Dr. Riju Davis
- Dr. Riju Davis
- Principal Scientist
- rijudavis@niist.res.in
- 0471 -2515215
Professional Experience
| 12/2020 - till date | Principal Scientist Materials Science and Technology Division (MSTD) CSIR-National Institute for Interdisciplinary Science and Technology (NIIST) Thiruvananthapuram, India |
| ✦ Research focus: Light-curing adhesive systems | |
| 10/2015 - 11/2020 | Technical Project Manager / Chemical Anchor Development Hilti Corporation, Kaufering, Germany |
| ✦ Technical lead for product development of capsule chemical anchor system, technical solutions for product system performance ✦ Coordination of project activities of cross-functional teams such as laboratory, test field, production, approvals, quality, and patent ✦ Significant contributions facilitated the successful product launch in EU (09/2017, 04/2018) and US (09/2019) of next generation Hilti capsule chemical anchor - HVU2 |
| 02/2008 - 09/2015 | Laboratory Manager / Adhesive Technologies Henkel Corporation, Düsseldorf, Germany |
| ✦ Team leader and technical lead of polyurethane-based pressure-sensitive hotmelt adhesive technologies ✦ Development of UV-curable adhesive systems (PU-based), potting compounds for aerospace application (epoxy-based), conducting nanosilver-ink for printable electronics ✦ Direct responsibility of laboratory staff and laboratory activities ✦ Management of projects and their integration to Henkel sites upon acquisition of National Starch Chemicals (2008-2009) ✦ Scoping India - identification of research cooperation with Indian institutes, universities and partner companies and search of toll manufacturers |
| 01/2006 - 02/2008 | Alexander von Humboldt Post Doctoral Researcher, Johannes Gutenberg University, Mainz, Germany |
| ✦ Research fellowship from Alexander von Humboldt Foundation, Germany ✦ Independent research in the area of two-dimensional supramolecular gel systems |
| 06/2003 - 09/2005 | AIST Post Doctoral Researcher, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan |
| ✦ Independent research in the area of photochromic molecular systems ✦ Patented photochromic materials commercialized by TCI/ Tokyo Chemical Industries, Japan |
Publications
Research Publications
- Two Dimensional Self-Assembly of Bis-acylureas Having Various Functional End Groups
Jong-Uk Kim, Riju Davis and Rudolf Zentel
Journal of Colloid and Interface Science (Elsevier) 359, 428, 2011. - The photochromism of a spiroperimidine compound in polymer matrices
Yasuo Norikane, Riju Davis and Nobuyuki Tamaoki
New Journal of Chemistry C (RSC) 33, 1327, 2009. - Drastic Solvent Effect on Thermal Back Reaction of Spiroperimidine Photochromic Compounds
Yasuo Norikane, Riju Davis, Yoshinobu Nishimura, Tatsuo Arai and Nobuyuki Tamaoki
Journal of Photochemistry and Photobiology A: Chem (RSC) 2052,116, 2009. - Molecular Packing and Solid State Fluorescence of Alkoxy-Cyano-Substituted Diphenylbutadienes: Structure of the Luminescent Aggregates
Riju Davis, N. S. Saleesh Kumar, Shibu Abraham, C. H. Suresh, Nigam P. Rath, Nobuyuki Tamaoki and Suresh Das
Journal of Physical Chemistry C (ACS) 112, 2137, 2008. - Two-Dimensional Aggregation of Organogelators Induced by Biaxial Hydrogen-bonding Gives Supramolecular Nanosheets
Riju Davis, Rüdiger Berger and Rudolf Zentel
Advanced Materials (Wiley VCH) 19, 3878, 2007. - Photoresponsive Anisotropic and Isotropic Gels of Semicarbazide-Azobenzene Organogelators: The Use of Magnetic Polymer Colloids to Detect Gel-Sol Transformation
Pia Deindörfer, Riju Davis and Rudolf Zentel
Soft Matter (RSC) 3, 1308, 2007. - Physicochemical characterization of octakis(alkyloxy)-substituted Zn(II)-phthalocyanines non-covalently incorporated into an organogel and their remarkable morphological effect on the nanoscale-fibers
David Díaz Díaz, Tomás Torres, Rudolf Zentel, Riju Davis and Martin Brehmer
Chemical Communications (RSC) 2369, 2007. - Modulation of unconventional fluorescence of novel photochromic perimidine spirodimers
Riju Davis and Nobuyuki Tamaoki
Chemistry - A European Journal (Wiley VCH) 13, 626, 2007. - Gelation of smectic liquid crystal phases with photosensitive gel forming agents
Pia Deindörfer, Alexey Eremin, Ralf Stannarius, Riju Davis and Rudolf Zentel
Soft Matter (RSC) 2, 693, 2006. - Fluorescent aggregates of 1-(p-butyloxyphenyl)-4-(p-cyanophenyl)buta-1E,3E-diene: Temperature sensing and photoimaging properties
Riju Davis and Suresh Das
Journal of Fluorescence (Springer Science) 15, 749, 2005. - Novel photochromic spiroheterocyclic molecules via oxidation of 1,8-diaminonaphthalene
Riju Davis and Nobuyuki Tamaoki
Organic Letters (ACS) 7, 1461, 2005. - Observation of a non-conventional Horner-Wadsworth-Emmons olefination product and effect of the lateral ethyl substitution on the solid state fluorescence
Riju Davis, Shibu Abraham, Nigam P. Rath and Suresh Das
New Journal of Chemistry (RSC) 28, 1368, 2004. - Butadienes as novel photochromes for color tuning of cholesteric glasses: influence of microscopic molecular reorganization within the helical superstructure
Riju Davis, V. Ajay Mallia, Suresh Das and Nobuyuki Tamaoki
Advanced Functional Materials (Wiley VCH) 14, 743, 2004. - Thermally reversible fluorescent polymorphs of alkoxy-cyano-substituted diphenylbutadienes: Role of crystal packing in solid state fluorescence
Riju Davis, Suresh Das and Nigam P. Rath
Chemical Communication (RSC) 74, 2004. - Synthesis, fluorescence and photoisomerization studies of azobenzene functionalized poly (alkyl arly) ether dendrimers
J. Nithyanandhan, N. Jayaraman, Riju Davis, Suresh Das
Chemistry - A European Journal (Wiley VCH) 10, 689, 2004. - Reversible photochemical phase transition behaviour of alkoxy-cyano-substituted diphenylbutadiene liquid crystals
Riju Davis, V. Ajay Mallia and Suresh Das
Chemistry of Materials (ACS) 15, 1057, 2003. - Intramolecular charge transfer and photochemical isomerization in donor-acceptor-substituted butadienes
Riju Davis, Suresh Das, Mathew George, S. Druzhinin and Klaas A. Zachariasse
Journal of Physical Chemistry A (ACS) 105, 4790, 2001. - Review: Photoresponsive liquid crystals
Suresh Das and Riju Davis
Proceedings of Indian National Science Academy (PINSA) 69A, 109, 2003.
Academic Qualification
Educational Qualifications
| 06/1998 - 03/2003 | Ph.D. in Chemistry Thesis: Novel Donor-Acceptor-Substituted Butadiene Systems: Photochemical and Photophysical Properties in Solution, Liquid Crystalline and Crystalline Phases Ph. D. Supervisor: Dr. Suresh Das (former Director, CSIR-NIIST) Keywords: organic synthesis, photoresponsive and photoswitchable materials, molecular-level understanding, imaging materials CSIR-National Institute of Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum, India University of Kerala, Trivandrum, India |
| 09/1995 - 03/1998 | Master of Science (Organic Chemistry) School of Chemical Sciences Mahatma Gandhi University, Kottayam, India |
| 07/1992 - 06/1995 | Bachelor of Science (Chemistry) Sacred Heart College, Ernakulam Mahatma Gandhi University, Kottayam, India |
Honors and Awards
Awards and Fellowships
| 2007 | The Distinguished Lectureship Award by the Chemical Society of Japan for work on “Molecular Based Photo-functional Materials” |
| 2005 | AvH Post-Doctoral Research Fellowship - Alexander von Humboldt Foundation, Bonn, Germany |
| 2003 | AIST Post-Doctoral Research Fellowship, AIST, Japan |
| 2000 | Senior Research Fellowship, CSIR, India |
| 1998 | Research fellowship - Volkswagen Foundation, Germany |
Patents
Patents
- Covering material for adhesive hotmelt glues, Henkel AG & Co. KGaA, Düsseldorf, PCT/EP2016/055018 WO/2016/142422, March 2015
Inventors: Marcus Heemann, Sebastian Kostyra, Eckhard Pürkner, Gerald Petry, Riju Davis - A process to manufacture thick layers of radiation cured adhesives - UV LED curable polyurethane based adhesives, Henkel AG & Co. KGaA, Düsseldorf, WO2012163593, EP2527383, November 28, 2012
Inventor: Riju Davis - Printable materials and methods of manufacture - nanosilver printable ink for printable electronics, Henkel AG & Co. KGaA, Düsseldorf, WO2011126706, October 13, 2011
Inventors: Derek Alexander Graham, Bin Wei, Riju Davis - Ionic-group-containing hotmelt adhesives - UV curable polyurethane hotmelt adhesives, Henkel AG & Co. KGaA, Düsseldorf, WO2011107546, EP2542604, September 08, 2011
Inventors: Thomas Möller, Melanie Lack, Riju Davis, A. Krlejova - Novel photochromic spiroheterocyclic molecules having broad activated visible region absorption. Japanese Patent, JP4660737, JP-2006225267, August 31, 2006
Inventors: Riju Davis, Nobuyuki Tamaoki - Non-visualized permanent information recording substrate for use as a security label for authentication. United States Patent, US 6,951,692, October 4, 2005
Inventors: Suresh Das, Riju Davis