Aswani Yella1, Hsuan‐Wei Lee2, Hoi Nok Tsao1, Chenyi Yi1, Aravind Kumar Chandiran1, Mohammad Khaja Nazeeruddin1, Eric Wei‐Guang Diau3, Chen‐Yu Yeh2, Shaik M. Zakeeruddin1, Michaël Grätzel1
1Laboratory for Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Lausanne-1015, Switzerland.
2Department of Chemistry and Center of Nanoscience and Nanotechnology, National Chung Hsing University, Taichung, Taiwan 402, ROC.
3Department of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University, Hsinchu, Taiwan 300, ROC.
