Thin ion-beam (IB)-spurted dimethyl sulfate/poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (DMS/PEDOT:PSS) layers with improved electro-optic performance are presented for aligning liquid crystals. IB spurting is effective for enhancing the conductivity of such layers, as well as the anchoring energy of the liquid crystals sandwiched between them. Compared with a commercial twisted-nematic cell assembled with polyimide alignment layers, the same cell assembled with 3.0-keV IB-spurted DMS/PEDOT:PSS alignment layers shows a 38% faster switching and a 93% lower residual direct current. The improved electro-optic performance here is likely due to the enhanced electric field effect and the charge-releasing ability of thin IB-spurted DMS/PEDOT:PSS layers.
Bibliographical noteFunding Information:
Yang Liu thanks the China Scholarship Council (CSC, Grant No. 3022) for fellowship support. Xiang-Dan Li also thanks the financial support from the National Natural Science Foundation of China (Grant No. 51243005).
© 2016 Author(s).
All Science Journal Classification (ASJC) codes
- Physics and Astronomy (miscellaneous)