Designing and developing novel nanomaterials, nanofibers, and hybrid nanocomposites.
Knowledge of various analytical tools to characterize and to analyze nanomaterials.
Developing and designing new systems for:
Piezoelectric nanogenerators (PENG)
Electrochemical method for supercapacitors
Photocatalysis, water purification.
Adsorption of volatile organic compounds (VOC)

2022/02 – 2023/04: Post-doctorate researcher Sungkyunkwan University, Suwon, Republic of Korea

2020/03 – 2021/12: Chemistry lecturer Tribhuvan University, Kathmandu, Nepal

2019/03 – 2020/01: Post-doctorate researcher Jeonbuk National University, Jeonju, Republic of Korea

2015/03 – 2019/02: Doctor of philosophy (Ph.D.) Jeonbuk National University, Jeonju, Republic of Korea

2012/11 – 2015/02: Graduate Research Assistant Inha University,Incheon, Republic of Korea

2008 – 2012: Chemistry lecturer/instructor National College of Information Technology (NCIT), Pokhara University, Nepal

2007: Masters of science (M. Sc.), Tribhuvan University, Nepal

2004: Bachelors of science (B. Sc.), Tribhuvan University, Nepal

(15) Devi Prashad Ojha, Bhavana Joshi, Edmund Samuel, Ashwin Khadka, Ali Aldalbahi, Daekyu Choi, Seongpil An, Sam S Yoon, Supersonically sprayed, flexible ZnO/PVDF composite film with enhanced piezoelectricity for energy harvesting and storage, International Journal of Energy Research, 2023.

(14) Devi Prashad Ojha, H. J. Kim, Investigation of photocatalytic activity of ZnO promoted hydrothermally synthesized ZnWO4 nanorods in UV–visible light irradiation, Chemical engineering sciences, 212, 115338, 2020.

(13) Devi Prashad Ojha, M.B. Poudel, H. J. Kim, Materials Letters Investigation of electrochemical performance of a high surface area mesoporous Mn doped TiO2 nanoparticle for a supercapacitor, Materials letters, 264, 127363 2020.

(12) Devi Prashad Ojha, Hem Prakash Karki, Han Joo Kim, Design of ternary hybrid ATO/g-C3N4/TiO2 nanocomposite for visible-light-driven photocatalysis, Journal of industrial and engineering chemistry 61, 87-96, 2018.

(11) Devi Prashad Ojha, Hem Prakash Karki, Jun Hee Song, Han Joo Kim, Amine-assisted synthesis of FeWO4 nanorod g-C3N4 for enhanced visible light-driven Z-scheme photocatalysis, Composites part B: engineering 160, 277-284, 2018.

(10) Devi Prashad Ojha, Hem Prakash Karki, Jun Hee Song, Han Joo Kim, Decoration of g-C3N4 with hydrothermally synthesized FeWO4 nanorods as the high-performance supercapacitors, Chemical physics letters 712, 83-88, 2018.

(9) Devi Prashad Ojha, Jun Hee Song, Han Joo Kim, Facile synthesis of graphitic carbon-nitride supported antimony-doped tin oxide nanocomposite and its application for the adsorption of volatile organic compounds, Journal of environmental sciences 435, 599-608, 2018.

(8) Devi Prashad Ojha, Hem Prakash Karki, Jun Hee Song, Han Joo Kim, Photocatalytic degradation of organic pollutants with Pt-CaFe2O4/TiO2 composite under visible-light irradiation, Digest journal of nanomaterials & biostructures 13 (3), 2019.

(7) Devi Prashad Ojha, Mahesh Kumar Joshi, Han Joo Kim, Photo-Fenton degradation of organic pollutants using a zinc oxide decorated iron oxide/reduced graphene oxide nanocomposite, Ceramics international 43 (1), 1290-1297, 2017.

(6) Hem P Karki, Laxmi Kafle, Devi Prashad Ojha, Jun H Song, Han J Kim. Cellulose/polyacrylonitrile electrospun composite fiber for effective separation of the surfactant-free oil-in-water mixture under a versatile condition. Separation and purification technology 210, 913-919, 2019.

(5) Hem P Karki, Devi Prashad Ojha, Mahesh K Joshi, Han J Kim. Effective reduction of p-nitrophenol by silver nanoparticle loaded on magnetic Fe3O4/ATO nano-composite. Applied surface science 435, 599-608, 2018.

(4) Hem P Karki, Laxmi Kafle, Devi Prashad Ojha, Jun H Song, Han J Kim. Three-dimensional
nanoporous polyacrylonitrile-based carbon scaffold for effective separation of oil from oil/water emulsion. Polymer 153, 597-606, 2018.

(3) Sang Do Sung, Devi Prashad Ojha, Jee Su You, Joori Lee, Jeongho Kim, Wan In Lee. 50 nm sized spherical TiO2 nanocrystals for highly efficient mesoscopic perovskite solar cells. Nanoscale 7, 8898906, 2015.

(2) Sher B Rawal, Devi Prashad Ojha, Young Sik Choi, Wan In Lee. Coupling of W-doped SnO2 and TiO2 for efficient visible-light photocatalysis. Bulletin of the korean chemical society 35, 913-8, 2014.

(1) Sher B Rawal, Devi Prashad Ojha, Sang Do Sung, Wan In Lee. Fe2WO6/TiO2, an efficient visible-light photocatalyst driven by hole-transport mechanism. Catalysis communications 56, 55-59, 2014