Now showing items 1-8 of 8

    • Effects of Nanostructure Geometry on Nanoimprinted Polymer Photovoltaics 

      Yang, Yi; Mielczarek, Kamil; Aryal, Mukti; Zakhidov, Anvar A.; Hu, Wenchuang (Walter)
      We demonstrate the effects of nanostructure geometry on the nanoimprint induced poly(3-hexylthiophene-2,5-diyl) (P3HT) chain alignment and the performance of nanoimprinted photovoltaic devices. Out-of-plane and in-plane ...
    • Electrochemically Gated Organic Photovoltaic with Tunable Carbon Nanotube Cathodes 

      Cook, Alexander B.; Yuen, Jonathan D.; Zakhidov, Anvar A. (2013-10-18)
      We demonstrate an organic photovoltaic (OPV) device with an electrochemically gated carbon nanotube (CNT) charge collector. Bias voltages applied to the gate electrode reconfigure the common CNT electrode from an anode ...
    • Lambertian White Top-Emitting Organic Light Emitting Device with Carbon Nanotube Cathode 

      Freitag, P.; Zakhidov, Al A.; Luessem, B.; Zakhidov, Anvar A.; Leo, K. (2012-12-04)
      We demonstrate that white organic light emitting devices (OLEDs) with top carbon nanotube (CNT) electrodes show almost no microcavity effect and exhibit essentially Lambertian emission. CNT top electrodes were applied by ...
    • Laser Post-Processing of Halide Perovskites for Enhanced Photoluminescence and Absorbance 

      Tiguntseva, E. Y.; Saraeva, I. N.; Kudryashov, S. I.; Ushakova, E. V.; Komissarenko, F. E.; Ishteev, A. R.; Tsypkin, A. N.; Haroldson, Ross; Milichko, V. A.; Zuev, D. A.; Makarov, S. V.; Zakhidov, Anvar A. (IOP Publishing Ltd, 2018-11-05)
      Hybrid halide perovskites have emerged as one of the most promising type of materials for thin-film photovoltaic and light-emitting devices. Further boosting their performance is critically important for commercialization. ...
    • Nanoimprinted Perovskite Metasurface for Enhanced Photoluminescence 

      Wang, Honglei; Liu, Shih-Chia; Balachandran, Balasubramaniam; Moon, Jiyoung; Haroldson, Ross; Li, Zhitong; Ishteev, Artur; Gu, Qing; Zhou, Weidong; Zakhidov, Anvar A.; Hu, Wenchuang (Walter) (Optical Soc Amer, 2018-11-05)
      Recently, solution-processed hybrid halide perovskite has emerged as promising materials for advanced optoelectronic devices such as photovoltaics, photodetectors, light emitting diodes and lasers. In the mean time, ...
    • Stable Doping of Carbon Nanotubes via Molecular Self Assembly 

      Lee, B.; Chen, Y.; Cook, Alex; Zakhidov, Anvar A.; Podzorov, V. (2014-10-13)
      We report a novel method for stable doping of carbon nanotubes (CNT) based on methods of molecular self assembly. A conformal growth of a self-assembled monolayer of fluoroalkyl tri-chloro-silane (FTS) at CNT surfaces ...
    • Superconductivity in an inhomogeneous bundle of metallic and semiconducting nanotubes 

      Grigorenko, I.; Zakhidov, Anvar A. (2013-09-06)
      Using Bogoliubov-de Gennes formalism for inhomogeneous systems, we have studied superconducting properties of a bundle of packed carbon nanotubes, making a triangular lattice in the bundle's transverse cross-section. The ...
    • Tunable Organic PV Parallel Tandem with Ionic Gating 

      Saranin, Danila; Ishteev, Artur; Cook, Alexander B.; Yuen, Jonathan D.; Kuznetsov, Denis; Orlova, Marina; Didenko, Sergey; Zakhidov, Anvar (Amer Inst Physics, 2018-10-22)
      A novel type of tunable organic photovoltaic (OPV) tandem device with ionic gating by in-situ ionic liquid is presented. This device is comprised of two solution-processed polymeric OPV cells connected in parallel by a ...