Prof. Leelakrishna Reddy

Associate Professor
Name: Leelakrishna Reddy
Location: John Orr Building 7168 Doornfontein Campus
Physics Academic Staff  Staff Members

Contact Details:
Tel: 011 559 6015

Email: krishr@uj.ac.za

About Prof. Leelakrishna Reddy

NRF Rating: C3

Field of Specialisation: Material Science, Solid State Physics

Prof Reddy’s group is actively involved in advancing materials science and technology across various applications. Projects include improving LED technology through the fabrication and exploration of novel materials, investigating the luminescence properties of phosphor materials, researching energy storage device materials for various applications, and studying materials for phototherapy applications. He is also supervising projects focusing on luminescence, energy storage, and other applications, as well as working with doctoral students who are studying the properties of materials used in luminescence and glass materials. Overall, his research spans a wide range of materials and applications, focussing on a multidisciplinary approach to advancing materials science and applications. Further, he has published widely in the Scholarship of Learning and in Nanophysics. Presently he is a C-Nrf rated scientist.

Recent Publications:

1. Reddy L. Exploring Gd3+-activated calcium-based host materials for phototherapy lamps: A comprehensive review.
   Heliyon. 2024 Jul 11.
2. Reddy L. The Role of Anions in Rare-earth Activated Inorganic Host Materials for its Luminescence Characteristics.
   Journal of Fluorescence. 2024 Feb 13:1-36.
3. Letswalo ML, Reddy L, Balakrishna A, Swart HC, Ntwaeaborwa OM. Investigation of red‐emitting CaMoO4: Eu3+ phosphor by partitioning of substitutional PO43− ions via solid‐state reaction method.
   Luminescence. 2024 Sep;39(9):e4905.
4. Tyagi D, Laxmi V, Basu N, Reddy L, Tian Y, Ouyang Z, Nayak PK. Recent advances in two-dimensional perovskite materials for light-emitting diodes.
   Discover Nano. 2024 Jul 2;19(1):109.
5. Balakrishna A, Sefage AP, Reddy L. Nanomaterial-based Narrowband UVB Light-emitting Devices for Phototherapy Treatment of Infectious Skin Diseases.
6. Reddy L. A review of the efficiency of white light (or other) emissions in singly and Co-doped Dy3+ Ions in different host (Phosphate, Silicate, Aluminate) Materials.
   Journal of Fluorescence. 2023 Nov;33(6):2181-92.
7. Kummara SK, Reddy L. Tailored Optical, Magnetic and Photoluminescence properties of Fe/Cr-doped ZnO nanoparticles synthesized via solution combustion method.
   Nano-Structures & Nano-Objects. 2024 Sep 1;39:101263.
8. Kumaara SK, Reddy L, Hatshan MR, Roy N, Kim JS, Joo SW. Comprehensive characterization of octahedral Co3O4 doped with Cu induces oxygen vacancies as a battery-type redox active electrode material for supercapacitors.
   Ceramics International. 2024 Oct 1;50(19):34726-39.
9. Mathe TG, Balakrishna A, Mamo MA, Ntwaeaborwa OM, Kroon RE, Coetsee E, Swart HC, Reddy L. A study on the impact of [BO33−],[PO43−] and [SO42−] ions in normal cubic structures via structural and photoluminescence properties of Y2O3: Eu3+ phosphors.
   Journal of Molecular Structure. 2024 Mar 5;1299:137127.
10. Mathe TG, Balakrishna A, Mamo MA, Ntwaeaborwa OM, Kroon RE, Coetsee L, Swart HC, Reddy L. Substitutional effects of the anionic group systems [BO33−],[PO43−], and [SO42−] on the down-conversion photoluminescence properties of Y2O3: Er3+ nanophosphors.
    Current Applied Physics. 2024 Nov 1;67:151-63.

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