Piezoelectric Piezoelectric Nanomaterial Piezoelectric - - PowerPoint PPT Presentation

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Piezoelectric Piezoelectric Nanomaterial Piezoelectric - - PowerPoint PPT Presentation

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April 06, 2010 Piezoelectric Piezoelectric Nanomaterial Piezoelectric Piezoelectric Nanomaterial Nanomaterial- Nanomaterial- -Based -Based Based Based Transparent Flexible power Generators: Transparent Flexible power Generators:

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SLIDE 1

Piezoelectric Piezoelectric Nanomaterial Nanomaterial-

  • Based

Based Piezoelectric Piezoelectric Nanomaterial Nanomaterial-

  • Based

Based

April 06, 2010

Transparent Flexible power Generators: Transparent Flexible power Generators: Transparent Flexible power Generators: Transparent Flexible power Generators: Harvesting Waste Energy Harvesting Waste Energy Harvesting Waste Energy Harvesting Waste Energy

The 7th Korea-US Nano Workshop

Sang-Woo Kim

School of Advanced Materials Science & Engineering, Center for Human Interface Nanotechnology (HINT), gy ( ), SKKU Advanced Institute of Nanotechnology (SAINT),

Sungkyunkwan University

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SLIDE 2

Nano Works in NESEL for Energy Harvesting & Saving Nano Works in NESEL for Energy Harvesting & Saving

ZnO Nanostructures Tin-Oxide Nanostructures

  • Nanogenerators
  • Hybrid Solar Cells & LEDs
  • Hydrogen Storage & Sensors
  • Low Power-Driving Chemical Sensors

Nanostructures

Nanoparticle Nanowires Nanobelts Nanorods Nanowalls Nanodisks

Nano Electronic Science & Engineering Laboratory (NESEL)

h h e e h h e e h h e e h h e e h h e e h h e e

Nanotubes Nanoplates Nanotripods

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SLIDE 3

Mechanical Energy Sources for Nanogeneration Mechanical Energy Sources for Nanogeneration

New Energy Scavenging from Wasted Energies ! gy g g g

Self-powered devices ! Prof Z L Wang Group [Adv Funct Mater 18 1 (2008)] Nano Electronic Science & Engineering Laboratory (NESEL)

h h e e h h e e h h e e h h e e h h e e h h e e
  • Prof. Z. L. Wang Group [Adv. Funct. Mater. 18, 1 (2008)]
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SLIDE 4

Self-Powered Integrated Transparent Charge Generators Self-Powered Integrated Transparent Charge Generators

Flexible plastic top film ZnO nanorod array Transparent top electrode p p Flexible plastic substrate Transparent bottom electrode ZnO nanorod array Flexible plastic substrate

P

  • Adv. Mater. 21, 2185 (2009)

Selected as “Advances in Advance”

Nano Electronic Science & Engineering Laboratory (NESEL)

h h e e h h e e h h e e h h e e h h e e h h e e

Selected as Advances in Advance

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SLIDE 5

Applications of Transparent Flexible Nanogenerators Applications of Transparent Flexible Nanogenerators

Power Consumption

Fingers typing: 6.9-19 mW (M), 1.2-3.2 mW (E) Pie oelectric Po er Generation : Self Po ered Haptic Nano Electronic Science & Engineering Laboratory (NESEL)

h h e e h h e e h h e e h h e e h h e e h h e e

Piezoelectric Power Generation : Self-Powered Haptic Sensor Operation

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SLIDE 6

Fabrication Scheme of Fully Rollable Transparent Nanogenerators Based on Graphene Electrodes Fabrication Scheme of Fully Rollable Transparent Nanogenerators Based on Graphene Electrodes

Graphene

(made at Prof. Y. H. Lee’s Group, SKKU)

Si Ni Graphene Transfer

(Dr. J.-Y. Choi’s Group, SAIT)

“Fully Rollable Transparent Nanogenerators Based on Graphene Electrodes”

  • Adv. Mater. (In Press, Cover Suggestion)

Polymer ZnO NRs growth Integration ZnO NRs g

Nano Electronic Science & Engineering Laboratory (NESEL)

h h e e h h e e h h e e h h e e h h e e h h e e
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SLIDE 7

Mode Control & Work Function Dependency (submitted) Mode Control & Work Function Dependency (submitted)

Nano Electronic Science & Engineering Laboratory (NESEL)

h h e e h h e e h h e e h h e e h h e e h h e e
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SLIDE 8

Sound-Driven Piezoelectric Nanogenerators

(Under review)

Sound-Driven Piezoelectric Nanogenerators

(Under review)

Nano Electronic Science & Engineering Laboratory (NESEL)

h h e e h h e e h h e e h h e e h h e e h h e e
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SLIDE 9

Piezoelectric Touch Sensible Flexible OPV (submitted) Piezoelectric Touch Sensible Flexible OPV (submitted)

Nano Electronic Science & Engineering Laboratory (NESEL)

h h e e h h e e h h e e h h e e h h e e h h e e
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SLIDE 10

Thank you very much !!!

Thank you very much !!!

Recent Core Collaborators: Display Lab. & Frontier Res. Lab. (SAIT), Prof. Z. L. Wang (Gatech), CIGS Solar Cell Group (ETRI), Prof. D.-H. Yoon, Prof. H.-K. Cho (SKKU), Dr. H. H. ( ), p ( ), , ( ), Lee, Dr. J.-H. Park (PLS), Dr. S. Lee (KIST), Prof. S.-J. Park (GIST), Prof. Sz. Fujita (Kyoto Univ.), Prof. H.-K. Kim (KHU), Prof. S. Maeng (Woosuk Univ.), Prof. W. I. Milne (Cambridge Unv.) Prof. I.-H. Lee (Chonbuk Univ.), Dr. A. Maiti (LLNL), Prof. D.-Y. Jeong (SKKU), Prof. S.

Nano Electronic Science & Engineering Laboratory (NESEL)

h h e e h h e e h h e e h h e e h h e e h h e e

U )

  • ee (C o bu

U ), a t ( ),

  • Jeo g (S

U),

  • S

Hong (SNU), Prof. C. Cho (PNU), H. Hosono (TIT) etc