Collaborating research institutes, centres and groups Nanophotonics Group We perform fundamental optical physics and materials research. This is critical for the discovery and development of new and improved optoelectronic technologies. Research outputs Effect of copper content and sulfurization process on optical, structural and electrical properties of ultrasonic spray pyrolysed Cu2ZnSnS4 thin films 2016, Materials Chemistry and Physics, 169, 96-104 DOI: 10.1016/j.matchemphys.2015.11.035 Type: article