Total Teaching Experience • 15 Years

Book

• Physics practical Manual for B. Tech (Agriculture Engg.) BRSM, MUNGELI, C.G.
• Thermo and Mechano luminescence studies of II-VI semiconductors by Ratnesh Tiwari & Vikas Dubey, 978-3-659-27133-5 Lambert Publication, Germany.
• Editor of Book “Emerging synthesis techniques of luminescent materials” IGI global publication USA 2018
• Editor of Book “Design and Optimization of Sensors and Antennas for Wearable Devices: Emerging Research and Opportunities” IGI global publication USA 2019

Patent 01 - Wearable Hybrid Energy Harvesting System Published Date - (30 August 2019)

Ph.D. Guided
03
• Registered Students from Dr. C.V. Raman University Bilaspur (Mrs, Subha Tripathi) 27 Dec. 2016 Structural and luminescence studies of AZrO3 (A= Ca, Ba, Sr) phosphor doped with Eu3+ and Tb3+ (Thesis Submitted 28/08/2019)
• Registered Students (MrVikram Awate) from Dr. C.V. Raman University Bilaspur “Thermo luminescence of Sr2SiO4 phosphor doped with some rare earth ions” (Thesis Submitted 22/08/2019)
• Registered Students (Mrs. Seema Chopra) dated 03 January 2018 G.D. Goenka University Gurgaon “Luminescence Behavior and characterization of Eu3+ doped Y2Zr2O7 phosphor with different concentration of dopant “


Editorial Board

• Physics and Materials Chemistry SciEP publication USA
• Advance Physics Letter Journal
• Review of advance in physics theories and application Pak publishing group

Research Project

One Minor Research project completed funded by Chhattisgarh Council of Science & Technology “Synthesis and Characterization of rare earth doped MY2O4 (M=Ba, Ca, Sr) Phosphor
Ongoing one collaborative research project under TEQIP phase –III CSVTU, “Thermoluminescence studies of some mineral (Quartz, Calcite, Limestone) of Chhattisgarh basin”


Reviewer of Journal

• Journal of the European Optical Society - Rapid Publications (Springer)
• Research on chemical Intermediates (Springer)
• Review of advance in physics theories and application Pak publishing group
• Physics and Material Chemistry (SciEP) USA


Area of research interest

• Thermoluminescence Studies of Geological Materials.
• Synthesis and characterization of nanostructure luminescent materials.
• Preparation and characterization of thermoluminescence dosimetry phosphors.
• Preparation and characterization of inorganic and organic lamp phosphors.
• Development of Optoelectronic materials.
• Synthesis and spectroscopic studies of solid- state laser materials.
• Growth and study of defects in crystalline and microcrystalline solids.
• Radiation dosimetry thermoluminescence, mechnoluminescence, photoluminescence.
• Communication Engineering
• Wearable antenna for energy harvesting


Research Collaborations with

• MS University Baroda (Gujrat), India
• RTM University, Nagpur (Maharashtra), India
• UGC – DAE, Indore (M.P.), India
• ITM University, Gurgaon (Haryana), India
• National Institute of Technology, Raipur
• Indian Institute of Technology, Kanpur
• Department of Geology, Govt.V.Y.T.PG.Auto. College, Durg (C.G), India
• ITM University, Raipur
• Department of Physics, Govt.V.Y.T.PG.Auto. College, Durg (C.G), India
• Indian Institute of Technology, Bombay

Life Membership

• Luminescence Society of India Regd no.guj/1156,
Baroda, 31st December (2011)


Invited Lectures

• Delivered an invited talk for Graduate and postgraduate students entitled ‘’Nanotechnology and its applications’’ at Vipra Mahavidhyalaya Raipur C.G. 6th Dec. 2013.
• Delivered an invited talk for Graduate and postgraduate students entitled “ LED ek bahupyogi yukti” Chaitanya college, Palmgarh C.G. 08 Oct. 2015.
• Delivered an invited talk for Science Centre Raipur “Laser and its applications” 2017
• Delivered an invited talk for J.B. International School Tilda 2018.
• Delivered an invited talk for ALLONS Public School 7 September 2018.


Awards and Achievements

• Best Poster Presentation Award in an International Conference on Luminescence and its applications organized at PESIT Bangalore 7-12 Fb 2015.
• Best Paper presentation in Delhi University 2015.
• Best Teacher Award given by Institute of engineering Raipur India 2016


Judgement

• Regional level science exhibition organised by CBSE at Kanger Valley academy dated 7feb.2014 Raipur
• Regional level science exhibition organised by CBSE at N.H. Goel School dated17 dec. 2015 Raipur
• Inter college and school level event ‘V-Gyan fest’ organised by DIMAT dated 4.2.2016 Raipur.
• Inter collège polytechnique technical model compétition Rungta College of engineering 11 Feb. 2016 Raipur organised by CSVTU Bhilai
• Regional level science exhibition organised by CBSE at Gyan Ganga Education academy dated 10 -11 Dec.2016 Raipur


Convener

• International conference of recent trends in science and engineering.15-16 Jan. 2016.ICRTSE at Govt V Y T PG. College Durg.

Session Chair

• ICSC 2019 Sringer Tehri Uttrakhand 19-21 April 2019
• ICACAT 2018 IEEE conference LNCT University Bhopal 28-29 December 2018



Detail of Published Paper in International/National Journal/ National Conference/International Conference


Synthesis, Thermoluminescence and Structural Properties of Phosphor Doped With Dy3 V Awate, R Tiwari, AK Shrivastava Journal of Pure Applied and Industrial Physics 9 (4)
2019 20-24
Thermo-luminescence Glow Curve Analysis and Characterization of BaZrO3 Phosphor Doped with Eu3+, Tb3 S Tripathi, R Tiwari, AK Shrivastava Journal of Pure Applied and Industrial Physics 9 (3)
2019 12-19
Mechanoluminescence induced by impulsive excitation in CdS and CdSe: Mn, Cu, Ag, Au doped phosphors J Kaur, N Dubey, R Tiwari, V Dubey, A Pai, SJ Dhoble, HC Swart Journal of Materials Science: Materials in Electronics 29 (12) 9984-9993
Thermo, Photo and Mechanoluminescence Studies of Eu3+ Doped Y4Al2O9 Phosphors: TL, PL, and ML Analysis of YAM: Eu3+ S Tripathi, MK Mishra, VK Jain, R Tiwari, N Dubey Emerging Synthesis Techniques for Luminescent Materials, Book chapter 389-414
A review reports on rare earth activated AZrO 3 (A= Ba, Ca, Sr) phosphors for display and sensing applications S Tripathi, R Tiwari, AK Shrivastava, VK Singh, N Dubey, V Dubey Optik-International Journal for Light and Electron Optics Volume 157, March 2018, Pages 365-381
Synthesis, characterization and luminescence studies of rare earth activated Sr2SiO4 phosphor: a review
Vikram Awate, Ratnesh Tiwari, AK Shrivastava, Neha Dubey, Vikas Dubey Journal of Materials Science: Materials in Electronics 2018, Volume 29, Issue 6, |
pp 4391–4401
Estimation of spectroscopic parameters and colour purity of the red-light-emitting YBa 3 B 9 O 18 phosphor: Judd–Ofelt approach Vikas Dubey, Ratnesh Tiwari, Raunak Kumar Tamrakar, Jagjeet Kaur, S Dutta, Subrata Das, HG Visser, S Som Journal of Luminescence 2016, vol. 180 169-176
Optical Studies of Erbium and Ytterbium Doped Gd 2 Zr 2 O 7 Phosphor for Display and Optical Communication Applications Vinod Kumar Singh, Shubha Tripathi, Manish Kumar Mishra, Ratnesh Tiwari, Vikas Dubey, Neha Tiwari Journal of Display Technology (IEEE) 2016 vol. 12 (10) 1224-1228
Mechano and Photoluminescence Spectra of Cadmium Sulphide and Cadmium Selenide Doped Phosphors Jagjeet Kaur Saluja, Yogita Parganiha, Neha Tiwari, Vikas Dubey, Ratnesh Tiwari, Asha Prabhath Optik-International Journal for Light and Electron Optics Volume 127, Issue 19, October 2016, Pages 7958–7966
Thermoluminescence glow curve analysis and CGCD method for erbium doped CaZrO3 phosphor Ratnesh Tiwari, Seema Chopra NTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2015): Proceeding of International Conference on CondensedMatter and Applied Physics 2016 vol. 1728 020671
Effect of various cerium ion percentage on photoluminescence and thermoluminescence study of CaY2O4 phosphor Vikas Dubey; Ratnesh Tiwari; Ravi Shrivastava; C. Markande; O.P. Verma; J.Kaur Journal of Display Technology IEEE 2016 vol. 12 (2), 171-177
Thermoluminescence and Photoluminescence study of Erbium Doped CaY2O4 phosphor V Dubey, R Tiwari, RK Tamrakar, C Markande, GS Rathore, MK Pradhan Indian journal of material science 2015
Fracto-mechanoluminescence induced by impulsive deformation of II–VI semiconductors Ratnesh Tiwari, Vikas Dubey, Meera Ramrakhiani and B. P. Chandra Luminescence (wileyonlinelibrary.com) DOI 10.1002/bio.
2015 2837
Photoluminescence and Thermoluminescence study of Erbium Doped YAM phosphor priyanshu upadhyay, Diksha verma, Abhinav Bourse, D. Suman Prasad.. International Journal of luminescence and application 2015
Near UV Blue Emission from Cerium Doped BaY2O4 phosphor Vikas Dubey, Jagjeet kaur, Ratnesh Tiwari, Chandrabhushan Yogita.... International Journal of luminescence and application 2015
Blue Emission from Cerium Doped strontium yttrium oxide phosphor Vikas Dubey, Jagjeet kaur, Ratnesh Tiwari, Chandrabhushan Yogita.... International Journal of luminescence and application 2015
Infrared spectroscopy and upconversion luminescence behavior of erbium doped yttrium (III) oxide phosphor Vikas Dubey, Ratnesh Tiwari, Raunak Kumar Tamrakar, Gajendra Singh Rathore, Chitrakant Sharma, Neha Tiwari Infrared Physics & Technology 67 (2014) 537–541.

Optical behavior of cadmium and mercury free eco friendly lam nanophosphor for display devices
R. Tiwari , V. Awate, S. Tolani, N. Verma, V. Dubey, R.K. Tamrakar Results in Physics Vol. 4(2014) 63-68.
Exact Model for the elastico mechanoluminescence of II-VI phosphors
Ratnesh Tiwari, Vikas Dubey, B.P. Chandra Material Physics Mechanics Vol. 19 (2014) 25-38
Mechanoluminescence Properties of (Cd0.95Zn0.5)S mixed nanoparticles doped with silver
Ratnesh Tiwari, Raunak Kumar Tamrakar, N.Kumar Swamy, Vikas Dubey Journal of Ultra scientist of Physical Sciences Vol. 26(1)B, (2014) pp. 1-6.
Synthesis, characterization and thermoluminescence behavipur of (Cd, Zn)S mixed phosphor doped with silver Ratnesh Tiwari, P.B. Taunk, Raunak Kumar Tamrakar, N.Kumar Swamy, Vikas Dubey Chalcogenide letters vol. 11 (3), (2014) pp. 141-158.
Copper doped cadmium sulphide (CdS:Cu) quantum particles: topological, morphology and photoluminescence studies R. Tiwari, V.Dubey, R.K. Tamrakar International Journal of Industrial Engg. Vol. 3(3),
( 2013) pp. 67-74.
Thermoluminescence studies of UV irradiated Y2O3:Eu3+ doped phosphors
R. Tamrakar, V. Dubey, NK Swamy, R. Tiwari, SVN pammi Resaerch on chemical intermediates Vol. 39(8), (2013) pp. 3919-3923.
Real – Time mechanoluminescence sensing of the amplitude and duration of impact, stress
B.P. Chandra, V.K. Chandra, S.K. Mahobia, P. Jha, R. Tiwari, B. Haldhar sensor and actuator vol. 173(1), (2012) pp. 9-16.
Modeling of the mechanoluminescence induced by plastic deformation of II-VI semiconductors Ratnesh tiwari, P. Jha, R. Shrama, B.P. Chandra An International Research journal: Lab to Land vol. (3), (2009) pp. 92.

Dual Band Compact Microstrip Patch Antenna for PCS/WLAN Application Vinod kumar singh, Ratnesh Tiwari, Zakir Ali, Archana Lal International Journal of Advanced Research in Computer Science and Software Engineering Vol. 3( 8), (2013) pp. 493-496.

Contraction Mapping and Their Generalizations,
Reeta Sahu; Vikas Dubey; Sagar Sharma; Ratnesh Tiwari, Advance Physics Letter Vol. (1), (2014), pp.14-15.
Luminescence behaviour on rare earth doped phosphor for white light emitting diode
Stella Naik; Vibha Shukla; Vikas Dubey; Ratnesh Tiwar Advance Physics Letter Vol. (1), (2014), pp.12-14
Photoluminescence and Thermoluminescence bahaviour of Zn2SiO4:Mn2+, Eu2+ phosphor V. Dubey; R. Tiwari; M.K Pradhan; GS Rathore; C Sharma; RK Tamrakar Journal of Luminescence and Application 1(1) 30-39




Proceedings of National /International Conferences:

Photoluminescence of SrAl2O4:Eu,Dy nanoparticles , Proceeding of Indo-Russian Workshop on Nanotechnology Laser – Induced Plasma held at University of Delhi,24-26 Nov.2009,p.98
Ultrasonic wave Induced Mechanoluminescence in SrAl2O4: Eu Phopher, Proceeding of The International Conference of Luminescence and its application (ICLA – 2012) 7-10th Feb, 2012 Hydrabad, India,p.178
Modeling of the mechanoluminescence of II-VI semiconductors Proceeding of the National Seminar on Recent Trends in Luminescence, held at Department of Post Graduate Studies and Research in Physics and Electronics, Rani Durgawati University, Jabalpur(M.P.) on 26th April,2008,p.29.
Fracto-mechanoluminescence of SrAl2O4:Eu2+ ,Dy3+ crystals Proceeding of the National Conference on High Tech Materials :Synthesis, Characterization and Applications, held at Disha Institute of Management and Technology,Raipur,14-16 Dec.2009,p.80.
Fracto-mechanoluminescence of SrAl2O4:Eu2+, Dy3+ Nanophosphors Proceeding of the National Conference on Luminescence and Its Applications, (NCLA-2010) held at Kalasalingam University,Gandhigram,Tamilnadu,9-11 Feb.2010,p.14.
Current Voltage Characteristics of O organic Electro Luminescence Devices Proceeding of the National Conference on Luminescence and its Application,(NCLA-2006) At Nagpur P.134.
Suitability of Dislocation Model And Piezoelectric Model for The Elastico Mechanoluminescence of ZnS:Mn Phosphors National Conference on Luminescence and Its Applications, (NCLA-2014), held at Department of Post Graduate Studies and Research in Physics and Electronics, Rani Durgawati University, Jabalpur(M.P.) on 7th to 9th Feb 2014.
Luminescence behaviour on rare earth doped phosphor for white light emitting diode
INTERNATIONAL CONFERENCE ON EMERGING TRENDS IN ELECTRICAL, ELECTRONICS, INSTRUMENTATION & COMPUTER ENGINEERING (ETEICE) 27th & 28th March, 2014
Synthesis And Optical Behaviour Of Some Phosphors For Display Device Applications INTERNATIONAL CONFERENCE ON EMERGING TRENDS IN ELECTRICAL, ELECTRONICS, INSTRUMENTATION & COMPUTER ENGINEERING (ETEICE) 27th & 28th March, 2014
Thermoluminescence and its kinetics of Dy3+ doped YAM (Y4Al2O9) phosphors All India conference on “INTELLIGENT SYSTEM IN PHYSICS”, April 25th26th, 2014 Chhatrapati Shivaji Institute of Technology, Shivaji Nagar, Durg, India – 491001 ISBN : 978-81-923288-2-9

Computer Skills:
PGDCA from Makhan lal Chaturvedi Patrakarita Vishvavidhlaya, Bhopal (M.P.)

Extra Curricular Activities:
• NCC B And C Certificate with B Grade as Under Officer in 1 MPARTY Jabalpur (M.P.) 2002.
• Program coordinator NSS, BIT RAIPUR from 7aug.2013 to till date

Other Responsibilities:
• Editor in Chief, An international journal ‘Advance Physics Letter’
• Asst. Dean Research and Development Bhilai Institute of Technology, Raipur (2018-19).
• Asst. Dean 1st year Bhilai Institute of Technology, Raipur (2015-18).
• First year coordinator Bhilai Institute of Technology, Raipur (2010-14).
• Asst. Examination controller Bhilai Institute of Technology, Raipur (2012-13).
• Member of counselling commetee (2009-2015).
• Time – Table incharge first year (2013-15).
• Member in advisory comittee in and International conference held at Bhilai Institute of Technology, Raipur
• Member of sports comitee Bhilai Institute of Technology, Raipur (2010)
• Transport comitee Bhilai Institute of Technology, Raipur (2010)

National Conference/Workshop:
 National Institute of Technology Raipur “Short Term Course on Recent Trent in Material Science” Dec. 27 to 31 (2008)
 National workshop on physics and applications of luminescence to Nano - science, radiation dosimetry and geology Nepal -04 jointly organized by Shri Shankarchaya College of Engg. And technology Junwani Bhilai Dec. 3 to 4 (2009)
 National symposium on physics today: contemporary research ideas and innovative teaching methods form: 17th to 19th November 2005 organized by department of physics St. Aloysius College Jabalpur (M.P).
 IWMMS-2013: International Workshop on Materials Modeling & Simulation, organized by Shri Shankarchaya College of Engg. And technology Junwani Bhilai,june24-27(2013)