, Jungyup Lee, Jae Ho Shin, Yongjoon Yu, Jong Bin Lim, Sang M. Won, Youn Kyoung Cho, Nam Heon Kim, Kyung Jin Seo, Heenam Lee, Tae Il Kim & 2 others Moonsub Shim, John A. Rogers

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Here, we report multilayer stacking of films of quantum dots (QDs) for the purpose of tailoring the energy band alignment between charge transport layers and light emitting layers of different color in quantum dot light-emitting diodes (QD LED) for maximum efficiency in full color operation. The performance of QD LEDs formed by transfer printing compares favorably to that of conventional devices fabricated by spin-casting. Results indicate that zinc oxide (ZnO) and titanium dioxide (TiO2) can serve effectively as electron transport layers (ETLs) for red and green/blue QD LEDs, respectively. Optimized selections for each QD layer can be assembled at high yields by transfer printing with sacrificial fluoropolymer thin films to provide low energy surfaces for release, thereby allowing shared common layers for hole injection (HIL) and hole transport (HTL), along with customized ETLs. This strategy allows cointegration of devices with heterogeneous energy band diagrams, in a parallelized scheme that offers potential for high throughput and practical use.

Original languageEnglish
Pages (from-to)4920-4925
Number of pages6
JournalACS Nano
Volume10
Issue number5
DOIs
Publication statusPublished - 2016 May 24

Fingerprint

printing
Semiconductor quantum dots
Light emitting diodes
Printing
Multilayers
light emitting diodes
quantum dots
Band structure
energy bands
Color
Zinc Oxide
Fluorine containing polymers
color
fluoropolymers
Zinc oxide
Interfacial energy
Titanium dioxide
Charge transfer
Casting
titanium oxides

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Kim, B. H., Nam, S., Oh, N., Cho, S. Y., Yu, K. J., Lee, C. H., ... Rogers, J. A. (2016). Multilayer Transfer Printing for Pixelated, Multicolor Quantum Dot Light-Emitting Diodes. ACS Nano, 10(5), 4920-4925. https://doi.org/10.1021/acsnano.5b06387
Kim, Bong Hoon ; Nam, Sooji ; Oh, Nuri ; Cho, Seong Yong ; Yu, Ki Jun ; Lee, Chi Hwan ; Zhang, Jieqian ; Deshpande, Kishori ; Trefonas, Peter ; Kim, Jae Hwan ; Lee, Jungyup ; Shin, Jae Ho ; Yu, Yongjoon ; Lim, Jong Bin ; Won, Sang M. ; Cho, Youn Kyoung ; Kim, Nam Heon ; Seo, Kyung Jin ; Lee, Heenam ; Kim, Tae Il ; Shim, Moonsub ; Rogers, John A. / Multilayer Transfer Printing for Pixelated, Multicolor Quantum Dot Light-Emitting Diodes. In: ACS Nano. 2016 ; Vol. 10, No. 5. pp. 4920-4925.
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abstract = "Here, we report multilayer stacking of films of quantum dots (QDs) for the purpose of tailoring the energy band alignment between charge transport layers and light emitting layers of different color in quantum dot light-emitting diodes (QD LED) for maximum efficiency in full color operation. The performance of QD LEDs formed by transfer printing compares favorably to that of conventional devices fabricated by spin-casting. Results indicate that zinc oxide (ZnO) and titanium dioxide (TiO2) can serve effectively as electron transport layers (ETLs) for red and green/blue QD LEDs, respectively. Optimized selections for each QD layer can be assembled at high yields by transfer printing with sacrificial fluoropolymer thin films to provide low energy surfaces for release, thereby allowing shared common layers for hole injection (HIL) and hole transport (HTL), along with customized ETLs. This strategy allows cointegration of devices with heterogeneous energy band diagrams, in a parallelized scheme that offers potential for high throughput and practical use.",
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Kim, BH, Nam, S, Oh, N, Cho, SY, Yu, KJ, Lee, CH, Zhang, J, Deshpande, K, Trefonas, P, Kim, JH, Lee, J, Shin, JH, Yu, Y, Lim, JB, Won, SM, Cho, YK, Kim, NH, Seo, KJ, Lee, H, Kim, TI, Shim, M & Rogers, JA 2016, 'Multilayer Transfer Printing for Pixelated, Multicolor Quantum Dot Light-Emitting Diodes', ACS Nano, vol. 10, no. 5, pp. 4920-4925. https://doi.org/10.1021/acsnano.5b06387

Multilayer Transfer Printing for Pixelated, Multicolor Quantum Dot Light-Emitting Diodes. / Kim, Bong Hoon; Nam, Sooji; Oh, Nuri; Cho, Seong Yong; Yu, Ki Jun; Lee, Chi Hwan; Zhang, Jieqian; Deshpande, Kishori; Trefonas, Peter; Kim, Jae Hwan; Lee, Jungyup; Shin, Jae Ho; Yu, Yongjoon; Lim, Jong Bin; Won, Sang M.; Cho, Youn Kyoung; Kim, Nam Heon; Seo, Kyung Jin; Lee, Heenam; Kim, Tae Il; Shim, Moonsub; Rogers, John A.

In: ACS Nano, Vol. 10, No. 5, 24.05.2016, p. 4920-4925.

Research output: Contribution to journalArticle

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T1 - Multilayer Transfer Printing for Pixelated, Multicolor Quantum Dot Light-Emitting Diodes

AU - Kim, Bong Hoon

AU - Nam, Sooji

AU - Oh, Nuri

AU - Cho, Seong Yong

AU - Yu, Ki Jun

AU - Lee, Chi Hwan

AU - Zhang, Jieqian

AU - Deshpande, Kishori

AU - Trefonas, Peter

AU - Kim, Jae Hwan

AU - Lee, Jungyup

AU - Shin, Jae Ho

AU - Yu, Yongjoon

AU - Lim, Jong Bin

AU - Won, Sang M.

AU - Cho, Youn Kyoung

AU - Kim, Nam Heon

AU - Seo, Kyung Jin

AU - Lee, Heenam

AU - Kim, Tae Il

AU - Shim, Moonsub

AU - Rogers, John A.

PY - 2016/5/24

Y1 - 2016/5/24

N2 - Here, we report multilayer stacking of films of quantum dots (QDs) for the purpose of tailoring the energy band alignment between charge transport layers and light emitting layers of different color in quantum dot light-emitting diodes (QD LED) for maximum efficiency in full color operation. The performance of QD LEDs formed by transfer printing compares favorably to that of conventional devices fabricated by spin-casting. Results indicate that zinc oxide (ZnO) and titanium dioxide (TiO2) can serve effectively as electron transport layers (ETLs) for red and green/blue QD LEDs, respectively. Optimized selections for each QD layer can be assembled at high yields by transfer printing with sacrificial fluoropolymer thin films to provide low energy surfaces for release, thereby allowing shared common layers for hole injection (HIL) and hole transport (HTL), along with customized ETLs. This strategy allows cointegration of devices with heterogeneous energy band diagrams, in a parallelized scheme that offers potential for high throughput and practical use.

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