Research Theme:

Semiconductor Nanostructures and 2D Materials for Advanced Energy and Environmental Applications

 

      image Giri
bulet2 Current Research Areas:  
 

 

  • Semiconductor Nanowires, Quantum dots, Photovoltaics, Biosensors
  • Graphene, MoS2 and Hybrid nanostructures
  • Optoelectronic materials and devices
  • Dilute Magnetic semiconductors
  • Doping and defects in semiconductors
  • Thin Film and Plasma/ Ion beam processing
  • Organic Semiconductors Devices
 

 

bullt3 Awards and Fellowships:

 

 

 

bullt4 Membership:

 

 

 

bullt4 Editorial Board Member:

 

 

 

bullt5 Major Conferences/Workshops Organized:

 

 

 

bullt6 Invited/ Plenary/Keynote Lectures in International Conferences/ Workshops:

 

 
  • Multifunctional Si Nanowires Decorated with Metal Nanoparticles: White Light Emission, Photocatalysis, SERS and Bio-sensing Applications (Invited Talk), International Conference on Emerging Trends in Nanomaterials Science & Technology (ICETNMST 2017), NIT Nagaland, India. Jan 4 – 6, 2017.

  • Functional Hybrid Nanostructures of Graphene, Graphitic Carbon Nitride, TiO2 and Plasmonic Metal Nanoparticles for Water Purification by Solar Light Driven Catalysis (Invited Talk), International Conference on Functional Materials (ICFM 2016), IIT Kraragpur, India, Dec 12-14, 2016. 

  • Solar light Driven Photocatalysis by Functional Hybrid Nanostructures for Water Purification and Environmental Cleaning (Invited Talk), National Conference on Nanoscience and Nanotechnology-16 (NCRANNT-2016), Shillong, India, Sept 8-9, 2016.

  • Application of Electron Microscopy in the Study of Hybrid Nanostructured Photocatalysts (Invited Talk), International Conference on Electron Microscopy (EMSI-2016), Varanasi, India, June 2-4, 2016.

  • Efficient Physical Functionalization of Graphene and Graphene Oxide for Photocatalytic and Photoconductive Applications (Invited Talk), 6th International Conference on Advanced Nanomaterials (ANM-2015), Aveiro, Portugal, July 20-22, 2015.

  • Site Selective Physical Functionalization of Graphene and Its Application in the Fabrication of Graphene-ZnO Nanowire Based Efficient Photodetectors (MRSI Invited Talk), Materials Research Society of India, Kalpakkam Chapter, IGCAR, Kalpakkam, Feb 5, 2015.

  • Tunable Photoluminescence from Functionalized Graphene Quantum Dots and Graphene- ZnO Nanowires Hybrid (Invited Talk), 3rd International Conference on Nanoscience & Nanotechnology (ICONN2015), SRM University, Chennai, Feb 4-6, 2015.

  • Site Selective Physical Functionalization of Graphene and Its Application for the Growth of Vertically Aligned ZnO Nanowires (Invited Talk), International Conference on Emerging Materials: Characterization &Application (EMCA-2014), CSIR-CGCRI, Kolkata, Dec 4-6, 2014.

  • Nanotechnology and Its Applications in Renewable Energy (Inaugural Plenary Talk), UNISA's BRICS International symposium on Energy, Materials and Innovations, Johannesburg, South Africa, March 5-7, 2014. 

  • Graphene based hybrid nanostructures for Optoelectronic Applications (Plenary Talk), UNISA's BRICS International symposium on Energy, Materials and Innovations, Johannesburg, South Africa, March 5-7, 2014. 

  • Graphene as a 2-D Platform for the Fabrication of 0-D Metal and 1-D Semiconductor Nanostructures (Invited Talk), International Conference on Green Energy and Smart Materials through Science, Technology & Management, Guwahati University, Jan 21-23, 2014.

  • Graphene- ZnO Nanowire Hybrid Nanostructures: Controlled Growth and Optoelectronic Applications (Plenary Talk), National Conference on Nanomaterials and Devices, NIT Srinagar, October 3-5, 2013.

  • Ultrafast UV Photodetection and Efficient Second Harmonic Generation from Metal Nanoparticle Decorated ZnO Nanowires (Invited Talk), International Conference on Nanotechnology (ICNT-2013), Haldia Institute of Technology (HIT), India. October 24-25, 2013.  

  • ZnO/Organic and ZnO/Metal Nanowire Heterostructures for Highly Efficient UV Photodetection (Invited Talk), 4th International Conference on Nanostructures Self- assembly (NANOSEA 2012), Sardinia, Italy, June 25-29, 2012.

  • Doped ZnO Nanowire Heterostructures for Highly Sensitive & Fast Response UV Photodetectors (Keynote Lecture), Workshop on Applications Of Nanotechnology In Modern Energy Concepts, Dresden, Germany, June 4-9, 2012.

  • Defect Engineering in Carbon Nanotubes and its Applications in Efficient Fluorescence Quenching of Different Fluorophores (Invited Talk), 1st International Conference on Functional Materials for Defence (ICFMD-2012), Pune, India, May 18-20, 2012.

  • Defect Engineering in Carbon Nanotubes: Nondestructive Evaluation, Manipulation and Applications (Plenary Talk), 1st International conference on Nanotechnology and Functional Materials, Hyderabad, India, January 4-7, 2012.

 

bullt5 Recent Publications:

 

   
 
  • Biroju Ravi, S. Pal, R. Sharma, P. K.  Giri, T. N. Narayanan, Stacking Sequence Dependent Photo-Electrocatalytic Performance of CVD Grown MoS2/Graphene van der Waals Solids, Nanotechnology 28, 085101 (2017). I.F. 3.84

 

  • Gone Rajenger and P. K. Giri, Formation Mechanism of Graphene Quantum Dots and Their Edge States Conversion Probed by Photoluminescence and Raman Spectroscopy, J. Mater. Chem. C 4, 10852 (2016). I.F. 5.0

 

 

  • Ravi K. Biroju, Biswajit Choudhury and P. K. Giri, Plasmon Enhanced Strong Visible Light Photocatalysis by Defect Engineered CVD Graphene and Graphene Oxide Physically Functionalized with Au Nanoparticles, Catal.  Sci. Technol. 6, 7101 (2016). I.F. 5.287

 

  • Kamal Kr Paul, Ramesh Ghosh and P K Giri, Mechanism of Strong Visible-Light Photocatalysis by Ag2O Nanoparticle Decorated Monoclinic TiO2(B) Porous Nanorods, Nanotechnology 27, 315703 (2016). I.F. 3.84

 

  • Ramesh Ghosh and P. K. Giri, Efficient Visible Light Photocatalysis and Tunable Photoluminescence from Orientation Controlled Mesoporous Si Nanowires, RSC  Adv. 6, 35365 (2016). I.F. 3.84

 

  • Gone Rajender and P K Giri, Strain Induced Phase Formation, Microstructural Evolution and Bandgap Narrowing in Strained TiO2 Nanocrystals Grown by Ball Milling, J. Alloys Comp. 676, 591 (2016). I.F. 2.999

 

  • Biswajit Choudhury, P K Giri, "Isotype Heterostructure of Bulk and Nanosheets of Graphitic Carbon Nitride for Efficient Visible Light Photodegradation of Methylene Blue", RSC Advances 6, 24976 (2016). I.F. 3.84

     

  • Ramesh Ghosh, Kenji Imakita, Minoru Fujii, P. K. Giri, Effect of Ag/Au Bilayer Assisted Etching on the Strongly Enhanced Photoluminescence and Visible Light Photocatalysis from Si Nanocrystal Decorated Si Nanowires Array, Phys. Chem. Chem. Phys. 18, 7715 (2016)  I.F. 4.49

 

  Recent Achievements/ NEWS:

 

         2. Prof. P. K. Giri received the "Nanoscience Research Leader Award 2016" from Cognizure Corporation, India.

 

    Students Achievements:

 

 
  • Ms. Larionett P. L. Mawlong, Research Scholar of our group (Centre for Nanotechnology) won the 1st BEST POSTER AWARD for her paper entitled "The Effect of Rapid Thermal Annealing on the Two Dimensional MoS2 Layers Grown by Chemical Vapor Deposition" at the National Conference on Nanoscience and Nanotechnology-16 (NCRANNT-2016), Sept 8-9, 2016, Shillong, India. Congratulations!   

 

 
  • Ms. Ruma Das, Research Scholar of our group (Physics) won the 3rd BEST POSTER AWARD for her paper entitled "Effect of Ball Milling on the Photophysical Properties of Nanodiamond" at the National Conference on Nanoscience and Nanotechnology-16 (NCRANNT-2016), Sept 8-9, 2016, Shillong, India. Congratulations!   

 

 

 

 
  • Mr. Ramesh Ghosh, Research Scholar of our group (Physics) won the BEST POSTER AWARD at the 'APTTEM-2016' National workshop for his poster entitled   "Electron Microscopy and Spectroscopic Studies of Arbitrary Shaped Si Nanocrystals Decorated on Vertical Si Nanowires Array". Congratulations!   

 

 
  • Mr. Ravi K Biroju, Research Scholar of our group (Centre for Nanotechnology) won the BEST POSTER AWARD (Sponsored by RSC, London) at the International Conference on Nanoscience and Technology (ICONSAT-2014), March 3-5th, 2014, Mohali, India for his poster entitled “Fabrication of graphene/ZnO and graphene/CoPc semiconducting nanowire hybrid structures and their optoelectronic properties”. (2014) Congratulations! 

 

 
  • Mr. Kamal Paul, Research Scholar of our group (Physics) won the BEST POSTER AWARD at the 'NANOS 2015' International conference for his poster entitled "Enhanced Visible Light Photocatalytic Activity of Ag2O Decorated TiO2 Nanaorods Heterostructure" (2015). Congratulations! 
   
          Opening for JRF and Post-doctoral Positions !
 
  • Hard working and motivated students with NET/GATE qualification are welcome to apply online (IITG website) for PhD admission in July and December session every year.
 
  • If you have a PhD degree with high impact publications in the relevant area and interested for Institute Post-doctoral fellowship (IPDF), you can write to me for supporting your application for the IPDF.