Career

Assistant Professor                                                   2023 - Present                                     

Department of Electrical Engineering,                                                                                                                                                                                     

Yuan Ze University,

Taoyuan City, Taiwan  

Research Areas : Thin film solar cells, transparent solar cells and photodetectors

Chief of International Affairs                                                               2024 - Present

Department of Electrical Engineering,                                                                                                                                                                                     

Yuan Ze University,

Taoyuan City, Taiwan

Post - Doctoral Researcher (MOST TAIWAN)                            2021 - 2023

Department of Electrical Engineering,

Group C,

Yuan Ze University, 

Taoyuan City, Taiwan

Research Areas : Photodetectors, Thin film solar cells, Thin film Transistors

• General Physics Lab (EI106)

• Logic Circuit Lab (EI108)

• Introduction to VLSI design (EI309) 

• Introduction to Computer Science(EI105)

• Semiconductor processing techniques

• Electronics

• Electronics circuits laboratory

1. Studies on high quality GaN/AlN deposited on glass substrates by radio-frequency reactive sputtering, Wei-Sheng Liu, Sui-Hua Wu, G Balaji, Li-Cheng Huang, Chung-Kai Chi, Kuo-Jui Hu, Hsing-Chun Kuo, Applied Physics A, Volume 130, article number 801, (October 2024) (IF - 2.5)

2. Optimization of high-quality gallium nitride thin films deposited on silicon substrates with an aluminum nitride buffer layer through radio-frequency magnetron sputtering, Wei-Sheng Liu, Sui-Hua Wu, G Balaji, Li-Cheng Huang, Chung-Kai Chi, Hsing-Chun Kuo, Vacuum, Volume 227, September 2024, 113352, (IF - 3.8) 

3. Enhanced Efficiency of Thin‐Film Solar Cells via Cation‐Substituted Kesterite Absorber Layers and Nontoxic Buffers: A Numerical Study, Balaji Gururajan, Atheek Posha, Wei‐Sheng Liu, Bhavya Kondapavuluri, Tarikallu Thippesh Abhishek, Perumal Thathireddy, Venkatesh Narasihman, physica status solidi (b)  Volume 262, Issue1,  July 30 2024 , 2400238 (IF - 1.5)

4. Comparative study of indium tin oxide and indium gallium zinc oxide as potential n-type materials for the fabrication of all inorganic transparent solar cells,G Balaji, Bhavya Kondapavuluri, Wei-Sheng Liu, R Balasundaraprabhu, S Prasanna, Materials letters, Volume 358, 1 March 2024, 135876 (IF - 2.7)

5. Optimal growth conditions for forming c-axis (002) aluminum nitride thin films as a buffer layer for hexagonal gallium nitride thin films produced with in situ continual radio frequency sputtering ,Wei-Sheng Liu, Balaji G, Sui-Hua Wu, Li-Cheng Huang, Chung-Kai Chi, Yu-Lun Jiang, Hsing-Chun Kuo, Micromachines 13(9) 1546 (2022), (IF – 3.5)

2. Investigations on post Sulphurized on Cu2ZnSnS4 absorber layer thin films prepared using Radio Frequency Magnetron Sputtering, G. Balaji, R. Balasundaraprabhu, S. Prasanna, N.Prabavathy, Elena Echeverria, D. N. McIlroy, K. Sivakumaran, M. D. Kannan, Dhayalan Velauthapillai, Thin Solid Films, 137764, (2020). (IF – 2.0)

3. Investigations of RF magnetron sputtered CZTS absorber layer thin films prepared using sulfur induced binary targets without sulfurization, G. Balaji, R. Balasundaraprabhu, S. Prasanna, N. Prabavathy, D.N. McIlroy, M.D. Kannan, Optical Materials, 75 (2018) 56-60. (IF - 2.7)

4. Investigations on Hot-wall deposited Cadmium Sulphide buffer layer for thin film solar cell, G. Balaji, R. Balasundaraprabhu, S. Prasanna, N. Prabavathy, M.R. Venkatraman, Vijayshankar Asokan, N. Muthukumarasamy, M.D. Kannan, K. Sivakumaran, Materials Letters 222 (2018) 82-87. (IF – 3.0)

5. Enhanced photostability of anthocyanin dye for increased efficiency in natural dye sensitized solar cells, N Prabavathy, R Balasundaraprabhu, Arne S Kristoffersen, G. Balaji, S Prasanna, K Sivakumaran, MD Kannan, Svein R Erga, Dhayalan Velauthapillai, Optik 227 (2021) 166053. (IF – 2.18)

6. Investigations on the Photo Catalytic activity of Calcium doped TiO2 photo electrode for enhanced efficiency of anthocyanins-based dye sensitized Solar cells, Prabavathy. N, Balasundaraprabhu. R, G. Balaji, A U, Malikaramage, S, Prasanna, K, Sivakumaran, G R A, Kumara, Rajapakse, R. M, Velauthapillai, Dhayalan, Journal of Photochemistry and Photobiology A: Chemistry 377 (2019) 43-57. (IF - 2.8)

7. Effect of ultrasonication during and after preparation of BiVO4 by chemical coprecipitation technique, J P Deebashree, Maheshkumar Velusamy, B. Vidhya, G. Balaji, Materials Today: Proceedings (2019), DOI: 10.1016/j.matpr.2019.07.718. 

8. Algal buffer layers for enhancing the efficiency of anthocyanins extracted from rose petals for natural dye‐sensitized solar cell (DSSC), N Prabavathy, S Shalini, R Balasundaraprabhu, Dhayalan Velauthapillai, S Prasanna, G. Balaji, N Muthukumarasamy, International Journal of Energy Research, 42 (2018) 790-801. (IF - 3.7)

9. Study of Optical and Electrical properties of Hot-wall deposited CdS thin films, Sriram. R, Mugeshkannan. V, G. Balaji, R. Balasundaraprabhu, National Journal of Technology, 14(2018) 31-34

10. Investigations on the structural, optical, and visible light photocatalytic activity of Cu3SnS4 prepared by mechanical alloying, V Maheskumar, Balaji Gururajan, B Vidhya, Journal of Materials Science: Materials in Electronics, 28 (2017) 19081-19089. (IF - 2.1)

11. Preparation and Characterization of Refractory ZnO Buffer Layers for Thin Film Solar Cell Applications, G. Balaji, R Sivakami, M Sridharan, K Jeyadheepan, Materials Today: Proceedings, 3 (2016), 1730- 1736.

1. Numerical study of thin film solar cell with kesterite Absorber layer and non-toxic buffer layers, Bhavya. K, Venkatesh. N, Balaji. G*, Wei-Sheng Liu, OPTIC - 2024, Taipei, Taiwan

2. Influence of Oxygen Flow Rate on Structural, Optical, and Morphological Properties of β-Ga₂O₃ Thin Films, Kao Sheng Hsiang, Ting-rui Hsu  Venkatesh. N, Deveshwar, Balaji. G*, Wei-Sheng Liu*, TACT - 2024, Yunlin, Taiwan

3. Experimental and numerical analysis of oxide heterojunctions fabricated by RF magnetron sputtering for semi-transparent solar cells, Balaji. G*, Bhavya. K, Wei-Sheng Liu, Venkatesh. N, Deveshwar, Done Rinshun Paul, ISSP - 2024, JAPAN

4. Optimization of the growth temperature and periods for improving the optical properties of SWIR Type-II super lattice for Infrared Photodetectors, Yung-Jyun Liao, Hou-Yi Chen, Pin-Chih Liu, Balaji. G, Kai-Yang Hsu, Wei-Sheng Liu*, Jen-Inn Chyi, OPTIC – 2022, Zhongli, Taiwan.

5. Comparative studies of Zn(O:S) thin films by post sulphurization of RF sputtering- deposited ZnO layers, Yung-Chen Li, Wei-Sheng Liu, Balaji G, Ming-Hsuan Tsai, OPTIC -2021, Kaohsiung Taiwan.

6. Effect of Nitrogen ratio on the Growth of High Quality AlN on Si<111> Substrate by RF Magnetron Sputtering, Yu-Lun Jiang, Wei-Sheng Liu, Sui-Hua Wu, Balaji G, Chung-Kai Chi, Li-Cheng Huang, OPTIC -2021, Kaohsiung Taiwan.

7. Influence of growth temperature of InAs/GaSb Type II Superlattice Infrared Photodetector prepared using Molecular Beam Epitaxy, Guan-Ru Chen, Wei-Sheng Liu, Po-Hao Chang, G. Balaji, Tsun-Jie Ko, Ming-En Syu, and Jen-Inn Chyi, OPTIC -2021, Kaohsiung Taiwan.

8. The effects of growth temperatures on the growth of high quality AlN (002) thin films on Si (111) substrate by RF magnetron sputtering, Sui-Hua Wu, Wei-Sheng Liu, Li-Cheng Huang, Chung-Kai Chi, Balaji G, Yu-Lun Jiang, OPTIC -2021, Kaohsiung Taiwan.

9. Fabrication and IV analysis of CZTS thin film solar cells, G. Balaji, R. Balasundaraprabhu, S. Prasanna, David Mcilroy, Elena Echeverria, Dhayalan Velauthapillai, M. D. Kannan, Ecole school of Physics - Physics of solar cells from basic principles to advanced characterization, Les Houches, France, Feb 2020.

10. Investigations of RF Magnetron Sputtered CZTS absorber layer thin films using XPS and UPS, G. Balaji, R. Balasundaraprabhu, S. Prasanna, David Mcilroy, Elena Echeverria, Dhayalan Velauthapillai, MRS Spring 2019, Phoenix, Arizona, USA, April 2019.

11. XPS analysis of RF magnetron sputtered CZTS thin films. G. Balaji, R. Balasundaraprabhu, S. Prasanna, K. Sivakumaran, M. D. Kannan, Sri Ramakrishna Engineering College, Coimbatore, India July 2018.

12. Studies on RF Magnetron sputtered Cu2ZnSnS4 (CZTS) Absorber layer thin film for Sustainable Solar Cells, G. Balaji, R. Balasundaraprabhu, N. Prabavathy, S. Prasanna, K. Sivakumaran, M. D. Kannan, at Coimbatore Institute of Technology, India, Nov 2017.

13. Attended Indian Nanoelectronics Users program, Hands-on Training Workshop on fabrication of Si solar cells at IIT Bombay, India, February 2017.

14. Studies on RF Magnetron Sputtered CZTS absorber layer thin films for solar cell applications, G. Balaji, N. Prabavathy, R. Balasundaraprabhu, S. Prasanna, K. Sivakumaran, M. D. Kannan, at International Conference on Advances in Functional Materials at Anna University, Chennai, Jan 2016.

15. Preparation and Characterization of Refractory ZnO buffer layers for thin film solar cell applications, G. Balaji, R. Sivakami, M. Jeyadheepan, M, Sridharan, RAINSAT-2015 – Sathyabama University, Chennai, India, July 2015.

16. Influence of Pyrolysis Temperature on the Opto-electronic Properties of Copper Zinc Tin Sulphide Thin Films, R. Sivakami, G. Balaji, M. Jeyadheepan, M, Sridharan, RAINSAT- 2015 – Sathyabama University, Chennai, India, July 2015.