Biography

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


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