“Electrospun Strontium Titanata Incorporated with Nickel Oxide Nanoparticles for Improved Photocatalytic Activities,” SPIE Smart Structures/Non-destructive Evaluation Conference, San Diego, CA, March 8- 12, 2015, 8 pages. 16. Alarifi, I.M., Alharbi, A., Alsaiari, O., and Asmatulu, R.