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School of Materials Photography Competition 2009

Rhys Rhodes

Microurchins - An example of zinc-containing hyperbranched crystals

This image shows an optical micrograph of solution-processed hyperbranched crystals containing Zinc as the primary constituent.

Hyperbranched crystals are of great interest in the development of high-efficiency hybrid solar cells, but cells utilising such crystals suffer from poor polymer percolation and thus fall short of their potential. This image represents part of a series of experiments attempting to investigate and resolve this problem.

The micrograph was taken using a 3.2 megapixel Colorview Camera (Olympus) attached to a BX41 Optical microscope (Olympus) under polarised light.

Acknowledgements: I'd like to acknowledge my supervisor, Dr. Brian Saunders, his group, the Polymer and Colloids Research Group, the EPSRC, University of Manchester and Imperial College, London.

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