• Opto-Electronics
• Photonics
• Biotechnology

Research Interest:

• Renewable energy
• Semiconductor Physics
• Organic solar cells
• Nanophosphors

Field of specialisation:

• Renewable energy
• Condensed Matter Physics
• Semiconductor Physics
• Experimental Solid State Physics
• Nanophosphors

1. L.L. Noto, S.J. Mofokeng, F.V. Molefe, H.C. Swart, A.S. Tebele, M.S. Dhlamini, Luminescent dynamics of rare earth–doped CaTiO3 phosphors, Spectroscopy of Lanthanide Doped Oxide Materials, 2020, Woodhead Publishing, pp 57 – 86. ISBN: 9780081029350. DOI.10.1016/B978-0-08-102935-0.00003-4.

1. Journal articles.

• Seithati Qotso, Pontsho Mbule, Bakang Mothudi, “Microwave-assisted sol-gel synthesis of P3HT-ZnO: Sm³⁺, Yb³⁺: Study of structure, morphology, optical and electrical conductivity for organic solar cells application,” Materials Chemistry and Physics, Vol. 294, p. 127023, 2023.

• Seithati Qotso, Pontsho Mbule, Bakang Mothudi, “Synthesis and characterization of P3HT:ZnO-FWCNTs for possible application in organic solar cells,” Physica B: Condensed Matter, Vol 671, p. 415407, 2023.

Peer reviewed conferences

1. Tebele A.S, Motloung S.V, Dejene B.F, Luminescence properties of violet-orange-red emitting SrCO3:1% Eu2+,x% Cr3+ phosphors prepared by sol-gel technique. Proceedings of SAIP2013

2. Tebele A.S, Motloung S.V, Dejene B.F, Effects of catalyst:Ba on  the structure and luminescence properties of BaCO3:1% Eu3+, 2% Dy3+ phosphors synthesized using sol-gel process.  Proceedings of SAIP2014

3. Qotso A.S, Mbule P.S, Mothudi B.M, Characterization of P3HT-CNT thin films for photovoltaic solar cell applications. Proceedings of SAIP2021 (Accepted)

4. Seithati Qotso, Pontsho Mbule, Bakang Mothudi, “Characterization of P3HT-CNT thin films for photovoltaic solar cell applications,” in 2021 65^th South African Institute of Physics, SAIP 2021, North-West University (Potchefstroom Campus), South Africa, pp. 31-36, SAIP, 22 – 30 July 2021.

1. Professional positions, fellowships & awards

Professional Affiliation

• SAIP, Member
• SANi, Member

Short Biography:

Mrs A.S Qotso is a lecturer in the department of Electrical Engineering at University of South Africa (UNISA). Her interest on research is based on the development and engineering of nanomaterials for applications in organic/perovskite solar cells. She uses various techniques to study the optical, electrical and structural properties of these materials.