1. Department of Chemistry and Biochemistry The University of Texas at Arlington Arlington TX 76019 USA
2. Department of Chemical and Process Engineering University of Canterbury Christchurch 8140 New Zealand
3. X-Ray Science Division Advanced Photon Source Argonne National Laboratory Argonne IL 60439 USA
4. MacDiarmid Institute for Advanced Materials and Nanotechnology School of Fundamental Sciences Massey University Palmerston North New Zealand