Dr. Ajaya Kumar Singh
Department of Chemistry, Govt. V. Y. T. PG. Autonomous College, India
Professor
Email: ajayaksingh_au@yahoo.co.in
Qualifications
2002 Ph.D., Chemistry, University of Allahabad, Allahabad
1988 M.Sc., Chemistry, Poorvanchal University, Jaunpur
1986 B.Sc., Physics, Chemistry, Maths, Gorakhpur University,
Gorakhpur
Publications (selected)
1. S. Lilhare, S.B.. Mathew, Ajaya
K. Singh, Sonia A.C., Carabineiro. Calcium alginate beads with entrapped iron
oxide magnetic nanoparticles functionalized with methionine—a versatile
adsorbent for arsenic removal, Nanomaterials11(2021)13452. Ayesha Hashmi, Bhawana Jain, Jai
Singh, Mariya Aleksandrova, Ajaya Kumar Singh. Facile Synthesis of
Bismuth-Based Perovskite and Solvent Engineering for Improving the
Crystallinity of Lead-Free Perovskite Material: A Microstructural Exploration
3. Mariya Aleksandrova, G. D.
Kolev, R. Tomov, Ajaya Kumar Singh, K. C. Mohite, G.H. Dobrikov. Role of the
CdS/ZnS core/shell quantum dots in the thin film lead-free perovskite solar Cells,
“Bulgarian Chemical Communication”
4. Mariya Aleksandrova, Tatyana Ivanova, Velichka
Strijkova, Tsvetozar Tsanev, Ajaya Kumar Singh, Jai Singh, Kostadinka Gesheva. Ga-doped
ZnO coating – a suitable tool for tuning the electrode properties in the CdS/ZnS
core-shell quantum dots based solar cells, “Crystals 2021,11”
5. Mariya Aleksandrova, Tatyana Ivanova,
Kostadinka Gesheva, Velichka Strijkova, Tsvetozar Tsanev, Jai Singh, Ajaya
Kumar Singh. Fabrication of Transparent ITO/Ga-Doped ZnO Coating as a Front
Panel Electrode toward Efficient Thin Film Solar Cells, “Mater. Proc. 2 (2020)”
6. Mariya Aleksandrova, Tsvetozar
Tsanev, Tatyana Ivanova, Kostadinka Gesheva, Velichka Strijkova, Jai Singh,
Ajaya Kumar Singh. Fabrication of Transparent ITO/Ga-Doped ZnO Coating as a
Front Panel Electrode toward Efficient Thin Film Solar Cells, “Conference
Proceedings Paper, The 2nd Coatings and Interfaces Web Conference, 2020”
7. Mariya Aleksandrova, G.D.
Kolev, R. Tomov, Ajaya Kumar Singh, K.C. Mohite, G.H. Dobrikov. Role of the
absorber layer in the thin film solar cells with perovskites, Alternative Energy
Sources, Materials & Technologies, 2, (2020) 87 – 88. Alternative
Materials, Energy Materials Science
8. Vanya Nayak, Kshitij RB Singh,
Ajaya Kumar Singh, and Ravindra Pratap Singh. Potentialities of Selenium
Nanoparticles in Biomedical Sciences, New Journal of Chemistry 45(2021)
2849-2878
9. Sushma Yadav, Anupama Asthana,
Ajaya Kumar Singh *, Rupa Chakraborty, S. Sree Vidya, Ambrish Singh, Sonia A.
C. Carabineiro. Methionine-functionalized graphene oxide/ sodium alginate
bio-polymer nanocomposite hydrogel beads: Synthesis, isotherm and kinetic
studies for an adsorptive removal of fluoroquinolone antibiotics, Nanomaterials
(In Press)
10. S. Yadav, A. Asthana, A.K.
Singh, R. Chakraborty, S. Sree Vidya, M.A.B.H. Susan, S.A.C. Carabineiro. Adsorption
of cationic dyes, drugs and metal from aqueous solutions using a polymer
composite of magnetic/ β-Cyclodextrin/ activated charcoal/ Na Alginate:
Isotherm, kinetics and regeneration studies, J. Hazard. Mater. 409 (2021).
11. Mariya Aleksandrova, Tatyana
Ivanova, Velichka Strijkova,Tsvetozar Tsanev, Ajaya Kumar Singh, Jai Singh,
Kostadinka Gesheva. Ga-Doped ZnO Coating—A Suitable Tool for Tuning the
Electrode Properties in the Solar Cells with CdS/ZnS Core-Shell Quantum
Dots,Crystals 11(2021)137
12. Surbhi Lilhare, Sunitha B.
Mathew, Ajaya Kumar Singh and Sreevidya Sankarasubramanian. A simple
spectrophotometric study of adsorption of Hg(II) on glycine functionalised
magnetic nanoparticle entrapped alginate beads, Int. J. Environ. Anal. Chem. (In press (2021)
13. Surbhi Lilhare, Sunitha B.
Mathew, Ajaya K. Singh, Sónia A.C. Carabineiro. Selective Spectrophotometric
Method for the Determination of Mercury(II) in Water Samples, Anal. Chem.
Letter 10 (5) 2020, 654 – 666
14. Rupa Chakraborty, A. Asthana,
Ajaya Kumar Singh, Renu Verma, Sreevidya Sankarasubramanian, Sushma Yadav,
Sónia A.C. Carabineiro, Md. Abu Bin Hasan Susan. Chicken feathers derived
materials for the removal of chromium from aqueous solutions: Kinetics,
isotherms, thermodynamics and regeneration studies, “Journal of Dispersion
Science and Technology” (In press)
15. Ranjana Dewangan, Anupama
Asthana, A. K. Singh, Sónia A.C. Carabineiro. Synthesis, characterization and
antibacterial activity of a graphene oxide based NiO and starch composite
material, “Journal of Dispersion Science and Technology” (In press)
16. A. Hashmi, A. K. Singh, A. A.
P. Khan, A. M. Asiri. Novel and green reduction of graphene oxide by capsicum
annum:Its photocatalytic activity,
Journal of Natural Fibers doi.org/10.1080/15440478.2020.1819930(2020)
17. R. Dewangan, A. Asthana, Ajaya
Kumar Singh,, Sonia A. C. Carabineiro. Control of surface functionalization of
graphene-metal oxide polymer nanocomposites prepared by a hydrothermal method,
Polymer Bulletin” 2020. https://doi.org/10.1007/s00289-020-03342-w
18. G. P. Pandey, Ajaya Kumar
Singh,, L. Deshmukh, A. Asthana, M. Yoshida, S. Prasad. Micellar mediated novel
method for the determination of selenium in environmental samples using
chromogenic reagent, Analytical Methods 12(2020) 4327-4333
19. S. Ahmadi, A. Rahdar, C. A.
Igwegbe, G. Z. Kyzas, Ajaya Kumar Singh. Praseodymium-doped cadmium tungstate
(CdWO4) nanoparticles for dye degradation with sonocatalytic process,
Polyhedron 190(2020) 114792
20. R.Dewangan, Ayesha Hashmi,
Anupama Asthana, Ajaya K Singh, Md Abu Bin H Susan. Degradation of Methylene
Blue and Methyl Violet Using Graphene Oxide/NiO/β-Cyclodextrin Nanocomposites
as Photocatalyst" International Journal of Environmental Analytical
Chemistry”
Profile Details
https://www.scopus.com/authid/detail.uri?authorId=55487558500
https://scholar.google.co.in/citations?user=HjMc27oAAAAJ&hl=en
https://www.researchgate.net/profile/Ajaya-Singh