shailesh@nplindia.org

Dr. Shailesh Narayan Sharma
Designation:
Principal Scientist (Scientist E-II)/Associate Prof. (AcSIR)
Department:
Photonic Materials Metrology
Email address:
shailesh@nplindia.org
Brief Biodata:

Dr. Shailesh N. Sharma

Principal Scientist (Scientist E-II)/Associate Prof. (AcSIR)
Photonic Materials Metrology Department,
Advanced Materials and Devices Metrology Division,
CSIR-National Physical Laboratory,New Delhi-110012
Phone: (011) 45609193; Fax: (020) 2590 2636
Email: shailesh@nplindia.org ; shaileshnarainsharma@gmail.com

II. STAGES OF UNIVERSITY EDUCATION & PROFESSIONAL BACKGROUND

B.Sc Physics (Hons.)1983-1986 from Delhi University (India);
M.Sc (Physics)1986-1988 from Indian Institute of Technology, New Delhi (India).

Ph.D. (Physics) degree awarded (27th January 1994) from Indian Association for the Cultivation of Science, Jadavpur, Kolkata (India).

Research Associate (R.A.)(Jan.94 to July.95) from Indian Association for the Cultivation of Science, Jadavpur, Kolkata (India).

Project Scientist (August.95 to Feb.96) in Indian Institute of Technology,Hauz Khas,New Delhi (India).

Post Doctoral Fellowship (March 1996-Aug.1997) in Dept.de Fisica Aplicada I Electronica,University of Barcelona, Spain.

Scientist "B" (Dec.97-Jan.2002) in Materials Division, National Physical Laboratory (NPL),New Delhi-110 012,INDIA.

Visiting Scientist (April 2002-April 2003) in Radiation Laboratory, University of Notre Dame, Notre Dame, Indiana, USA.  

Scientist "C" (Jan. 2002-Jan.2007) in Materials Division, National Physical Laboratory (NPL),New Delhi-110 012,INDIA.

Scientist "E-I" (Jan.2007-Jan. 2012) in Materials Division, National Physical Laboratory (NPL), New Delhi-110 012,INDIA.

Scientist "E-II" (Jan.2012 till to date) in Advanced Materials & Devices Metrology Division,  CSIR-National Physical Laboratory (NPL), New Delhi-110 012, INDIA.

Publications in SCI Journals: > 100; Patents: 2

Projects Undertaken:

(i) March 1996-Aug 1997: Involved in the development of silicon carbide, silicon nitride and nanocrystalline amorphous silicon films in University of Barcelona (Spain). This work was partially supported by the CEC BRITE-EURAM program under contract no. BE 7328 and cofinanced by the CICYT of Spain under contract nos MAT94- 15 11 -CE and MAT96- 1194-CO2- 1.

(ii) April 2002-March 2003: Involved in the development of CdSe quantum dots and PPV polymer and studied its photophysical and photochemical properties. The work was supported by the Office of Basic Energy Sciences of the US Department of Energy.

(iii) April 2002-March 2007: Development of nanostructured porous materials for photoelectronic and sensors under Task Force on Custom Tailored Special Materials (Council of Scientific and industrial research, CSIR, India).

April 2007-May 2011: (In house NPL project): Development of highly luminescent and stable colloidal II-VI and IV-VI semiconductor nanocrystals for its possible application as  photovoltaics, biological labelling reagents and immunoassays.

(iv) June 2011-June 2017:  CO-PI in MNRE project entitled “R & D on Thin Film Solar Cells” comprising of a-Si & CIGSe materials was granted on 15 th june, 2011. The main aim of the  CIGSe-based solar cell project being the realization of process parameters to  achieve efficiency ~ 10% for module area ~5 x 5 cm 2 by chemical route (non vacuum process) through the application of inkjet printing (IJP).


(v) Projects anticipated (2018-2020): (i) CSIR-Energy Mission Mode Program; CSIR Network project on Organic Photovoltaics, Perovskites and Dye-Sensitized Solar Cells; Role-Project Investigator. (ii) Collaboration with Dr. Velumani Subramaniam, Profesor Investigador en  Ingeniería Eléctrica(SEES), Centro de Investigación y de Estudios Avanzados del I.P.N.(CINVESTAV), Mexico in the field of CIGSe/CZTSe-related nanoparticles.

Areas of Research Activity: Synthesis & characterization of Semiconductor Nanoparticles (porous silicon, TiO 2 , InP, CdSe, CdTe, CdS, CdSeTe, Zn x Cd 1-x Se, PbSe); Polymers (PPV, P3HT & Polystyrene), Organic-Inorganic  Hybrid materials (PPV-CdSe & P3HT-CdSe nanocomposites) & Colloidal CIGSe/CZTSe Nanoparticles (Multicomponent Chalcogenides CIG(S,Se)/CZT(S,Se), Core-Shell (CZTSe-CZTS)), Perovskites for its possible application in photovoltaics and Light Emitting Diodes.

Technology Transfer to be undertaken: Colloidal Multicomponent CZTSSe Inks for Solar Cells (http://www.nplindia.in/iglpdf/CZTSSe-Inks-for-Solar-Cells.pdf)

Participation/Contribution to AcSIR /HRD

A new course “Fundamentals of Electronic Materials & Semiconductor Devices” (Subject Code: NPL 601) was floated for AcSIR (M.Tech & Ph.D) and I was assigned the responsibility of course co-ordinatorship since August 2011 with other faculty members being Dr. Manas Dalai, Dr. Sanjay Srivastava and Dr. Pankaj Kumar respectively. I am responsible for ensuring a smooth running and teaching of the course (topics:semiconductor crystals, optical properties and excitons, nanocrystalline solids, phase change materials etc.). Besides, teaching, I was also involved in running of the practicals associated with the course as well.

No. of Ph.D. students guided: (8) Aarti Mehta (AcSIR, NPL), Aneeta Kharakwal (IIT Delhi), Tanvi Vats (Delhi University, Ms. Parul Chawla (AcSIR, NPL), Ms. Shefali Jain(AcSIR, NPL) and Ms. Akanksha (AcSIR, NPL), Sumit Kumar (IIT, Dhanbad), Jyoti Bansal (JMU, Delhi).  

Current Ph.D students in NPL: (2)- Ms. Naina Lohia (AcSIR, NPL), Ms. Pooja Semalti (AcSIR, NPL)  

Selected Publications in Semiconductor Quantum Dots/Nanoparticles: (2018-2000)

(i) Improved Quality Absorber Layer of I-III-VI 2 Compound Semiconductors: Purification Process Revisited, Shailesh Narain Sharma , Parul Chawla, Parth Vashistha, N. Vijayan, V.N. Singh and A.K.Srivastava, Solar Energy Materials and Solar Cells (Under Review) ( I.F. ~ 5.018 ) .

(ii) Precursor ratio optimizations for the synthesis of colloidal CZTS nanoparticles for photocatalytic degradation of malachite green , Shefali jain,  Akanksha Singh, Govind Gupta, N. Vijayan,  Shailesh Narain Sharma, Journal of Physics and Chemistry of Solids ,Volume 122, November 2018, Pages 8-18 ( I.F. ~ 2.207 ) .

(iii) Efficient colloidal route to pure phase kesterite Cu 2 ZnSnS 4 (CZTS) nanocrystals with controlled shape and structure, Shefali Jain, Parul Chawla, Shailesh Narain Sharma , Dinesh Singh and N. Vijayan, Superlattices and Microstructures, Volume 119 , July 2018, Pages 59-71  ( I.F. ~ 2.140 ).

(iv) Time-controlled synthesis mechanism analysis of kesterite-phased Cu 2 ZnSnS 4  nanorods via colloidal route, Shefali Jain, Dinesh Singh, N. Vijayan, Shailesh Narain Sharma , Applied Nanoscience (2018)(In Press). https://doi.org/10.1007/s13204-018-0781-1 ( I.F. ~ 3.325 ).

(v) Enhanced luminescence efficiency of wet chemical route synthesized InP-based quantum dots by a novel method: Probing the humidity sensing properties, Akanksha Singh, Chhavi Sharma, Mahesh Kumar, Reena Kumari, Ritu Srivastava, Shailesh Narain Sharma , Journal of Luminescence Volume 198 , June 2018, Pages 108-116 (I.F. ~ 2.686).

(vi) Transition from CZTSe to CZTS via multicomponent CZTSSe: Potential low cost photovoltaic absorbers,  Parul Chawla, Shefali Jain, Parth Vashishtha, Mansoor Ahamed, Shailesh Narain Sharma, Superlattices & Microstructures, Volume 113, 2018, Pages 502-509 (I.F. ~ 2.140).

(vii) Reduced band gap & charge recombination rate in Se doped α-Bi2O3 leads to enhanced photoelectrochemical and photocatalytic performance: Theoretical & experimental insight , Rishabh Sharma,  Manika Khanuja, Shailesh Narain Sharma , Om Prakash Sinha, International Journal of Hydrogen Energy Volume 42, Issue 32, 2017, Pages 20638-20648 (I.F- 3.582) .

(viii) Comparison of Polymeric Stabilization of Organic:Inorganic (MEH-PPV:TiO 2 ) Hybrid Composites Synthesized via Different Routes, Tanu Mittal,  Sangeeta Tiwari, Aarti Mehta, S K Tiwari and Shailesh Narain Sharma, Colloid and Polymer Science, Volume 295,  Issue 7 , 2017 pages 1097–1107 (I.F ~1.73) .

(ix) Tapping the Potential of TriOctylPhosphine (TOP) in the Realization of Highly Luminescent Blue-Emitting Colloidal Indium Phosphide (InP) Quantum Dots, Akanksha Singh, Parul Chawla, Shefali Jain and Shailesh Narain Sharma , Physica E:Low-Dimensional Systems and Nanostructures, Vol. 90 (2017), pages 175-182 (I.F ~ 2.221).

(x) A study of as-grown, poled and reduced Rh-doped KNbO3 single crystals by high-resolution X-ray diffraction, Raman scattering, photoluminescence and dielectric measurements, G. Bhagavannarayana, A. Choubey, SK   Kushwaha, Shailesh N arain Sharma ; R . Rani and N. Vijayan, Journal of Applied Crystallography, Vol. 47, 2015 pp:1324-1328 (I.F ~ 4.681).

(xi) An insight into the mechanism of charge-transfer of hybrid polymer:ternary/quaternary chalcopyrite colloidal nanocrystals, Parul Chawla,  Son Singh & Shailesh Narain Sharma , Beilstein J. Nanotechnol. 2014, 5, 1235-1244 (I.F ~ 3.13).

(xii) Low-Cost Fabrication of Ternary CuInSe 2 Nanocrystals by Colloidal Route Using a Novel Combination of Volatile and Non-volatile Capping Agents, Parul Chawla, Shailesh Narain Sharma & Son Singh, Journal of Solid State Chemistry, Volume 219, 2014, Pages 9–14 (I.F ~ 2.3).

(xiii) A solvothermal approach for the size-, shape- and phase-controlled synthesis and properties of CuInS 2 , Aneeta Kharkwal,  Shailesh Narain Sharma , Kiran Jain, A.K. Singh, Materials Chemistry and Physics . Volume 144, Issue 3 ,  15 April 2014 ,  Pages 252-262 (I.F. ~ 2.283) .

(xiv) Role of nanocrystalline ZnO coating on the stability of porous silicon formed on textured(1 0 0) Si, Daisy Verma Shailesh Narain Sharma Aneeta Kharkwal G. Bhagavannarayana Mahesh Kumar Shiv Nath Singh Parakram Kumar Singh Syed Sazad Mehdib Mushahid Husain ,   Applied Surface Science , Vol. 285,     Part B, 15 November 2013, page 564-571 (I.F. ~ 3.387).

(xv) Ligand-Dependent Transient Absorption Studies Of Hybrid Polymer:CdSe Quantum  Dot Composites, Shailesh Narain Sharma , Tanvi Vats, N. Dhenadhayalan, P.Ramamurthy And A.K. Narula,    Sol. Energy Mats. & Sol. Cells, 100 (2012) pp 6-15 (I.F. ~ 4.79) .

(xvi) Charge Transport and Electrochromism in Novel Nanocomposite Films of Poly(3,4-ethylenedioxythiophene)-Au Nanoparticles−CdSe Quantum Dots, Shweta Bhandari, Melepurath Deepa, Shailesh Narain Sharma , Amish G. Joshi, Avanish Kumar     Srivastava and Rama Kant, J. Phys. Chem. C , 2010, 114 (34), pp 14606–14613 (I.F. ~ 4.536) .

(xvii) Surface modification of CdSe quantum dots for biosensing applications: Role of ligands , Shailesh Narain Sharma , Umesh Kumar,  V.  N . Singh, B. R. Mehta, Rita Kakkar, Thin Solid Films , Volume 519, Issue 3, 30 November 2010, Pages 1202-1212 (I.F. ~ 1.9).

(xviii) Luminescence properties of the solvothermally synthesized blue light emitting Mn doped Cu 2 O nanoparticles , K.Das, Shailesh Narain Sharma , Mahesh Kumar, S.K. Dey, Journal Of Applied Physics , 107 (2) (2010) 024316 (I.F. ~ 2.6).

(xix) Morphology Dependent Luminescence Properties of Co Doped TiO 2 Nanostructures,   Kajari Das, Shailesh Narain Sharma , Mahesh Kumar and S. K. De, J. Phys. Chem. C , 2009, 113 (33), pp 14783–14792 (I.F. ~ 4.536) .

(xx) Size- and Shape-Controlled synthesis and properties of colloidal PbSe Nanocrystals, Umesh Kumar, Shailesh Narain Sharma , Sukhvir Singh, M. Kar, V.N. Singh, B.R. Mehta and Rita Kakkar, Materials Chemistry and Physics, Volume 113, Issue1, (2009), 107-114 (I.F. ~ 2.283) .

(xxi) Formation of water-soluble and biocompatible TOPO-capped CdSe quantum dots with efficient photoluminescence, Himani Sharma, Shailesh Narain Sharma ,  Umesh Kumar, V.N. Singh, B.R. Mehta, S.M. Shivaprasad and Rita Kakkar,   Journal of Materials Science:Materials in Medicine 20, 123 Suppl.1 (2009) (I.F. ~ 2.141) .  

(xxii) Synthesis, growth and structural perfection of nonlinear optical material of glycine

hydrofluoride (GHF) , N. Vijayan, G. Bhagavannarayana and Shailesh Narain Sharma , Journal of Materials Science  44 (13), 3457 (2009) (I.F. ~ 2.599) .

(xxiii) Effect of CdSe quantum dots on hole transport in poly(3-hexylthiophene) thin films, Kusum Kumari, Suresh Chand, Pankaj Kumar, Shailesh Narain Sharma , V. D. Vankar and Vikram Kumar, Appl. Phys. Letts  92, (2008) 263504 (I.F. ~ 3.411).

(xxiv) Effect of surface passivating ligand on structural and optoelectronic properties of polymer : CdSe quantum dot composites, Kusum Kumari, Umesh Kumar, Shailesh Narain Sharma , Suresh Chand, Rita Kakkar, V D Vankar and Vikram Kumar, J. Phys. D: Appl. Phys. 41 (2008) 235409 (I.F. ~ 2.66)

(xxv) Surface Sensitive Probe of the Chemical, Morphological and Structural Aspects of TOP/TOPO Capped CdSe Nanoparticles, Himani Sharma, Shailesh Narain Sharma , Sukhvir Singh, Ram Kishore,Gurmeet Singh and S.M. Shivaprasad,   Applied Surface Science, 253 (12), (2007) 5325-5333 (I.F. ~ 3.387).

(xxvi) Comparison of the properties of porous silicon films with different back contacts (Ag, Al) for possible  photovoltaic applications, Priyanka Singh, Shailesh Narain Sharma , Samsher Salam, Mushahid Husain and Mohan Lal, Solar Energy Materials & Solar Cells, 91, Issues 15-16 ,  1510-1514 (2007) (I.F. ~ 4.799) .

(xxvii) Photophysics and Photochemistry of Colloidal poly (p-phenylinevinylene) (ppv) Polymer, Shailesh Narain Sharma, Materials Chemistry and Physics, 100 (2-3), 345-350 (2006) (I.F. ~ 2.283).

(xxviii) Effect of humidity on structure and electrochromic properties of sol–gel-derived-tungsten-oxide-films, M. Deepa, P. Singh, Shailesh N arain Sharma and S.A. Agnihotry, Solar Energy Materials and Solar Cells , 90 (16), 2665-2682 (2006) (I.F. ~ 4.79) .

(xxix) Quantum Confinement Effects Of CdTe Nanocrystals Sequestered In TiO 2 Matrix: Effect Of Oxygen Incorporation , Shailesh Narain Sharma, S. Kohli and A.C. Rastogi, Physica E-Low-Dimensional Systems & Nanostructures 25 (4), 554 (2005) (I.F. ~ 2.221).

(xxx) Photoinduced Charge Transfer Between Cdse Nanocrystals And P-Phenylenediamine, Shailesh Narain Sharma , S. Zeena and Prashant V. Kamat,   J. Phys. Chem. B 107, 10088 (2003) (I.F. ~ 3.177) .

(xxix) Optical Properties Of CdS Nanoclusters: Effects Of Size, Stoichiometry And Alloying With Ag 2 S, R.K. Sharma, Shailesh Narain Sharma and A.C. Rastogi, Current Applied Physics 3, (2003) 257 (I.F. ~ 2.12) .

(xxxi) Substrate Temperature Dependence Of Electrical Conduction In Nanocrystalline CdTe:TiO 2 Sputtered Films, Shailesh Narain Sharma, S.M. Shivaprasad, Sandeep Kohli and A.C. Rastogi, Pure Appl. Chem.,74,   (2002) 1739 (I.F. ~ 2.492) .

(xxxii) Control Of The Crystallite Size And Passivation Of Defects In Porous Silicon By A Novel Method, Shailesh  Narain Sharma , R. Banerjee, D. Das, S. Chattopadhyay and  A.K. Barua, Applied Surface Science 182, (2001) 333 (I.F. ~ 3.387) .

(xxxiii) Size-Dependent Optical Edge Shifts And Electrical Conduction Behaviour Of Rf Magnetron Sputtered CdTe Nanocrystals:TiO 2 Composite Thin Films, A.C. Rastogi, Shailesh Narain Sharma and Sandeep Kohli, Semicond. Sci. Technol. 15 1011 (2000) (I.F. ~ 2.305) .

Conferences/Symposium: Invited Talks (16)/Oral Presentations (16):

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