Current trends in materials Science, Mahatma Gandhi University, Kottayam, 2001
National Laser Symposium, Sree Chithira Thirunal Institute of Medical Sciences, Trivandrum, 2002.
National Laser Symposium, Indian Institute of Technology Kharagpur 2003
National Laser Symposium, BARC, Mumbai 2004
Photonics 2004 – Cochin University of Science & Technology (Oral Presentation)
ICOL 2005- IRDE Dehradun
National Laser Symposium, CAT, Indore 2006
Photonics 2006 , University of Hyderabad
National Conference on Advanced Materials Devices and Technologies, SV University, Tirupati
Photonics 2008, IIT Delhi
IWPSD 2009Delhi December 2009
NLS 09 BARC MUMBAI January2010
Papers Published:
P.I. Paulose, Gijo Jose, Vinoy Thomas N.V Unnikrishnan & M. K. Rudra Warrier, Spectroscopic studies of CaS (Sm) and CaS(Sm, Ce) phosphors Asian J. Spectrosc.2 (2001)69- 74
G.A.Kumar, Vinoy Thomas,Gijo Jose, N.V.Unnikrishnan V.P.N.Nampoori Energy transfer in Rh 6G:Rh B system in PMMA matrix under cw laser excitation J. Photochem. Photobio. A chemistry 153 (2002) 145 – 151 {Cited by 32}
P. I. Paulose, Gin Jose, Vinoy Thomas, Gijo Jose and N.V.Unnikrishnan, Spectroscopic studies of Cu2+ ions in sol-gel derived silica matrix, Bull. Mat. Sci. 25 (2002) 69- 74
{Cited by 33}
Vinoy Thomas, Gijo Jose, N V Unnikrishnan, and Gin Jose Structural evolution and fluorescence properties of Dy3+: Silica matrix Proc. SPIE Materials and Devices for Optical and Wireless Communications, Vol. 4905, (2002) 560-566,
Vinoy Thomas, Gin Jose, Gijo Jose, P I Paulose & NV Unniikrishnan Spectroscopic characterization of chromium in sol-gel derived silica Mat. Chem. Phys. 77 (2002) 826 – 830 {Cited by 14}
Gijo Jose, Gin Jose, Vinoy Thomas, Cyriac Joseph, M A Ittyachen and N V Unnikrishnan Fluorescence Enhancement from Eu3+ Ions in CdSe Nanocrystal Containing Silica Matrix Hosts Mater. Lett. 57, (2003) 1051 – 1055 {Cited by 28}
http://dx.doi.org/10.1016/S0167-577X(02)00923-0
Gin Jose, Vinoy Thomas, Gijo Jose, PI Paulose, NV Unniikrishnan Application of a modified Judd-Ofelt theory to Pr3+ doped phosphate glasses and the evaluation of radiative properties. J.Non Cryst. Solids 319 (2003) 89 - 94 {Cited by 9}
P.I. Paulose, Vinoy Thomas, Gijo Jose and N.V Unnikrishnan Sensitized Fluorescence of Mn2+: Ce3+ System in Phosphate Glass J Phys. Chem. Solids 64 (2003) 841 - 846 {Cited by 675}
Gijo Jose, Gin. Jose, Vinoy Thomas, Cyriac Joseph, M. A. Ittyachen, and N. V. Unnikrishnan Local structure around Eu3+ Ions in CdSe Nanocrystal Containing Silica Glass J.Fluor.14 (2004) 733 {Cited by 23}
http://www.springerlink.com/content/r4h6522t47762751/
Gin Jose, Vinoy Thomas, Gijo Jose, P.I. Paulose, Biju P R and N V Unnikrishnan Standard and modified Judd-Ofelt analysis of Pr3+ ions in phosphate and sol-gel silica glasses Phys. Chem. Glasses,45 (2004) 57-60
Anit Elizabeth, Gin Jose, Vinoy Thomas, Gijo Jose, Cyriac Joseph, M A Ittyachen and N V Unnikrishnan Studies on the growth and optical characterization of dysprosium gadolinium oxalate single crystals Cryst. Res. Technol. 39, 2, (2004) 105 – 110 {Cited by 29}
Gijo Jose, Vinoy Thomas, Toney T Fernandez, Amrutha K Adiyodi, Cyriac Joseph, M A Ittyachen and N V Unnikrishnan Radiative parameters of Eu3+ Ions in CdSe Nanocrystal Containing Silica Matrices Physica B 357 (2005) 270 - 276. {Cited by 12}
http://dx.doi.org/10.1016/j.physb.2004.11.075
Vinoy Thomas, Gijo Jose, Gin Jose & N V Unnikrishnan Spectroscopic characterization of dysprosium in sol-gel derived silica J. Sol-gel. Sci. Tech. 33, (2005) 269 – 274 {Cited by 5}
Vinoy Thomas, Anit Elizebeth, H. Thomas, Gijo Jose, N. V. Unnikrishnan, Cyriac Joseph and M. A. Ittyachen. Studies on the growth and optical characterization of Dysprosium praseodymium oxalate single crystals J. Optoelectr. Advan. Mater. 7, (2005), 2687 – 2692 {Cited by 17}
P. R. Biju, Gijo Jose, P. V. Jyothy, Vinoy Thomas and N. V. Unnikrishnan Upconversion Fluorescence in an Sm3+ doped Zinc Phosphate glassy matrix Journal Of Modern Optics,52 (2005) 2687 – 2694 {Cited by 4}
Gijo Jose, Toney T F, Amrutha K A, Vinoy Thomas, Cyriac Joseph, M. A. Ittyachen, and N. V. Unnikrishnan Synthesis and Characterisation of Eu3+/CdSe nanocrystal in Silica Glass. Mat. Chem & Phys. 96 (2006) 381-387 {Cited by 27}
http://dx.doi.org/10.1016/j.matchemphys.2005.07.028
Gijo Jose, Cyriac Joseph, M A Ittyachen and N V Unnikrishnan Structural and Optical Characterization of CdSe Nanocrystallites/ Rare Earth Ions in Sol - Gel Glasses. Optical Materials 29 (2007) 1495–1500
http://dx.doi.org/10.1016/j.optmat.2006.07.020
Amrutha K Adiyodi, Jyothy.P.V, Toney.T.F, Gijo Jose and N V Unnikrishnan Spectroscopic characterization of Sm3+ Ions in PVA Films Optoelectr. Advan. Mater. – Rapid Comm. 1(2007) 281 - 286. {Cited by 9}
Toney Fernandez, Gijo Jose, Siby Mathew, Rejikumar P R and Unnikrishnan N V, An ultra-low hydrolysis sol-gel route for titanosilicate xerogels and their characterization J. Solgel. Sci. Tech 41(2007)163-168 {Cited by 51}
P.I. Paulose, James Joseph, M K Rudra Warrier, Gijo Jose and N.V Unnikrishnan, Relaxation kinetics of Sm: Ce doped CaS phosphors Journal of Luminescence 127(2007) 583 - 588 {Cited by 16}
Amrutha K Adiyodi, Xavier Joseph, Jyothy P V, Gijo Jose and N V Unnikrishnan, Dielectric and microhardness studies of methylene blue doped PMMA matrix Materials Science –Poland 27(2009) 297 – 305 {Cited by 13}
Jyothy P V, Amrutha K A, Gijo Jose and N V Unnikrishnan Fluorescence enhancement in Tb3+ /CdS nanoparticles doped silica xerogels Journal of Fluorescence 19(2009) 165 -168 {Cited by 2}
P I Paulose, Gijo Jose and N V Unnikrishnan, Energy transfer studies of Ce:Eu system in phosphate glasses Journal of Non-Cryst. Solids 356(2010) 93-97 {Cited by 18}
R Pragash, Gijo Jose, N V Unnikrishnan and C Sudarsanakumar, Energy transfer and thermal studies of pr3+ doped cerium oxalate crystals Bull. Mater. Sci.,34,(2011) 955–961. {Cited by 8}
G. Vimal, Kamal P. Mani, Gijo Jose, P.R. Biju, Cyriac Joseph, N.V. Unnikrishnan, M.A. Ittyachen, Growth and spectroscopic properties of samarium oxalate single crystals, Journal of Crystal Growth, 404,(2014), Pages 20–25 {Cited by 28}
Vimal, G; Mani, Kamal P; Jose, Gijo; Biju, PR; Joseph, Cyriac; Unnikrishnan, NV; Ittyachen, MA; Growth and characterization of Sm3+ doped cerium oxalate single crystals, Journal of Materials Research and Technology,5,3(2016) 268-274 {Cited by 12}
John, Reenu Elizabeth; Chandran, Anoop; George, Justin; Jose, Ajai; Jose, Gijo; Jose, Joshy; Unnikrishnan, NV; Thomas, Marykutty; George, KC; High temperature ferroelectric behaviour in α-MnO 2 nanorods realised through enriched oxygen vacancy induced non-stoichiometry, Physical Chemistry Chemical Physics,19,42, (2017),28756-28771, {Cited by 10}
Manuja, M; Krishnan, V Sarath; Jose, Gijo; ",Molybdenum Disulphide Nanoparticles Synthesis Using a Low Temperature Hydrothermal Method and Characterization, IOP Conference Series: Materials Science and Engineering,360,1, (2018),012015, {Cited by 9}
John, Reenu Elizabeth; Chandran, Anoop; Krishnan, V Sarath; Jose, Gijo; Jose, Ajai; Jose, Joshy; Thomas, Marykutty; George, KC; ",Rietveld refinement and experimental determination of optical and electrical properties of K+ stabilized α-MnO2 nanostructures, IOP Conference Series: Materials Science and Engineering,360,1,(2018) 012013, {Cited by 3}
Manuja, M; Thomas, Tintu; Jose, Joshy; Jose, Gijo; George, KC; ",Metal insulator transition driven by hydrated water of tungsten trioxide, Journal of Alloys and Compounds,779, (2019),15-21 {Cited by 5}
Manuja, M; Sarath, KV; Thomas, Tintu; Jose, Joshy; Jose, Gijo; ",Effect of Structural Water on the Dielectric Properties of Hydrated Tungsten Trioxide, Journal of Electronic Materials,49,4,( 2020) 2556-2567 {Cited by 2}
"Manuja, M; Thomas, Tintu; John, Sam; Jose, Joshy; Jose, Gijo; ",Electrochemical characterization of orthorhombic tungsten trioxide hydrate for battery applications, Journal of Alloys and Compounds,869, (2021),159234
Varkey, Vinitha; Chandran, Aswathy R; Jose, E Tomlal; Paul, Issac; Jose, Gijo; ",Fabrication of photoluminescent electrospun poly (styrene-co-methyl methacrylate) nanofibers integrated with LaPO4: Eu3+ for optical applications, Materials Today: Proceedings 5,20 (2021) Available online 20 May 2021.
RESEARCH PROJECTS:
DST-SERC FAST TRACK PROJECT- Rs.12,81,000
Memberships:
Indian Laser Assosciation, Accademy Of Physics Teachers
INVOLVEMENT IN THE ACADEMIC BODIES OF OTHER INSTITUTIONS:
Board of Studies Member, St. Joseph's College, Irinjalakuda
Board of Studies Member, School of Pure & Applied Physics
OFFICIAL ROLES IN ADMINISTRATION / CORPORATE LIFE OF THE COLLEGE:
