Dr. Walter Kamande Njoroge

Academic Qualifications

Refereed Journal Articles

1. Julia Rotich1, Mghendi Mwamburi2, Njoroge Walter1, Christopher Maghanga3, Onesmus Munyati4 and Sylvester Hatwaambo4Optical characterization of photocatalytic copper doped thin films of anodized titanium; Materials Research Express, Volume 7, Number 2 2020
2. Cliff OroriMosiori, Walter KamandeNjoroge, Lawrence OtienoOchoo, Influence of different spherical binary plasmonicnps on HTM layer in methyl ammonium lead triiodide solar-cell; TraektoriâNauki= Path of Science 5 (9) 2019
3. CO Mosiori, WK Njoroge, LO Ochoo “Optical Analysis of Ag-NPs Containing Methyl Ammonium Lead Tri-Iodide Thin Films” Traektoriâ Nauki= Path of Science 3 (9) (2017)
4. I.W. Muchira, WK Njoroge, PM Karimi “Kinetic analysis of crystallization processes in In60Se40 thin films for phase change memory (Pram) applications”. Science Publishing Group (2016)
5. S. O Opiyo, MK Munji, WK Njoroge, NE Makori, BM Obare “Electrical Characteristics of Zn Doped In 2 Se 3 Thin Films for Phase Change Memory (PRAM) Applications” American Journal of Condensed Matter Physics 6 (2), 21-26 (2016)
6. KS Wanjala, W. K Njoroge, JM Ngaruiya “Optical and Electrical Characterization of ZnS: Sn Thin Films for Solar Cell Application”: International Journal of Energy Engineering 6 (1), 1-7 (2016)
7. CO Mosiori, J Maera, WK Njoroge, TR Shikambe, M Munji, R Magare “Modeling Transfer of Electrons between Energy States of an Electrolyte and CdS thin Films using Gerischer Model”, Engineering International 3 (1), 5-3 (2015)
8. FK Mugwang’a, PK Karimi, WK Njoroge, O Omayio “Characterization of Aluminum Doped Zinc Oxide (Azo) Thin Films Prepared by Reactive Thermal Evaporation for Solar Cell Applications”; Journal of Fundamentals of Renewable Energy and Applications 2015
9. Kundu, PM Karimi, WK Njoroge “Crystallization kinetics of Sn40Se60 thin films for phase change memory applications”; Journal of Semiconductors 36 (6), 063002 (2015)
10. I.W Muchira, WK Njoroge, PM Karimi “Crystallization Kinetics Of In40se60 Thin Films For Phase Change Random Access Memory (Pram) Applications”: Journal of Ovonic Research Vol 11 (3), 131-136 (2015)
11. NE Makori, IA Amatalo, PM Karimi, WK Njoroge “Characterization of SnSe-CdO: Sn PN Junction for Solar Cell Applications” International Journal of Energy Engineering 5 (1), 1-4(2015)
12. NE Makori, IA Amatalo, PM Karimi, WK Njoroge “Optical and Electrical Properties of SnSe Thin Films for Solar Cell Applications” 2014, American Journal of Condensed Matter Physics 4 (5), 87-90
13. NE Makori, IA Amatalo, PM Karimi, WK Njoroge “Optical and Electrical Properties of CdO: Sn Thin Films for Solar Cell Applications”, International Journal of Optoelectronic Engineering 4 (1), 11-15 (2014)
14. F.K. Mugwanga, P.K. Karimi and W.K. Njoroge, Copper Based Solar Cell Materials: LAP Lambert Academic Publishing 2013 ISBN-10: 36593056341.
15. F.K. Mugwanga, P.K. Karimi, W.K. Njoroge, O. Omaiyo and S.M. Waita. Optical Characterization of Copper Oxide Thin Films Prepared by Reactive Magnetron Sputtering for Solar Cell Applications Int. J. Thin Film Sci. Tec. 2 No.1 15-24(2013)
16. O. Omaiyo, P.K. Karimi, W.K. Njoroge, and F.K. Mugwanga Current-Voltage Characterization of p-CuO/n-ZnO:Sn Solar Cell Int. J. Thin Film Sci. Tec. 2 No.1 25-28(2013)
17. L.K. Munguti, R.J. Musembi and W.K. Njoroge; ZnO:Sn Deposition by Reactive Evaporation: Effects of Dopping on the Electrical and Optical Properties; Elixir Thin Film Tech. 61(2013) 17162-17165
18. Karanja J., Karimi P., Njoroge W. and Wamwangi D. A New Phase Change Random Memory Based on SnSe4 ,Journal of Thin Solid Films Vol 527, pgs 1-384 January 2013
19. Karanja J. Karimi P. Njoroge W. and Wamwangi D. A New Phase Change Random Memory Based on SnSe4, Accepted for Publication by Journal of Thin Solid Films (2012)
20. Agumba J. O. Karimi P. M. Okumu J. Njoroge W. K. Design and Fabrication of a simple four Point Probe System for Electrical Characterization of Thin Films . International Journal of Current Research Vol 3. Issue, 7, pp 135-139, July 2011
21. W.K. Njoroge C.K. Wangati and J. Okumu “The influence of sputter power and chamber pressure on the optical properties of tungsten oxide thin films prepared by reactive DC magnetron.” (Accepted for publication by Tanzanian Journal Of Physical Society 2010)

Books