1. Department of Chemical Engineering, National Chung Hsing University, 145 Xingda Road, Taichung 402-27, Taiwan
2. School of Engineering, London South Bank University, London, SE1 0AA, UK
3. Department of Chemical Engineering and Centre for Processable Electronics, Imperial College London, London, SW7 2AZ, UK
4. School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, UK
5. Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, Taichung City, 402, Taiwan