J
Jacob Johny
Researcher at Universidad Autónoma de Nuevo León
Publications - 20
Citations - 333
Jacob Johny is an academic researcher from Universidad Autónoma de Nuevo León. The author has contributed to research in topics: Nanoparticle & X-ray photoelectron spectroscopy. The author has an hindex of 9, co-authored 16 publications receiving 174 citations. Previous affiliations of Jacob Johny include University of Duisburg-Essen.
Papers
More filters
Journal ArticleDOI
Synthesis and characterization of black TiO2 nanoparticles by pulsed laser irradiation in liquid
V.A. Zuñiga-Ibarra,Sadasivan Shaji,Bindu Krishnan,Jacob Johny,Sreed Sharma Kanakkillam,David Avellaneda Avellaneda,J.A. Aguilar Martinez,J.A. Aguilar Martinez,T.K. Das Roy,N.A. Ramos-Delgado +9 more
TL;DR: In this paper, the structure, morphology and optical properties of modified TiO2 nanoparticles were examined by pulsed laser ablation in liquid (PLAL) using an Nd:YAG laser.
Journal ArticleDOI
Tuning the luminescence of nitrogen-doped graphene quantum dots synthesized by pulsed laser ablation in liquid and their use as a selective photoluminescence on–off–on probe for ascorbic acid detection
I.C. Novoa-de Leon,Jacob Johny,Sofia Vazquez-Rodriguez,Nora A. Garcia-Gomez,S. Carranza-Bernal,I. Mendivil,Sadasivan Shaji,Selene Sepulveda-Guzman +7 more
TL;DR: In this article, nitrogen-doped graphene quantum dots (N-GQDs) were synthesized by pulsed laser ablation in liquid using Nd:YAG laser (532-nm).
Journal ArticleDOI
Facile and fast synthesis of SnS2 nanoparticles by pulsed laser ablation in liquid
Jacob Johny,Selene Sepulveda-Guzman,Bindu Krishnan,David Avellaneda Avellaneda,Sadasivan Shaji +4 more
TL;DR: In this article, nanoparticles of tin disulfide (SnS2) were synthesized using pulsed laser ablation in liquid (PLAL) technique and the effects of different liquid media and ablation wavelengths on the morphology and optical properties of the nanoparticles were studied.
Journal ArticleDOI
SnS2 nanoparticles by liquid phase laser ablation: Effects of laser fluence, temperature and post irradiation on morphology and hydrogen evolution reaction
Jacob Johny,Selene Sepúlveda Guzmán,Bindu Krishnan,Josue Amilcar Aguilar Martinez,Josue Amilcar Aguilar Martinez,David Avellaneda Avellaneda,Sadasivan Shaji +6 more
TL;DR: In this article, the effect of liquid medium temperature and post irradiation on SnS2 nanoparticles were studied in dimethyl formamide and X-ray diffraction, Xray photoelectron spectroscopy and Raman analysis were used for further confirmation of the structure, elemental composition, chemical states and crystalline nature of the nanoparticles.
Journal ArticleDOI
Tin sulfide: Reduced graphene oxide nanocomposites for photovoltaic and electrochemical applications
Jacob Johny,Selene Sepulveda-Guzman,Bindu Krishnan,David Avellaneda Avellaneda,J.A. Aguilar Martinez,J.A. Aguilar Martinez,M.R. Anantharaman,Sadasivan Shaji +7 more
TL;DR: In this paper, thin films of tin sulfide (SnS) with graphene oxide (GO) and reduced graphene oxide were prepared by spray deposition of SnS nanocolloids mixed with Graphene oxide.