1. 22.8% efficient silicon solar cell
2. 24% efficient silicon solar cells
3. and , ‘Improved reflection and light trapping using tilted pyramids and grooves’, Proc. 4th International Photovoltaic Science and Engineering Conference, Sydney, February 1989, pp. 615–620.
4. Light trapping properties of pyramidally textured surfaces
5. ‘Recent advances in silicon solar cell performance’, Proc. 10th European Communities Photovoltaic Solar Energy Conference, Lisbon, April, 1991, pp. 250–253.