Zobrazeno 1 - 10 of 72 pro vyhledávání: '"Umesh Kadhane"'
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Production of PAH cations with narrow internal energy distribution using single nanosecond pulsed laser
Autor: Arya M. Nair, M. V. Vinitha, Umesh Kadhane
Publikováno v: The European Physical Journal D. 74
The internal energy dynamics of three examples of PAHs are probed using a high resolution energy time of flight spectrometer. The measured H-loss rates are converted to internal energy values for a range of UV photon wavelengths. Multi step multi pho
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6fa52997ece18148e47efdb1c6ad5a89
https://doi.org/10.1140/epjd/e2020-10340-0
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4
An inherent instability study using ab initio computational methods and experimental validation of Pb(SCN)2 based perovskites for solar cell applications
Autor: Beena Rai, Mithun Chennamkulam Ajith, Jinesh Kochupurackal B, Umesh Kadhane, Jayita Dutta, Soumya Dutta
Publikováno v: Scientific Reports, Vol 10, Iss 1, Pp 1-12 (2020)
Scientific Reports
Perovskite materials with ABX3 chemistries are promising candidates for photovoltaic applications, owing to their suitable optoelectronic properties. However, they are highly hydrophilic and unstable in nature, limiting the commercialization of perov
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d28426e5a2550dd70d7af973de4f4d2
https://doi.org/10.1038/s41598-020-72210-4
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5
Isomerization and dehydrogenation of highly vibrationally excited azulene+ produced via S2 vibrational manifold
Autor: Valérie Blanchet, Umesh Kadhane, Arya M. Nair, M. V. Vinitha, Abhishek S. Kumar
Publikováno v: Chemical Physics Letters
Chemical Physics Letters, Elsevier, 2020, 745, pp.137250. ⟨10.1016/j.cplett.2020.137250⟩
Chemical Physics Letters, 2020, 745, pp.137250. ⟨10.1016/j.cplett.2020.137250⟩
International audience; High resolution energy-ToF correlation spectrometer and a nanosecond laser is employed to extract Hloss rate in hot azulene cations in UV region. Correlation between the photon wavelength and H-loss rate is obtained for 3-phot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a098164b284acb192b1491e95ca53a9
https://hal-cnrs.archives-ouvertes.fr/hal-03005105/document
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6
Understanding dehydrogenation sequence in fluorene+ by multiphoton ionisation-excitation processes
Autor: Arya M. Nair, M. V. Vinitha, Karthick Ramanathan, Umesh Kadhane
Publikováno v: International Journal of Mass Spectrometry. 471:116704
The dehydrogenation sequence in fluorene+ up to a loss of 3 hydrogen (H) atoms, is explored using a kinetic energy (KE) correlated time of flight mass spectrometer (ToFMS). Four dehydrogenation reactions are identified for the internal energy ranging
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::420594252bfb04cc976bc708a39954cb
https://doi.org/10.1016/j.ijms.2021.116704
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7
Relative stability of naphthalene, quinoline and isoquinoline under high energy electron impact
Autor: P. K. Najeeb, Umesh Kadhane
Publikováno v: International Journal of Mass Spectrometry. 414:23-30
Stability of naphthalene and two of its nitrogen containing derivatives namely, quinoline and isoquinoline are investigated under high energy electron impact. Astro-biologically important statistical dissociation channels are probed using the delayed
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a95e5e57f06f567d266efde1ea28d1c9
https://doi.org/10.1016/j.ijms.2016.12.011
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8
Plasmon assisted isomerization in naphthalene and azulene
Autor: Sarita Vig, P. K. Najeeb, Umesh Kadhane, M. V. Vinitha, A. Kala, Pragya Bhatt, C. P. Safvan
Publikováno v: Journal of Physics: Conference Series. 1412:152063
Synopsis Plasmon excitation in polycyclic aromatic hydrocarbons is a dominant excitation mode in fast charged particle collisions. Excitations of this nature lead to several secondary processes like ejection of neutral atomic or molecular fragments.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7be7dd423969ae748c128fda55bdf34e
https://doi.org/10.1088/1742-6596/1412/15/152063
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9
Statistical process in nitrogen containing naphthalene derivatives in collision with fast electrons and protons
Autor: Pragya Bhatt, Umesh Kadhane, V Vinitha, A. Kala, P. K. Najeeb, C. P. Safvan, Sarita Vig
Publikováno v: Journal of Physics: Conference Series. 1412:132041
Synopsis The effect of nitrogen substitution and isomerization in naphthalene under swift charged particle collision is investigated. The ratios of single ionization to capture cross-section are measured for the case of naphthalene and two of its nit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb2defde89d26e1392e7c8d8c4c05520
https://doi.org/10.1088/1742-6596/1412/13/132041
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10
Plasmon excitation and subsequent isomerization dynamics in naphthalene and azulene under fast proton interaction
Autor: P. K. Najeeb, C. P. Safvan, Pragya Bhatt, Umesh Kadhane, A. Kala, Sarita Vig, M. V. Vinitha
Publikováno v: The Journal of chemical physics. 149(19)
The interaction of fast protons (velocity between 1.41 and 2.4 a.u.) with naphthalene and azulene is investigated as a model of an ion-polycyclic aromatic hydrocarbon interaction system. Production of various intact and fragment ions in coincidence w
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d9b9ab1229f774507114a1b295db1ba
https://pubmed.ncbi.nlm.nih.gov/30466269
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