Highly enhanced performance of integrated piezo photo-transistor with dual inverted OLED gate and nanowire array channel

Sheng Bi, Qikun Li, Zhengran He, Qinglei Guo, Kyeiwaa Asare-Yeboah, Yun Liu, Chengming Jiang

Research output: Contribution to journalArticlepeer-review

55 Scopus citations

Abstract

Piezo-phototronic-effect possesses potential revolutionary applications in optoelectronic systems, malleable optical processing, biomedical diagnostics, and communication. Here, we report a novel structural device, dual piezo photo-transistor (DPPT), based on piezo invert-structured organic light emitting diode (OLED) as gate control and piezo nanowires (NWs) array as charge transport channel to realize tunable photoelectric properties dramatic enhancement achieved by piezo-phototronic-effect in both stimulation gate electrode and the metal-semiconductor-metal channel. Systematic analyses are carried out on electron generated as well as the electric field distribution under various bending/strain direction and degree with the c-direction ZnO NWs grown both vertically and horizontally in OLED gate and NW channel, respectively. The piezo-phototronic transistors under mechanical deformation yield a current on/off ratio of 106, more than 80 times higher as compared to the one without deformation. The enhancement of the integrated DPPTs, taking advantage of piezo-phototronic effect, may open up opportunities in innovative applications in various optoelectronic devices and flexible integrated systems.

Original languageEnglish (US)
Article number104101
JournalNano Energy
Volume66
DOIs
StatePublished - Dec 2019

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • General Materials Science
  • Electrical and Electronic Engineering

Fingerprint

Dive into the research topics of 'Highly enhanced performance of integrated piezo photo-transistor with dual inverted OLED gate and nanowire array channel'. Together they form a unique fingerprint.

Cite this