Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Shib Shankar Singha"'
Spectral characteristics upon harvesting plasmonic hot electrons at the Ag/ZnO heteromicrostructures
Autor:
Dewan S. Rahman, Sudip Kumar Pal, Sujit Kumar Ghosh, Susmita Kundu, Soumen Basu, Shib Shankar Singha
Publikováno v:
Materials Advances. 1:2897-2907
Silver/zinc oxide heterostructures have been adopted to investigate the spectral properties that are of paramount importance to demonstrate the feasibility of band gap engineering upon injection of hot electrons in the ensuing microstructural archite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::845a09bbfdfbf29c4b6ef90c7af30204
https://doi.org/10.1039/d0ma00362j
https://doi.org/10.1039/d0ma00362j
Autor:
Achintya Singha, S. Majumder, Abhijit Roy, Shib Shankar Singha, Biswarup Satpati, Sangam Banerjee
Publikováno v:
ACS Applied Nano Materials. 2:2503-2514
Herein, we report a method to produce surface-enhanced Raman scattering (SERS)-active and excellent nonenzymatic glucose and an ascorbic acid (AA)-sensing substrate by an electroless deposition technique. Palladium (Pd) nanoparticles were deposited o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aebf537ad1e4996030a45f491dae8f6e
https://doi.org/10.1021/acsanm.9b00420
https://doi.org/10.1021/acsanm.9b00420
Autor:
Achintya Singha, Arindam Ghosh, Shib Shankar Singha, Sreemanta Mitra, Divya Srivastava, Maarit Karppinen, S. Dutta, Biswarup Satpati
Publikováno v:
npj 2D Materials and Applications, Vol 4, Iss 1, Pp 1-7 (2020)
We discuss the effect of the in-plane electric field on the Raman spectroscopy for few-layered MoS2. The characteristic Raman modes of MoS2 show gradual red shift, while the intensity increases by 45–50% as the electric field is increased, showing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a450a08a2228664f6950ea88b76c8cc0
https://doi.org/10.1038/s41699-020-0138-y
https://doi.org/10.1038/s41699-020-0138-y
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 367:200-211
Biological and environment safety concerns due to employment of metal nanoparticles (NPs) in various sectors have directed the focus of researchers on the biogenic route of nanosynthesis. Here we report a simple and environment friendly approach for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3c920f892a61565301a5bbcd741b05c
https://doi.org/10.1016/j.jphotochem.2018.08.026
https://doi.org/10.1016/j.jphotochem.2018.08.026
Au nanoparticles functionalized 3D-MoS2 nanoflower: An efficient SERS matrix for biomolecule sensing
Autor:
Shib Shankar Singha, Suchanda Mondal, Biswarup Satpati, Tara Shankar Bhattacharya, Achintya Singha, Kaustuv Das, Kamalika Sen, Laboni Das
Publikováno v:
Biosensors and Bioelectronics. 119:10-17
Fabrication of Molybdenum disulfide (MoS2) nanostructures and surface functionalization with noble metal nano particles is an emerging field of research as it has potential applications in electronic devices and chemical sensing. Here we report appli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c83a3a4384b3d9f2712893769bc5739
https://doi.org/10.1016/j.bios.2018.07.061
https://doi.org/10.1016/j.bios.2018.07.061
Autor:
Tara Shankar Bhattacharya, Prasanna Kumar Mondal, Achintya Singha, Dipanjan Nandi, Shib Shankar Singha
Publikováno v:
Journal of Alloys and Compounds. 723:722-728
Interaction of two-dimensional (2D) transition metal dichalcogenides (TMDs) with noble metal nanoparticles (NPs) is of great interest from the perspective of fundamental science, as it develops an excellent platform to study plasmon-exciton interacti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38401976282a87d76ec099a5350f409e
https://doi.org/10.1016/j.jallcom.2017.06.245
https://doi.org/10.1016/j.jallcom.2017.06.245
Publikováno v:
Journal of Alloys and Compounds. 703:26-33
Activation of shallow acceptor state has been observed in ion irradiated and subsequently air annealed polycrystalline ZnO material. Low temperature photoluminescence (PL) spectrum of the sample exhibits clear signature of acceptor bound exciton (ABX
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a725f6c8f1a15b1f7819e0f21327022f
https://doi.org/10.1016/j.jallcom.2017.01.331
https://doi.org/10.1016/j.jallcom.2017.01.331
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 176:67-78
A simple room temperature synthesis method of Ni, Cu and Zn sulfide nanoparticles (NPs) in aqueous medium is reported here. The NPs stabilized in aqueous medium by the citrate ions were characterized by UV–vis, ζ potentials, TEM and Raman spectros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::92fe6b39643c5063d8fe4e8862debb1f
https://doi.org/10.1016/j.saa.2017.01.005
https://doi.org/10.1016/j.saa.2017.01.005
Autor:
Tara Shankar Bhattacharya, Achintya Singha, Sreemanta Mitra, Shib Shankar Singha, Prasanna Kumar Mondal
Publikováno v:
Physical Review B. 100
Recently, considerable attention has been paid to tune the emission using hybrid systems composed of layered transition-metal dichalcogenides and metal nanoparticles (NPs) since metal NPs have the ability to enhance and localize the incident electrom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c70365753dccfe951ac9970c9a8a1d4
https://doi.org/10.1103/physrevb.100.235438
https://doi.org/10.1103/physrevb.100.235438
Autor:
Shib Shankar Singha, Arpan Kumar Nayak, Rishika Chakraborty, Chhavi Verma, Pradip K. Maji, Mukul Pradhan
Publikováno v:
Energy Technology. 9:2000734
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f4612cd6b934ed2fca4b6d7eb9fccde
https://doi.org/10.1002/ente.202000734
https://doi.org/10.1002/ente.202000734