1. Department of Chemistry and Biochemistry, Kent State University, Kent, Ohio 44242, United States
2. School of Science, Auckland University of Technology, Auckland 1142, New Zealand
3. Dodd-Walls Centre for Quantum and Photonic Technologies, Dunedin 9054, New Zealand
4. The Photon Factory, School of Chemical Sciences, The University of Auckland, Auckland 1142, New Zealand
5. The Department of Physics, The University of Auckland, The MacDiarmid Institute for Advanced Materials and Nanotechnology, Auckland 1142, New Zealand