Recent Publications from our group

1. Synthesis and ferromagnetic properties of lightly doped nanocrystalline Zn1- xCoxO. S. Deka, R. Pasricha & P. A. Joy Chemistry of Materials, 2004, 16, p 1168-1169.

2. Nanocrystalline Zinc ferrite with high magnetization at room temperature, S. Deka & P. A. Joy MSI Bulletin 2004, 27, p 23-25

3. Electronic structure and ferromagnetism of polycrystalline Zn1-xCoxO (0 < x < 0.15). S. Deka & P. A. Joy, Solid State Communications (TOP 25 Hottest and most downloaded article within the journal) 2005, 134, p 665-669.

4. Direct observation of Ni metal impurities in lightly doped ferromagnetic polycrystalline (ZnNi)O. S. Deka & P. A. Joy, Chemistry of Materials, 2005, 17, p 6507-6510.

5. Size-dependent magnetic properties of nanocrystalline yttrium iron garnet powders, M. Rajendran, S. Deka, P. A. Joy and A. K. Bhattacharya, Journal of Magnetism & Magnetic Materials 2006, 301, p 212-219.

6. Characterization of nanosized NiZn ferrite synthesized by an auto-combustion method, S. Deka & P. A. Joy, Materials Chemistry & Physics, 2006, 100, p 98-101.

7. Experimental comparison of the structural, magnetic, electronic, and optical properties of ferromagnetic and paramagnetic polycrystalline Zn1-xCoxO (x = 0, 0.05, 0.1). S. Deka, R. Pasricha & P. A. Joy, Physical Review B 2006, 74, p 033201.

8. Ferromagnetism induced by hydrogen in polycrystalline nonmagnetic Zn0.95Co0.05O, S. Deka & P. A. Joy, Applied Physics Letter 2006, 89, p 032508.

9. Synthesis and magnetic properties of Mn doped ZnO nanowires, S. Deka & P. A. Joy, Solid State Communications 2007, 142, p 190-194.

10. Enhanced permeability and dielectric constant of NiZn ferrite synthesized in nanocrystalline form by a combustion method, S. Deka & P. A. Joy, Journal of the American Ceramic Society 2007, 90[5], p1494-1499.

11. Enhancement of the phase transformation temperature of g-Fe2O3 by Zn2+ doping, S. Deka & P. A. Joy Journal of Materials Chemistry 2007, 17, p 453-456.

12. Magnetic and Mossbauer spectroscopic studies of NiZn ferrite nanoparticles synthesized by a combustion method, V. Sreeja, S. Vijayanand, S. Deka, P. A. Joy, Hyperfine Interact 2008, 189, p 99-107.

13. Superparamagnetic Nanocrystalline ZnFe2O4 with a Very High Curie Temperature, S. Deka & P. A. Joy, Journal of Nanoscience and Nanotechnology 2008, 8, p 3955-3958.

14. Single step synthesis and properties of M/MFe2O4 and PVDF/M/MFe2O4 (M = Co, Ni) magnetic nanocomposites, S. Deka & P. A. Joy Science of Advanced Materials 2009, 1, 262-268

15. CdSe/CdS/ZnS Double Shell Nanorods with High Photoluminescence Efficiency and Their Exploitation As Biolabeling Probes, S. Deka, A. Quarta, M. G. Lupo, A. Falqui, S. Boninelli, G. Lanzani G. Morello, M. De Giorgi, C. Giannini, R. Cingolani, T. Pellegrino, L. Manna, Journal of the American Chemical Society 2009, 131 (8), p 2948-2958.

16. Bio-conjugation of rod-shaped fluorescent nanocrystals for efficient targeted cell labelling, A. Quarta, A. Ragusa, S. Deka, C. Tortiglione, A. Tino. R. Cingolani, T. Pellegrino, Langmuir 2009, 25 (21), p 12614-12622.

17. Fluorescent Asymmetrically Cobalt-Tipped CdSe@CdS Core@Shell Nanorod Heterostructures Exhibiting Room-Temperature Ferromagnetic Behavior, S. Deka*, A. Falqui, G. Bertoni C. Sangregorio, G. Morello, M. De Giorgi, C. Giannini, R. Cingolani, L. Manna and P. D. Cozzoli, Journal of the American Chemical Society, 2009, 131 (35), p 12817-12828.

18. Phosphine-Free Synthesis of p-Type Copper(I) Selenide Nanocrystals in Hot Coordinating Solvents, S. Deka, A. Genovese, Y. Zhang, K. Miszta, G. Bertoni, R. Krahne, C. Giannini, L.Manna, Journal of the American Chemical Society 2010, 132 (26), p 8912-8914.

19. Octapod-shaped colloidal nanocrystals of cadmium chalcogenides via one-pot cation exchange and seeded growth, S. Deka, K. Miszta, D. Dorfs, A. Genovese, G. Bertoni, L. Manna. Nano Lett. 2010, 10 (9), p 3770-3776.

20. Transition metal ion-induced anisotropic architectures using 4,4’-dicarboxy-2,2’-bipyridyl-silver nanopetals N. Vilvamani, Sasanka Deka, T. Gupta, Adv. Mater. Lett. 2013, 4(4), p 252-260.

21. Introducing Nanocrystalline CeO2 as Heterogeneous Environmental Friendly Catalyst for the Aerobic Oxidation of Para-xylene to Terephthalic Acid in Water Kalyanjyoti Deori, Dinesh Gupta, Basudeb Saha, Satish Awasthi, Sasanka Deka*, J. Mater. Chem. A 2013, 1, p7091-7099.

22. Synthesis, Characterization and Optical Properties of Novel Hierarchical Flower Like Pyrite FeS2 Particles for Low Cost Photovoltaics, Priya Kush, N. C. Mehra, and Sasanka Deka*, Sci. Adv. Mater., 2013, 5(7) 588-595.

23. Morphology oriented surfactant dependent CoO and reaction time dependent Co3O4 nanocrystals from single synthesis method and their optical and magnetic properties Kalyanjyoti Deori and Sasanka Deka* CrystEngComm, 2013, 15, 8465-8474

24. Development and Properties of Surfactant-Free Water-Dispersible Cu2ZnSnS4 Nanocrystals: A Material for Low-Cost Photovoltaics Priya Kush, Sanjeev Kumar Ujjain, Navin Chand Mehra, Pika Jha, Raj Kishore Sharma, Sasanka Deka*, ChemPhysChem, 2013, 14, 2793-2799.

25. Morphology Controlled Synthesis of Nanoporous Co3O4 Nanostructures and Their Charge Storage Characteristics in Supercapacitors, Kalyanjyoti Deori, Sanjeev Kumar Ujjain, Raj Kishore Sharma, and Sasanka Deka*, ACS Appl. Mater. Interfaces, 2013, 5, 10665–10672.

26. New Synthesis of Two-Dimensional CdSe/CdS core@shell Dot-in-Hexagonal Platelet Nanoheterostructures with Interesting Optical Properties Himani Chauhan, Yogesh Kumar and Sasanka Deka*, Nanoscale, 2014, 6, 10347-10354.

27. Photoelectrical properties of surfactant-free kesterite Cu2ZnSnSe4 hydrophilic nanocrystal ink and the stability in polar solvents Priya Kush, Sasanka Deka*. J. Nanopart. Res.  2014, 16:2600.

28. Design of 3-Dimensionally Self-Assembled CeO2 Nanocube as a Breakthrough Catalyst for Efficient Alkylarene Oxidation in Water Kalyanjyoti Deori, Dinesh Gupta, Basudeb Saha, Satish Sasanka Deka*. ACS Catalysis 2014, 4, 3169–3179.

29. Multiply twinned AgNi alloy nanoparticles as highly active catalyst for multiple reduction and degradation reactions Mukesh Kumar and Sasanka Deka*, ACS Appl. Mater. Interfaces, 2014, 6, 1607116081.

30. Preferential growth of Au on CdSe quantum dots using Langmuir–Blodgett technique, Subhasis Das, Biswarup Satpati, Himani Chauhan,   Sasanka Deka, Chinnakonda S. Gopinath and Tanushree Bala, RSC Advances, 2014, 4, 64535-64541.

31. (100) surface exposed CeO2 Nanocube as Efficient Heterogeneous Catalyst in Tandem Oxidation of Benzyl Alcohol, para-Chlorobenzyl Alcohol and Toluene to Corresponding Aldehydes Selectively, Kalyanjyoti Deori, Chinmoy Kalita, Deka Sasanka, J. Mater. Chem. A , Accepted Manuscript, 2015, DOI: 10.1039/C4TA06547F

32. Synthesis of surfactant free SnS nanorods by solvothermal route with better electrochemical properties towards supercapacitor application, Himani Chauhan,  Manoj K Singh, S.A. Hashmi and Sasanka Deka, RSC Advances, Accepted Manuscript, 2015 DOI: 10.1039/C4RA15563G

33. Efficient Hydrogen/Oxygen Evolution and Photocatalytic Dye Degradation and Reduction of Aqueous Cr(VI) by Surfactant Free Hydrophilic Cu2ZnSnS4 Nanoparticles, Priya Kush, kalyanjyoti Deori, Anup Kumar and Sasanka Deka, J. Mater. Chem. A , Accepted Manuscript, 2015, DOI: 10.1039/C4TA06551D

34. Seeding of Au on CdSe/CdS nanoplates using Langmuir–Blodgett technique, Subhasis Das, Biswarup Satpati, Himani Chauhan, Sasanka Deka, Manoj Kumar Ghosalya, Chinnakonda S. Gopinath and Tanushree Bala, RSC Adv., 2016,6, 14658-14665.

35. Exploration of magnetically separable Ag@AgxNiy core/graded-alloy-shell nanostructures, Mukesh Kumar,a   Kiran Soni,a   Biswarup Satpati,b   Chinnakonda S. Gopinathc and   Sasanka Deka, Chem. Commun., 2016, Advance Article. DOI: 10.1039/C6CC04087J

36. Surfactant directed Ag 1 x Ni x alloy nanoparticle catalysed synthesis of aromatic azo derivatives from aromatic amines, M Kumar, K Soni, GD Yadav, S Singh, S Deka. Appl. Cat. A: General, 2016, 525, 50-58.

37. Tandem Photocatalysis of Graphene-Stacked SnS2 Nanodiscs and Nanosheets with Efficient Carrier Separation, H Chauhan, K Soni, M Kumar, S Deka. ACS Omega, 2016, 1 (1), pp 127–137.

38. Novel mitochondria targeted copper(II) complexes of ferrocenyl terpyridine and anticancer active 8-hydroxyquinolines showing remarkable cytotoxicity, DNA and protein binding affinity, Banashree Deka,   Tukki Sarkar,   Samya Banerjee,   Arun Kumar,   Sanjoy Mukherjee,   Sasanka Deka,   Kandarpa K. Saikia and   Akhtar Hussain, Dalton Trans., 2017, Advance Article

39. Photoinduced ultrafast charge separation in colloidal 2-dimensional CdSe/CdS-Au hybrid nanoplatelets and corresponding application in photocatalysis, Himani Chauhan,   Yogesh Kumar,   Jayanta Dana,   Biswarup Satpati,   Hirendra N. Ghosh and   Sasanka Deka, Nanoscale, 2016,8, 15802-15812

40. Development of SnS2/RGO nanosheet composite for cost-effective aqueous hybrid supercapacitors,  Himani Chauhan, Manoj K Singh, Praveen Kumar, Safir Ahmad Hashmi and Sasanka Deka, Nanotechnology, 2016 Volume 28, Number 2

41. T. Das, H. Chauhan, Sasanka Deka, S. Chaudhary, R. Boruah, B. K. Saikia “Promising carbon nanosheet-based supercapacitor electrode materials from low-grade coals” Microporous and Mesoporous Materials, 2017, DOI: https://doi.org/10.1016/j.micromeso.2017.06.030

42. M. Chauhan, K. P. Reddy, C. S. Gopinath, and Sasanka Deka “Copper Cobalt Sulphide Nanosheets Realizing Promising Electrocatalytic Oxygen Evolution Reaction” ACS Catal., Just Accepted Manuscript, DOI: 10.1021/acscatal.7b01831, Publication Date (Web): 20 Jul 2017

 

Patents:

1. A process for producing aromatic carboxylic acids by oxidation of methyl arenes Indian Patent application No. 1346/DEL/2013 dated 7th May 2013, Saha, B.; Deka, S.; Gupta, D.; Deori, K.

2. Octapod shaped nanocrystals and use thereof, U.S. Patent Application no. 13/196123. Case No: 4161-65. (02-08-2011) L. Manna, D. Dorfs, K Miszta, S. Deka, A. Genovese, G. Bertoni, R. Brescia, S. Marras, Y. Zhang, R. Krahne, R. Cingolani.

Journal review articles and Books/Book chapter

1. Physical properties of elongated inorganic nanoparticles, R. Krahne, G. Morello, A. Figuerola, C. George, S. Deka, L. Manna, Physics Reports 2011, 501 (3-5), p 75-221.

2. Metal nanocrystals and their applications in biomedical systems, S. S. Shankar and S. Deka*, Science of Advanced Materials, 2011, 3, p 169-195.

3. Hybrid Nanocrystals: Synthesis, Characterization, Optical and Magnetic properties, Encyclopedia of Semiconductor Nanotechnology, Ed. U. Ahmad, 2011 (in press) American Scientific Publishers, S. Deka, A. Figuerola, D. Dorfs, L. Manna.

Books/Monographs (Authored)

1. Doped Transition Metal Oxide and Ferrite Nanocrystals. Lap Lambert Academic Publishing GmbH & Co. KG, Germany, 2011, ISBN 978-3-8443-2306-1.

2. Physical Properties of Nanorods. Springer publications, NanoScience and Technology series, ISBN 978-3-642-36430-3

Krahne, R., Manna, L., Morello, G., Figuerola, A., George, C., Deka, S. 2013.

Publications in International Conferences (Refereed)

1. Studies on ZnO based diluted magnetic semiconductors, 2008, p 373-378, TMS Annual Meeting 3, New Orleans, USA, S. Deka and P. A. Joy

2. High magnetic aspects of nanosized NiZn ferrite powders synthesized by an auto combustion method. 2004, p149-154, Proc. of the 9th International Conference on Ferrites (ICF-9), San Francisco, USA, S. Deka, S. K. Date & P. A. Joy

3. Synthesis and magnetic properties of polycrystalline Co-doped ZnO. 2004, p 913-918, Proc. of the 9th International Conference on Ferrites (ICF-9), San Francisco, USA, S. Deka, S. K. Date & P. A. Joy

Welcome to the NanoChemistry Laboratory

Department of Chemistry and NSNT, DU