1. PEO is also called poly(ethylene glycol) (PEG) or poly(oxyethylene) (POE)
2. H. Ohno and P. Wang, Nippon Kagaku Kaishi. 1588 (1991)
3. H. Ohno and K. Ikeda, Rare Earth (The Rare Earth Society of Japan) No. 26, 266 (1995)
4. H. Ohno, H. Sasayama and H. Satoh, “Recent Advances in Fast Ion Conducting Materials and Devices”, (Edited by B. V. R. Chowdari, Q. Liu and L. Chen) p. 261, World Scientific Publ. (1990)
5. Solubility, diffusion coefficient and ionic conductivity of alkyl viologens in poly(ethylene oxide) and its derivatives