Selected Research Themes
1. Self-assembly

Self-assemblies of organic chromophores observed using scanning tunnelling microscopy or atomic force microscopy.

Figure 1. (a) Nanowires from trigeminal porphyrins self-assembled on mica. (b) Model structure of the nanowires.

Related publications.
1. Real time self-assembly and reassembly of molecular nanowires of trigeminal amphiphile porphyrins Y. Xie, et al. Chem. Commun. (2011) published on line. doi:

2. Self-Assembly Structures of a Phenol-Substituted Porphyrin in the Solid State: Hydrogen Bonding, Kagomé Lattice and Defect Tolerance. J. P. Hill, et al. J. Phys. Chem. C. (2007) 111, 16174–16180.

3. Real Time Observation of Molecular Dynamics on a Metal Surface Y. Wakayama, et al. Surface Science (2007) 601, 3984–3987.

4. Regulating the Stability of 2-Dimensional Crystal Structures using an Oxidation State dependent Molecular Conformation. J. P. Hill, et al., Chem. Commun. (2006) 2320–2322.

5. How Molecules accommodate a 2-D Lattice Mismatch: an Unusual ‘Mixed’ Conformation of Tetraphenylporphyrin. J. P. Hill, et al. Phys. Chem. Chem. Phys. (2006) 8, 5034–5037.

Solution/Fluid state
Self-assemblies of organic chromophores obtained by solution processing.

Figure 2. (a) Self-assembled nanotubes (TEM). (b) SEM and STEM images of self-assembled pyrazinacene nanotubes.

Related publications.
1. Self-assembled Pyrazinacene Nanotubes. G. J. Richards, et al. Phys. Chem. Chem. Phys. (2011) published online.

2. Nanoarchitectonics: A Conceptual Paradigm for Design and Synthesis of Dimension-Controlled Functional Nanomaterials. K. Ariga, et al. J. Nanosci. Nanotechnol. (2011) 11, 1-13.

3. Ultra-narrow PbS Nanorod-Nematic Liquid Crystal Blend for Enhanced Electro-optic Properties. S. Kundu, et al. ACS Applied Materials & Interfaces.(2010) 2, 2759-2776.

4. Ultrasmall ZnS Nanorod-Nematic Liquid Crystal Blend for Polarization-Tailored Electrooptic Devices. S. Acharya, et al. Adv. Mater. (2009) 21(9), 989-993.

5. Diverse Self-assembly in Soluble Oligoazaacenes. G. J. Richards, et al. Langmuir (2009) 25, 8408-8413.

6. Multi-dimensional Control of Surfactant Guided Assemblies of Quantum Gold Particle. Q. Ji, et al. Adv. Mater. (2008) 20, 4027-4032.

7. Self-Assembled Hexa-peri-hexabenzocoronene Graphitic Nanotubes. J. P. Hill, et al. Science (2004) 304, 1481-1483.