1. pH-controlled synthesis of ZnO nanoflowers: A correlation study among the optoelectronic properties and improved photodegradation efficiency

Vaishnavi K. Mohan, Anushk Srivastav, Frank Güell, Teny Theresa John, Journal of Alloys and Compounds 976 (2024) 172993

2. Quick Surface Adsorption and Sensing of Ammonia at Room Temperature by In₂S₃ Thin Films

Sumit Kumar, Teny Theresa John, Applied Surface Science 620 (2023) 156816

3. In₂S₃ vacuum pressure sensor through a simple two-step process

Sumit Kumar, Teny Theresa John, Applied Physics Letters 121 (2022) 082101

4. Highly photoresponsive In₂S₃ thin film by sulfurizing indium layer

Sumit Kumar, Teny Theresa John, Materials Chemistry and Physics 286 (2022) 126222

5. Local structural studies through EXAFS and effect of Fe²⁺or Fe³⁺ existence in ZnO Nanoparticles

Chithira P. R, Abharana N, S.N. Jha, D. Bhattacharyya, Teny Theresa John, Journal of Physical Chemistry C 125 (24) (2021) 13523-13533

6. Correlation among oxygen vacancy and doping concentration in controlling the properties of cobalt doped ZnO nanoparticles

Chithira P R and Teny Theresa John, Journal of Magnetism and Magnetic Materials 496 (2020) 165928

7. Defect and dopant induced room temperature ferromagnetism in Ni doped ZnO nanoparticles

Chithira P R and Teny Theresa John, Journal of Alloys and Compounds 766 (2018) 572 – 583

8. On the visible luminescence in ZnO nanoparticles

Chithira P R and Teny Theresa John, J. Lumin. 185 (2017) 212-218

9. Study on optical, electronic and thermal properties of β-In2S3 thin films using photothermal beam deflection technique

Anita R. Warrier, R. Jayakrishnan, Teny Theresa John, C. Sudha Kartha and K. P. Vijayakumar, J Mater Sci: Mater. Electron. 27 (2016) 3628-3636

10. Effect of [OH-] linkages on luminescent properties of ZnO Nanoparticles

Teny Theresa John, K. R. Priolkar, Aurélie Bassière, P. R Sarode and Bruno Viana, J. Phys. Chem. C 115 (37) (2011) 18070–18075

11. Structural and Optical Properties of Indium Sulfide Thin Films Prepared by Silar Technique

Anita R. Warrier, Teny Theresa John, K.P. Vijayakumar and C. Sudha Kartha,  The Open Condensed Matter Physics Journal 2 (2009) 9-14

12. Do the grain boundaries of β- In2S3 thin films have a role in sub-band-gapphotosensitivity to 632.8 nm?

R. Jayakrishnan, Teny Theresa John, C. Sudha Kartha , K. P. Vijayakumar, Deepti J ain, L. S. Sharath Chandra and V. Ganesan, Journal of Applied Physics 103 (2008) 053106

13. On the photoconductivity in sprayed β-In2S3 thin films under sub band gapexcitation of 1.96 eV

R. Jayakrishnan, Tina Sebastian, Teny Theresa John, C. Sudha Kartha and K. P. Vijayakumar, Journal of Applied Physics 102 (2007) 043109

14. Post deposition annealing effect on In2S3 thin films deposited using SILAR technique

R. Ranjith, Teny Theresa John, C. Sudha Kartha, K. P. VijayakumarT. Abe and Y. Kashiwaba, Materials Science in Semiconductor Processing 10 (1) (2007) 49-55

15. Effects of Na incorporation in spray pyrolysed CuInS2 thin films

Teny Theresa John, Tina Sebastian, C. Sudha Kartha, K. P. Vijayakumar, T. Abe and Y. Kashiwaba, Physica B: Condensed Matter 388 (2007) 1- 9

16. Modification in cell structure necessary for better performance of all sprayed CuInS2/In2S3 thin film solar cell

Teny Theresa John, C. Sudha Kartha, K. P. Vijayakumar, T. Abe and Y. Kashiwaba, Applied Physics A 82 (2006) 703 – 707

17. Spray pyrolysed β-In2S3 thin films: Effect of post deposition annealing

Teny Theresa  John, C. Sudha Kartha, K. P. Vijayakumar, Y. Kashiwaba and T. Abe, Vacuum 80 (8) (2006) 870-875

18. SHI induced modifications in spray pyrolysed β-In2S3 thin films

P. M. Ratheesh Kumar, Teny Theresa John, C. Sudha Kartha and K. P. Vijayakumar Nucl. Instr. and Meth. B 244 (2006) 171-173

19. Effects of thickness and post deposition annealing on the properties of evaporated In2S3 thin films

P. M. Ratheesh Kumar, Teny Theresa John, C. Sudha Kartha and K. P. Vijayakumar, Journal of Materials Science 41 (17) (2006) 5519-5525

20. Implantation assisted copper diffusion: A different approach for the preparation of CuInS2/In2S3 p-n junction

K. C. Wilson, Tina Sebastian, Teny Theresa John, C. Sudha Kartha, K. P. Vijayakumar, P.Magudapathy and K.G. M. Nair, Applied Physics Letters 89 (2006) 013510

21. CuInS2 films using repeated chemical spray pyrolysis

Teny  Theresa  John, K. C.  Wilson, P. M.  Ratheesh  Kumar, C. Sudha Kartha, K.P.    Vijayakumar, Y. Kashiwaba, T. Abe and Y. Yasuhiro, Physics Status Solidi (a) 202 (1) (2005) 79-84

22. CuInS2/In2S3 thin film solar cell using spray pyrolysis technique having 5% efficiency

Teny Theresa  John, Meril Mathew, C. Sudha Kartha, K. P. Vijayakumar, T. Abe and Y. Kashiwaba, Solar Energy Materials and Solar Cells 89(1) (2005) 27-36

23. Preparation of indium sulfide thin films by spray pyrolysis using a new precursor indium nitrate

Teny Theresa  John, C. Sudha Kartha, K. P. Vijayakumar, T. Abe and Y. Kashiwaba, Applied   Surface Science 252 (5) (2005) 1360-1367

24. Observation of phase transitions in chemical bath deposited copper selenide thin films through conductivity studies

Rupa R Pai, Teny Theresa John, M. Lakshmi, K. P. Vijayakumar and C. Sudha Kartha, Thin Solid Films 473 (2) (2005) 208-212

25. Defect characterization of spray pyrolysed β-In2S3 thin film using ThermallyStimulated Current Measurements

Rupa R Pai, Teny Theresa  John, Y. Kashiwaba, T. Abe, K. P. Vijayakumar and C. Sudha Kartha

Journal of Material Science 40 (3) (2005) 741-746

26. Defect analysis of sprayed β-In2S3 thin films using photoluminescence studies

R. Jayakrishnan, Teny Theresa John, C. Sudha Kartha, K. P. Vijayakumar, T. Abe and Y. Kashiwaba

Semiconductor Science and Technology 20 (2005) 1162-1167

27. Characterisation of In2S3 and ZnO thin films for photovoltaic applications usingphotothermal deflection technique

M. Paulraj, S. Ramkumar, P. R. Amjith, Teny Theresa John, P. M. Ratheesh Kumar, C. Sudha Kartha, K. P. Vijayakumar and K.G. M. Nair, J. Phys. IV France 125 (2005) 469-472

28. Characterisation of spray pyrolysed indium sulfide thin films

Teny Theresa  John, S. Bini, Y. Kashiwaba, T. Abe, Y. Yasuhiro, C. Sudha Kartha and K. P. Vijayakumar, Semiconductor Science and Technology 18 (2003) 491-500

Conferences: International/National

1. Investigation on the local structure through XAS, XPS and magnetic properties of Ni doped SnO₂ nanoparticles
Vaishnavi K Mohan, Chithira P R, Abharana N, Dibyendu Bhattacharyya, Teny Theresa John, 31^st International Materials Research Congress (IMRC), Cancun, Mexico, 2023 (13-18 August 2023) (Oral virtual presentation)

2. Optoelectronic Properties of Thermally Deposited In₂S₃ Films After High Vacuum Treatment
Sumit Kumar, Teny Theresa John, International Conference on Condensed Matter and Device Physics (ICCMDP) -2021 (Oral Presentation)

3. Visible light detectivity enhancement of In₂S₃ photodetector
Sumit Kumar, Teny Theresa John, XIXX Intenational Materials Research Congress (IMRC), Cancun, Mexico, 2021

4. Defect analysis and sulfurization effect of thermally deposited indium films
Sumit Kumar, Teny Theresa John, International Conference on Nanoscience and Nanotechnology (Virtual conference) February 1-3, 2021, SRM Institute of Science and Technology, Chennai, India

5. Above Room Temperature Ferromagnetic Fe doped ZnO nanoparticles by chemical solution deposition method
Chithira P R, Teny Theresa John, International Conferences on Nanomaterials and Nanotechnology (ICNano 2018), 9-12 October 2018, Stockholm, Sweden

6. Structural, Optical and Magnetic Properties of Co Doped ZnO Nanoparticles

Chithira P R, Teny Theresa John, Proceedings of International Conference on Nanotechnology: Ideas, Innovations and Initiatives (ICN: 3I-2017), December 06 - 08, 2017, p-115 (IIT Roorkee, Uttarakhand) India.

7. Structural and Optical Properties of Ni doped ZnO nanoparticles
Chithira P R, Teny Theresa John, International Conference on Magnetic Materials and Applications (ICMAGMA 2014), September 15-17, 2014, p-185, Department of Physics, Pondicherry University

8. Photoluminescence studies on Zn_1-xCo_xO nanoparticles
Chithira P R, Teny Theresa John, Proceedings of international conference on Advances in Materials, Manufacturing and Applications (AMMA-2015) April 9-11,2015, p-118 (NIT, Trichy)

9. Characterization of spray pyrolysed β-In2S3 thin films with different In/S ratio
Teny Theresa John, S. Bini, C. Sudha Kartha, K. P. Vijayakumar, T. Abe and Y. Kashiwaba, Proc. International Symposium on Recent Advances in Inorganic Materials (RAIM- 2002) IIT Bombay, Mumbai (2002) 106

10. Effect of variation of indium on structural and optical properties of indium sulfide thin films
Teny Theresa John, K. P. Vijayakumar, C. Sudha Kartha, T. Abe and Y. Kashiwaba, Proc. World Conference on Photovoltaic Energy Conversion (WCPEC-3) Osaka, Japan 1P-C3-24 (2003)

11. XPS investigations on CuInS2 solar cell having In2S3 buffer layer
Teny Theresa John, C. Sudha Kartha, K. P. Vijayakumar, T. Abe and Y. Kashiwaba, Proc. The 12th International Conference on Solid Films and Surfaces (ICSFS-12), Hamamatsu, Japan (2004) 101

12. A novel cadmium free buffer layer for CIS based sprayed solar cells-An attempt
K. P. Vijayakumar, Teny Theresa John and C. Sudha Kartha, 19th European Photovoltaic Solar Energy Conference and Exhibition, Paris, France (2004)

13. CuInS2/In2S3 thin film solar cell prepared entirely using CSP technique
Teny Theresa John, C. Sudha Kartha, K. P. Vijayakumar, Y. Kashiwaba and T.Abe, International Conference on the Physics, Chemistry and Engineering of Solar Cells (SCELL- 2004), Badajoz, Spain

14. Indium sulfide thin films prepared using CSP technique
Teny Theresa John, C. Sudha Kartha and K. P. Vijayakumar, The 2nd International Conference on Technological Advances of Thin Films and Surface Coatings
(Thin Films 2004), Singapore

15. Evaluation of performance of all sprayed CuInS2/In2S3 solar cell with variation in absorber layer thickness
K.P. Vijayakumar, Teny Theresa John, C. Sudha Kartha, T. Abe and Y. Kashiwaba, Photovoltaic Science and Engineering Conference (PVSEC-20), Barcelona, Spain (2005)

16. Effect of Na incorporation on Cu deficient CuInS2 thin films
Teny Theresa John, Tina Sebastian, C. Sudha Kartha and K. P. Vijayakumar, Optoelectronic Materials and Thin Films for Advanced Technology (OMTAT- 2005), CUSAT, Kochi, India

17. Effect of doping of spray pyrolysed indium sulfide thin films
Meril Mathew, Teny Theresa John, C. Sudha Kartha and K. P. Vijayakumar, Optoelectronic Materials and Thin Films for Advanced Technology (OMTAT- 2005), CUSAT, Kochi, India

18. Comparative study of Cu rich and In rich CuInS2 thin films prepared using automated spray system
Tina Sebastian, Teny Theresa John, R. Jayakrishnan, K. P. Vijayakumar, C. Sudha Kartha, Deepthi and V. Ganeshan, Optoelectronic Materials and Thin Films for Advanced Technology (OMTAT- 2005), CUSAT, Kochi, India

19. Structural and Optical properties of Mn- doped ZnO nanoparticles
Teny Theresa John, K. R. Priolkar and P. R Sarode, DAE Solid State Symposium, BARC, Mumbai (2008)

20. Optimization of preparation conditions and realization of CuInS2/In2S3 solar cell of5%  efficiency uaing CSP technique
Teny Theresa John (Selected for Young Achiever Award presentation), DAE Solid State Symposium, BARC, Mumbai (2005)

21. Spray pyrolysed CuInS2/In2S3 solar cell: Material characterization and devicefabrication
Teny Theresa John (Thesis Presentation), DAE Solid State Symposium, BARC, Mumbai (2005)

22. Preparation of CuInS2 thin films using multiple spray pyrolysis technique
Teny Theresa John, C. Sudha Kartha, K. P. Vijayakumar, T. Abe and Y. Kashiwaba, MRSI Theme Symposium, Banarus Hindu University, Varanasi (2004)

23. CuInS2 based solar cell with In2S3 buffer layer having 5% efficiency
Teny Theresa John, C. Sudha Kartha, K. P. Vijayakumar, T. Abe and Y. Kashiwaba, DAE Solid State Symposium, GNDU University, Amritsar (2004)

24. Deposition and characterization of -In2S3 prepared using Successive Ionic Layer Adsorption  and Reaction
R. Ranjith, Teny Theresa John, C. Sudha Kartha and K. P. Vijayakumar, MRSI Theme Symposium: Novel Polymeric Materials BARC, Mumbai (2003)

25. β- Indium sulfide thin films prepared using SILAR and CSP: A Comparison
R.Ranjith, Teny Theresa John, C. Sudha Kartha and K. P. Vijayakumar, DAE Solid State Symposium, Jiwaji University, Gwalior (2003)

26. Thermally stimulated current measurements on β-In2S3 thin films
Rupa R Pai, Teny Theresa John, P. M. Ratheesh Kumar, K. P. Vijayakumar and C. Sudha Kartha, MRSI Theme Symposium, Banarus Hindu University, Varanasi (2004)

27. Temperature dependent dark conductivity measurements on In2S3 thin films
K. C. Wilson, Teny Theresa John, C. Sudha Kartha and K. P. Vijayakumar, MRSI Theme Symposium, Banarus Hindu University, Varanasi (2004)

28. An observation on the effect on traps in β-In2S3 thin films by varying the thermally stimulated current measurement parameters
Rupa R Pai, Teny Theresa John, P. M. Ratheesh Kumar, K. P. Vijayakumar and C. Sudha Kartha, MRSI Theme Symposium, Banarus Hindu University, Varanasi (2004)

29. Effect of 120 keV nitrogen ion implantation on In2S3 thin films
K.C. Wilson, Teny Theresa John, P. Magudapathi, K. G. M. Nair, C. Sudha Kartha and K.P. Vijayakumar, DAE Solid State Symposium, GNDU University, Amritsar (2004)

30. Low temperature PL studies on sprayed -In2S3 thin films
R.Jayakrishnan, Teny Theresa John, C. Sudha Kartha and K. P. Vijayakumar, DAE Solid State Symposium, GNDU University, Amritsar (2004)

31. Structural and electrical characterization of copper selenide thin films prepared using chemical bath deposition
Rupa R Pai, Teny Theresa John, M. Lakshmi, S. Bini, K. Bindu, K. P. Vijayakumar and C. Sudha Kartha, Workshop on Complete Cycle Characterization of Materials (CCM-2001) IGCAR, Kalpakkam (2001)

32. Effect of stoichiometric variation on band gap of copper selenide thin films
Teny Theresa John, M. Lakshmi, C. Sudha Kartha and K. P. Vijayakumar, National Conference on Thin Film Techniques and Applications (NACTTA- 2002) P S G College of Arts and Science, Coimbatore (2002)

33. Studies on spray pyrolysed indium sulfide thin films at different substrate temperatures
Teny Theresa John, C. Sudha Kartha, K. P. Vijayakumar, T. Abe and Y.Kashiwaba National Conference on Recent Advances in Material Science
(NCMS-2002) Nehru Memorial College, Thiruchirappalli (2002)

34. Characterization of In2S3 and ZnO thin films for photovoltaic application usingphotothermal deflection technique
M. Paulraj, S. Ramkumar, Teny Theresa John, P. M. Ratheesh Kumar, C. Sudha Kartha, K. P. Vijayakumar and K. G. M Nair, Regional Conference on Photoacoustics in Condensed Matter Physics and NDT, Madurai (2004)