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Proceedings Article

Flexible phosphorene devices and circuits

[+] Author Affiliations
Weinan Zhu, Maruthi N. Yogeesh, Deji Akinwande

The Univ. of Texas at Austin (United States)

Proc. SPIE 9467, Micro- and Nanotechnology Sensors, Systems, and Applications VII, 94670A (May 22, 2015); doi:10.1117/12.2177563
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From Conference Volume 9467

  • Micro- and Nanotechnology Sensors, Systems, and Applications VII
  • Thomas George; Achyut K. Dutta; M. Saif Islam
  • Baltimore, Maryland, United States | April 20, 2015

abstract

Two-dimensional (2D) semiconductors with high carrier mobilities and sizeable bandgap are desirable for future high-speed and low power mechanically flexible nanoelectronics. In this work, we report encapsulated bottom-gated black phosphorus (BP) field-effect transistors (FETs) on flexible polyimide affording maximum carrier mobility of about 310cm2/V∙s and current on/off ratio exceeding 103. Essential circuits of flexible electronic systems enabled by the device ambipolar functionality, high-mobility and current saturation are demonstrated in this work, including digital inverter, frequency doubler, and analog amplifiers featuring a voltage gain of ~8.7, which is the state-of-the-art value for flexible 2D semiconductor based amplifiers. In addition, we demonstrate the single FET based flexible BP amplitude-modulated (AM) demodulator, an active stage in radio receivers. © (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Weinan Zhu ; Maruthi N. Yogeesh and Deji Akinwande
" Flexible phosphorene devices and circuits ", Proc. SPIE 9467, Micro- and Nanotechnology Sensors, Systems, and Applications VII, 94670A (May 22, 2015); doi:10.1117/12.2177563; http://dx.doi.org/10.1117/12.2177563


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