1. Polymer Energy Materials Laboratory School of Applied Chemical Engineering Chonnam National University Gwangju 61186 South Korea
2. Faculty of Chemistry Warsaw University of Technology Noakowskiego 3 00‐664 Warsaw Poland
3. Institute of Physical Chemistry Polish Academy of Sciences Kasprzaka 44/52 01‐224 Warsaw Poland
4. Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology Cambridge MA 02139 USA
5. Department of Solar Energy School of Technology Pandit Deendayal Petroleum University Gandhinagar Gujarat 382007 India