Personal profile
Personal profile
Dr. Friedfeld holds a bachelor’s degree in physics from Seton Hall University and master’s and doctoral degree in physics from the Florida Institute of Technology. His current research focuses on the electrochemical deposition of thin film materials utilized in high efficiency thin film solar cells, scanning probe microscopy, scanning electron microscopy and X-ray diffraction. Current undergraduate research projects include atomic force microscopy of protein molecules related to the study of Alzheimer's disease and the development of CuInSe2/Si heterojunction thin film solar cells. Friedfeld has been at SFA since 1998.
Related documents
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Biofilm-Based Biomonitoring of Treated Wastewater Using Bacillus thuringiensis: Toward Sustainable Water Reuse
Sengupta, B., Ogunlewe, O., Friedfeld, R., Bess-Grunewald, C., Baker, P. & Onchoke, K., Aug 2025, In: Sustainability (Switzerland). 17, 16, 7272.Research output: Contribution to journal › Article › peer-review
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Biofilm-Based Biomonitoring of Treated Wastewater Using Bacillus thuringiensis: Toward Sustainable Water Reuse
Sengupta, B. R., Onchoke, K. K., Ogunlewe, O. O. & Friedfeld, R., Jan 1 2025, In: Sustainability.Research output: Contribution to journal › Article
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The effect of biosolid/soil composition on growth and uptake of zinc (Zn) by broccoli (Brassica oleracea var.) under greenhouse conditions
Onchoke, K. K., Horalan Jnr, B. P. & Friedfeld, R. B., Apr 10 2025, In: Environmental Science: Advances. 4, 6, p. 912-920 9 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Evaluation and analysis of perlite and municipal wastewater sludge (biosolids) from three wastewater treatment plants in East Texas, USA
Onchoke, K. K., Fateru, O. O., Friedfeld, R. B. & Weatherford, P. W., Feb 2022, In: Environmental Monitoring and Assessment. 194, 2, 121.Research output: Contribution to journal › Article › peer-review
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Comprehensive structural and compositional investigation of Maya pottery sherds from Lake Petén Itzá, Guatemala, Central America
Onchoke, K. K., Nicholson, P. S., Cecil, L. G., Friedfeld, R. B., Taylor, J. & Weatherford, W. P., Apr 2021, In: Journal of Archaeological Science: Reports. 36, 102767.Research output: Contribution to journal › Article › peer-review