Preety Ahuja

Preety Ahuja is an Assistant Research Scientist at Center for Advanced Sensor Technology Research, Department of Chemical and Biochemical Engineering University of Maryland, Baltimore County. ,
Title: Assistant Research Scientist, CAST


  • Ph.D., Electrochemistry, University of Delhi, India, 2015.
  • M.Sc., Physical Chemistry, University of Delhi, India, 2010.
  • B.Ed., Education, Indraprastha University, India, 2008.
  • B.Sc., Maths Physics Chemistry, University of Delhi, India, 2007.


  • Assistant Research Scientist, University of Maryland Baltimore County, 2022-present.
  • Post Doctoral Fellow, Shinshu University, Japan, 2017-2022.
  • Project Investigator (PI), NPDF Project, Jamia Hamdard, India, 2016-2017.
  • Guest Lecturer, Sri Aurobindo College, University of Delhi, India, 2015-2016.

Research Activities

  • Development of nanomaterials and stretchable membranes focused on sensing and supercapacitor applications.
  • Analysis or interpretation of scientific data (XPS, PXRD, UV/Vis, FTIR and Raman Spectroscopy, TGA) with computational tools (OriginLab, PeakFit v4, and ZView).
  • Design and development of polymer and graphene based ternary nanocomposites for wastewater purification.
  • Designed and development of polymeric carbon composites for gas sensing.

Courses Taught

  • Physical Chemistry (undergraduate level)
  • Analytical Chemistry (undergraduate level)

Professional Memberships and Awards

  • Referee: ACS, RSC, Elsevier, MDPI, Taylor & Francis Science Journals. Reviewed ~25 research articles.
  • Editorial board member for “Journal of Composite Science”, 2021.
  • Awarded NPDF project from DST, India in January 2016.
  • Awarded 2nd Prize for Poster Presentation at the “8th India Singapore Symposium in Condensed Matter Physics”, February 2015.

Book Chapters

  • S. K. Ujjain, Preety Ahuja, Applications of Quantum Dots in Supercapacitors: Quantum Dots: Properties and Applications (Materials Research Forum LLC) 96, 169-190, 2021.
  • S. K. Ujjain, Preety Ahuja, R. Kanojia, Green Corrosion Inhibitor for Electronics: Theory and Applications of Green Corrosion Inhibitors (Materials Research Forum LLC) 86, 204-232, 2021.
  • 2021 S. K. Ujjain, Preety Ahuja, R. Kanojia, Electrochemical Studies of Green Corrosion Inhibitors Theory and Applications of Green Corrosion Inhibitors (Materials Research Forum LLC) 86, 91-126, 2021.
  • 2020 Preety Ahuja, S. K. Ujjain, Graphene-Based Materials for Flexible Supercapacitors Self-standing Substrates (Springer), 297-326, 2020.

Selected Publications

  • P. Ahuja, Sanjeev Kumar Ujjain*, R. Kukobat, K. Urita, I. Moriguchi, A. Furuse, Y. Hattori, K. Fujimoto, G. Rao, X. Ge, T. Wright, K. Kaneko, Air-permeable redox mediated transcutaneous CO2 sensor, Chemical Engineering Journal, 457, 141260, 2023.
  • S. Sharma, M. Sharma, N. Dheer, Sanjeev Kumar Ujjain, P. Ahuja, G. Singh, R. Kanojia, A Novel Leaf Extract of Sorghum Vulgare as an Eco-friendly Corrosion Inhibitor for Mild Steel Corrosion in 0.5 M H2SO4, Portugaliae Electrochimica Acta 41, 273-287, 2023.
  • H.T. Das, S. Dutta, T.E. Balaji, N. Das, P. Das, N. Dheer, R. Kanojia, P. Ahuja, Sanjeev Kumar Ujjain*, Recent Trends in Carbon Nanotube Electrodes for Flexible Supercapacitors: A Review of Smart Energy Storage Device Assembly and Performance. Chemosensors 10, 223, 2022.
  • P. Ahuja, Sanjeev Kumar Ujjain, Biodegradable Elastomer, Biodegradable Materials and Their Applications (Publisher John Wiley & Sons, Inc.), pp. 335-355, 2022.
  • S. K. Ujjain, A. Bagusetty, Y.Matsuda, H. Tanaka, Preety Ahuja, Katsumi Kaneko et al. Adsorption separation of heavier isotope gases in subnanometer carbon pores. Nature Communications 12, 546, 2021.
  • Preety Ahuja, S. K. Ujjain, R. Kanojia, P. Attri, Transition Metal Oxides and Their Composites for Photocatalytic Dye Degradation, J. Compos. Sci. 5 (3), 82, 2021.
  • Preety Ahuja, S. K. Ujjain, K. Urita, Katsumi Kaneko et al. Chemically and mechanically robust SWCNT based strain sensor with monotonous piezoresistive response for infrastructure monitoring, Chem. Engi. J. 388, 124174, 2020.
  • Preety Ahuja, S. Akiyama, S. K. Ujjain, D. Tomanek, Katsumi Kaneko et al. Water-resilient carbon nanotube based strain sensor for monitoring structural integrity, J. Mater. Chem. A 7, 19996, 2019.
  • S. K. Ujjain, R. Bhatia, Preety Ahuja, Aziridine-functionalized graphene: Effect of aromaticity for aryl functional groups on enhanced power conversion efficiency of organic photovoltaic cells, J. Saudi Chem. Soc. 23, 655, 2019.
  • 2018 Preety Ahuja, S. K. Ujjain, I. Arora, Mohd. Samim, Hierarchically Grown NiO-Decorated Polyaniline-Reduced Graphene Oxide Composite for Ultrafast Sunlight-Driven Photocatalysis, ACS Omega 3, 7846, 2018.
  • Preety Ahuja, S. K. Ujjain, R. Kanojia. Electrochemical behaviour of manganese & ruthenium mixed oxide@ reduced graphene oxide nanoribbon composite in symmetric and asymmetric supercapacitor, Appl. Surf. Sci. 427, 102-111, 2018.
  • Preety Ahuja, S. K. Ujjain, R. Kanojia. MnOx/C Nanocomposite: An Insight on High- Performance Supercapacitor and Non-Enzymatic Hydrogen Peroxide Detection, Appl. Surf. Sci. 404, 197-205, 2017.
  • S. K.Ujjain, Preety Ahuja, R. Bhatia, P. Attri, Printable multi-walled carbon nanotubes thin film for high performance all solid state flexible supercapacitors, Mater. Res. Bull. 83, 167-171, 2016.
  • S. K. Ujjain, Preety Ahuja, R. K. Sharma, Facile preparation of graphene nanoribbon/cobalt coordination polymer nanohybrid for non-enzymatic H2O2 sensing by dual transduction: electrochemical and fluorescence, J. Mater. Chem. B 3 (38), 7614-7622, 2015.
  • Preety Ahuja, R. K. Sharma, G. Singh. Solid State, high performance Supercapacitor using graphene nanoribbons embedded with zinc manganite. J. Mater Chem A, 3, 4931-4937, 2015.
  • S. K. Ujjain, Preety Ahuja, R. K. Sharma, Graphene nanoribbon wrapped cobalt manganite nanocubes for high performance all-solid-state flexible supercapacitors, J. Mater. Chem. A 3 (18), 9925, 2015.
  • S. K. Ujjain, R. Bhatia, Preety Ahuja, P. Attri, Highly conductive aromatic functionalized multi-walled carbon nanotube for inkjet printable high performance supercapacitor electrodes, PLoS One 10 (7), e0131475, 2015.
  • S. K. Ujjain, Preety Ahuja, R. Bhatia, M. Sharma, R. K. Sharma, G. Singh, Cobalt Dithiocarbamate Coordination Polymeric Nanoparticles: Morphology Dependent Magnetic and Antimicrobial Properties, J. Nanosci. Nanotechnol. 15, 9396-9406, 2015.
  • S. K. Ujjain, Preety Ahuja, R. K. Sharma, G. Singh, Synthesis, Electronic and Optical Properties of Cobalt(II) Dithiocarbamate Fluorescent Nanowires for Optoelectronic Devices, Int. J. Chemistry 7 (1), 69-82, 2015.
  • Preety Ahuja, S. K. Ujjain, R. K. Sharma, G. Singh, Enhanced supercapacitor performance by incorporating nickel in manganese oxide, RSC Advances 4 (100), 57192-57199, 2014.
  • Preety Ahuja, V. Sahu, S. K. Ujjain, R. K. Sharma, G. Singh, Performance evaluation of Asymmetric Supercapacitor based on Cobalt manganite modified graphene nanoribbons, Electrochim. Acta 146, 429, 2014.
  • V. Sahu, S. Shekhar, Preety Ahuja, G. Gupta, R. K. Sharma, Gurmeet Singh. Synthesis of hydrophilic carbon black; role of hydrophilicity in maintaining the hydration level and protonic conduction. RSC Advances, 3, 3917-3924, 2013.