Research Theme:

Semiconductor Nanostructures and 2D Materials for Advanced Energy, Environment & Biosensing Applications

      W3.CSS

Research Highlights


 

Click here for Prof. P. K. Giri's  Google Scholar Citations

H-Index: 44,  i-Index: 116,  Citations: 6052
 
bulet2 Current Research Areas:
  • Semiconductor Nanowires, Quantum dots, Photovoltaics, Biosensors
  • Graphene, MoS2, WS2 and Hybrid 2D nanostructures
  • Optoelectronic materials and devices
  • Hybrid Perovskite Semiconductors for Solar cells and LEDs
  • Thin Film and Plasma processing
  • Chemical and Biosesnors
  • DFT, FEM Simulations

 

 

bullt3 Awards and Fellowships:

 

 

bullt4 Professional Membership:

 

 

bullt4 Editorial Board Member:

 

 

bullt5 Major Conferences/Workshops Organized:

 

 

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

   
    
  1. (Invited Talk), International Conference on Light Matter Interaction (ICLMIN-2021) May 19-21, 2021 IGCAR, Kalpakkam, India.

  1. (Invited Talk), International Conference on Nano Science and Technology (ICONSAT 2020), Kolkata, March 5-7, 2020. 

  2. Invited Talk, MRSI Medal Lecture, Annual General Meeting of MRSI, Kolkata, February 11-14, 2020.

  3.  (Invited Talk), National Conference on Light Matter Interaction at the Nanoscale (LMIN 2019), IGCAR Kalpakkam, India, July 15-17, 2019 .

  4. (Inivited Talk), 5th International Conference on Nanoscience and Nanotechnology (ICONN-2019), Chennai, India. January 28-31, 2019.  

  5. (Invited Talk)The International Conference on Electron Microscopy (EMSI-2018), Bhubaneswar, India, July 18-20, 2018.

     (Invited Talk), The International Conference on Electron Microscopy and Allied Techniques (EMSI-2017), Mahabalipuram, India, July 17-19, 2017.

  6.  (Invited Talk), 9th International Conference on Materials for Advanced Technologies (ICMAT 2017), Singapore, June 18-23, 2017.

  7.  (Invited Talk), Advances in Materials Science, Gauhati  University, Mar 24-25, 2017. 

  8. Invited Talk SPS March Meeting 2017, JNU, New Delhi, March 17-18, 2017

  9.  (Invited Talk), 2nd International Conference on Emerging Materials: Characterization & Application (EMCA-2017), NIT Durgapur, March 15-17, 2017.

  10.  (Invited Talk), Visible Light Photocatalysis, SERS and Bio-sensing Applications, Current Trends in Condensed Matter Physics, IACS, Kolkata March 3-4, 2017.

  11.  (invited Talk), National conference on HARD AND SOFT CONDENSED MATTER PHYSICS (NCHSCMP-2017), Tezpur University, March 2-4, 2017

  12.  (Invited Talk), International Conference on Emerging Trends in Nanomaterials Science & Technology (ICETNMST 2017), NIT Nagaland, India. Jan 4 – 6, 2017.

  13.  (Invited Talk), International Conference on Functional Materials (ICFM 2016), IIT Kraragpur, India, Dec 12-14, 2016. 

  14.  (Invited Talk), National Conference on Nanoscience and Nanotechnology-16 (NCRANNT-2016), Shillong, India, Sept 8-9, 2016.

  15.  (Invited Talk), International Conference on Electron Microscopy (EMSI-2016), Varanasi, India, June 2-4, 2016.

  16.  (Invited Talk), 6th International Conference on Advanced Nanomaterials (ANM-2015), Aveiro, Portugal, July 20-22, 2015.

  17.  (MRSI Invited Talk), Materials Research Society of India, Kalpakkam Chapter, IGCAR, Kalpakkam, Feb 5, 2015.

  18.  (Invited Talk), 3rd International Conference on Nanoscience & Nanotechnology (ICONN2015), SRM University, Chennai, Feb 4-6, 2015.

  19.  (Invited Talk), International Conference on Emerging Materials: Characterization &Application (EMCA-2014), CSIR-CGCRI, Kolkata, Dec 4-6, 2014.

  20.  (Inaugural Plenary Talk), UNISA's BRICS International symposium on Energy, Materials and Innovations, Johannesburg, South Africa, March 5-7, 2014. 

  21.  (Plenary Talk), UNISA's BRICS International symposium on Energy, Materials and Innovations, Johannesburg, South Africa, March 5-7, 2014. 

  22.  (Invited Talk), International Conference on Green Energy and Smart Materials through Science, Technology & Management, Guwahati University, Jan 21-23, 2014.

  23.  (Plenary Talk), National Conference on Nanomaterials and Devices, NIT Srinagar, October 3-5, 2013.

  24.  (Invited Talk), International Conference on Nanotechnology (ICNT-2013), Haldia Institute of Technology (HIT), India. October 24-25, 2013.  

  25.  (Invited Talk), 4th International Conference on Nanostructures Self- assembly (NANOSEA 2012), Sardinia, Italy, June 25-29, 2012.

  26.  (Keynote Lecture), Workshop on Applications Of Nanotechnology In Modern Energy Concepts, Dresden, Germany, June 4-9, 2012.

  27.  (Invited Talk), 1st International Conference on Functional Materials for Defence (ICFMD-2012), Pune, India, May 18-20, 2012.

bullt5 Recent Publications:

 
  • Abhilasha Bora, Sumana Paul, Md Tarik Hossain, and P. K. Giri, Quantitative Understanding of the Photoluminescence Modulation and Doping of Monolayer WS2 by Heterostructuring with non-van der Waals 2D Bi2O2Se Quantum Dots , J. Phys. Chem. C 126, 12623 (2022). I.F. 4.126

  • N Somorjit Singh, M. Franco, H B Nemade, P. K. Giri, Plasma-Treated Graphene Surfaces for Trace Dye Detection Using Surface-Enhanced Raman Spectroscopy  ,  ACS Applied Nano Materials 5, 6352 (2022)I.F. 5.097  

  • Joydip Ghosh, P. Sellin, P. K. Giri, Recent Advances in Lead-free Double Perovskites for X-ray and Photodetection (INVITED REVIEW), Nanotechnology 33, 312001 (2022) . I.F. 3.874

  • Sumaiya Parveen, Mandira Das, S. Ghosh and P. K. Giri, Experimental and Theoretical Study on the Europium Doped Organo-Metal Halide 2D Perovskite Nanosheets for UV Photodetection with High Responsivity and Fast Response, Nanoscale 14, 6402-6416 (2022).  I.F. 7.79

  • Sumaiya Parveen and P. K. Giri, Emerging Doping Strategies in Two-Dimensional Hybrid Perovskite Semiconductors for Cutting Edge Optoelectronics Applications (REVIEW),  Nanoscale Advances 4, 995 (2022). I.F. 4.553 

  • Larionette P L Mawlong, Ravi K Biroju and P. K. Giri, Low Temperature Chemical Vapour Deposition Growth of MoS2 nanodots and Its Raman and Photoluminescence Profiles ,  Frontiers in Nanotechnology 3, 775732 (2021).  

  • Abhilasha Bora, Larionette P. L. Mawlong, and P. K. Giri, Highly suppressed dark current and fast photoresponse in Au nanoparticle embedded Si/Au/WS2 quantum dot based self-biased Schottky photodetector , ACS Appl. Elec. Mater. 3, 4891 (2021).  I.F. 3.314 

  • Sumana Paul, Md Tarik Hossain, Abdul Kaium Mia, and P K Giri, Europium Doping in 2D Topological Insulator Bi2Se3 Nanosheets Enables High Absorption, Suppressed Negative Photoconductivity and High-Performance Photodetection, ACS Applied Nano Materials 4, 12527 (2021). I.F. 5.097

  • Tadasha Jena, Tarik Hossain, P. K. Giri, Temperature-dependent Raman study and determination of anisotropy ratio and in-plane thermal conductivity of low-temperature CVD grown PdSe2 using unpolarized laser excitation , J. Mater. Chem. C 9, 16693 (2021)  I.F. 7.393 

  • Md Tarik Hossain, Mandira Das, Joydip Ghosh, Subhradip Ghosh, and P. K. Giri, Understanding the interfacial charge transfer in the CVD grown Bi2O2Se/CsPbBr3 nanocrystal heterostructure and its exploitation in superior photodetection: experiment vs. theory, Nanoscale 13, 14945 (2021) I.F. 7.79 

  • Md Tarik Hossain and P. K. Giri, Temperature-dependent Raman studies and thermal conductivity of direct CVD grown non-Van der Waals layered Bi2O2Se, Journal of Applied 129, 175102 (2021)  I.F. 2.286     Editors Pick.

 
 
  • Joydip Ghosh and P. K. Giri,  Recent Advances in Perovskite/2D Materials Based Hybrid Photodetectors (Invited Review), Journal of Physics: Materials 4, 032002 (2021). (Invited REVIEW) I.F. 5.847  

 
 
  • Larionette P. L. Mawlong, Kamal Kumar Paul and P. K. Giri , Exciton-Plasmon Coupling and Giant Photoluminescence Enhancement  in Monolayer MoS2 Through Hierarchically Designed TiO2/Au/MoS2 Ternary  Core-Shell Heterostructure , Nanotechnology 32 (2021) 215201.  I.F. 3.551      

 
 
  • N. Somorjit Singh, F. Mayanglambam, H. B. Nemade, P. K. Giri, , Facile synthetic route to exfoliate high quality and super-large lateral size of graphene-based sheets and their applications in SERS and CO2 gas sensing , RSC Advances 11, 9488-9504  (2021). I.F. 3.1   

 
 
  •  Joydip Ghosh, and P. K. Giri, Vacuum Deposited PbI2 Film Grown at Elevated Temperatures for Improved Efficiency of CH3NH3PbI3 Based Planar Perovskite Solar cells Materials Research Bulletin 139, 111255 (2021). I.F. 4.019    

 

 

Selected Publications:


                
               

                              

        

1
.  Scientific Reports 9, 19414 (2020).  I.F. 4.379
2.  Carbon 160, 273 (2020). I.F. 9.594
3.  J. Colloids & Interf. Sci. 564, 357-370 (2020). I.F. 6.36 
4.
 J. Colloids & Interf. Sci. 561, 519 (2020). I.F. 8.128
5.  Solar Energy Materials and Solar Cells 201, 110053 (2019). 6.02  

6.  ACS Appl. Mater. Interface 10, 42812 (2018).   I. F. 9.229              
7.    J. Mater. Chem. A 6, 22681 (2018). I.F.  11.3
8.    J. Phys. Chem. C 122, 15017 (2018). I.F. 4.58
9.    Solar Energy Materials and Solar Cells 185, 364 (2018). 6.02
10.    Sensor & Actuators B 260, 693-704 (2018). I.F. 6.3
11.    IEEE Electron Device Letters 99, 1 (2018). I.F. 3.04
12.    Appl. Catalysis B 224, 960-972 (2018). I.F. 14.229
13.    J. Phys. D. Appl. Phys. 51, 015110(2018). I.F. 2.59
14.    J. Phys. Chem. C  121, 20016 (2017). I.F. 4.53 
15.  Sensors & Actuators B. 254. 681 (2018).  I.F.6.3
16.  ACS Energy Letter 2, 1351 (2017).  I.F. 12.27
17.  J. Mater. Chem. C  4, 10852 (2016).  I.F. 5.0
18.  Catal.  Sci. Technol. 6, 7101 (2016). I.F. 5.287
19.  Phys. Chem. Chem. Phys 18, 7715 (2016).   I.F. 4.9
20.  Appl. Phys. Lett. 107, 221910 (2015). 3.82
21.  Appl. Phys. Lett. 107, 072104 (2015). I.F. 3.82
22.  Carbon 95, 228 (2015). I.F. 7.02.
23.  J. Mater. Chem. C 3, 7118 (2015). I.F. 5.976
24.  Nanotechnology 26, 145601 (2015). I.F. 3.84
25.  J. Phys. Chem. C 118, 13833 (2014), I.F. 4.85
26.  J. Phys. Chem. C 118, 13833 (2014), I.F. 4.85
27.  Optics Lett. 13, 3833 (2014). I.F. 3.589
28.  Appl. Phys. Lett. 104, 213302 (2014).  I.F. 3.82
29.  ACS Appl. Mater. Interface 6, 377 (2014).  I.F. 5.01
30.  J. Phys. Chem. C 117, 23402 (2013). I.F. 4.84
31.  Nanoscale 5, 5476 (2013). I.F. 7.2
32.  Carbon 50, 4495 (2012). I.F. 7.02
33.  J. Phys. Chem.  C  115, 24067 (2011). I.F. 4.5
34.  Nanoscale Res. Lett. 6, 320 (2011). I.F. 3.5
35.  J. Phys. Chem. B 115, 919 (2011). I.F. 3.60
36.  J. Phys. D: Appl. Phys. 42, 245402 (2009).   I.F. 2.53
37.  Appl. Phys. Lett. 78, 291 (2001).
38.  Phys. Rev. B 65, 012110 (2001).
39.  Phys. Rev. B 62, 16561 (2000).
40.  Phys. Rev. B 62, 2496 (2000).
41. Phys. Rev. B 57, 14603 (1998)
42.  Appl. Phys. Lett. 71, 682 (1997).
 
 
For a complete list of publications, click here.
 Recent Achievements/ NEWS:

            1. MOST POPULAR 'NANOSCALE' ARTICLES OF 2021 Understanding the interfacial charge transfer in the CVD grown Bi2O2Se/CsPbBr3 nanocrystal heterostructure and its exploitation in superior photodetection: experiment vs. theory, Nanoscale 13, 14945 (2021).

2. MOST Popular Advances collection of 2022 : Emerging Doping Strategies in Two-Dimensional Hybrid Perovskite Semiconductors for Cutting Edge Optoelectronics Applications (REVIEW),  Nanoscale Advances 4, 995 (2022) .

3. Dr. Ravi K. Biroju, Ex-student of our group, received  "Top Cited Author Award (India) from IOP Publishing, UK". His article "Catalyst free growth of    ZnO  nanowires on graphene and graphene oxide and its enhanced photoluminescence and photoresponse" has been Top 1% of the most-cited papers from India in the field of Materials published across the whole IOP Publishing portfolio in the past three years (2015 to 2017), using citations recorded in Web of Science.

            4.  Prof. P. K. Giri was elected as an 'Executive council Member' of 'Electron Microscopy Society of India' (EMSI) in July 2015

                5  Prof. P. K. Giri received the "Nanoscience/span> Research Leader Award 2016" from Cognizure Corporation, India.

                 6. Our Recent Article in IOP News/ LAB TALKS: Atomic layer sequence influences catalysis

     "When stacking different 2D crystals together to form "van der Waals solids", synergetic and interface-induced effects become very important. In Nanotechnology we report the development of CVD grown atomic layers in a hydrogen evolution reaction (HER) photo-electrocatalytic cell based on single layer graphene and MoS2 layers. We use a novel layer-by-layer transfer technique and demonstrate the significance of the van der Waals stacking sequence."

   7. Our article entitled "On the Hydrogen Evolution Reaction Activity of Graphene-MoS2 van der Waals Heterostructures", ACS Energy Letter. 2, 1351 (2017) is " Among the most read articles for the past month...."

          8. Prof. P. K. Giri received the prestigious 'MRSI Medal 2020' from Materials Research Society of India. (Sept 2019)

      9. Prof. P. K. Giri listed among the Word's Top 2% Scientists in Applied Physics (Nanoscience), database published by Stanford University, USA. (2020)

 

      10. Prof. P. K. Giri is Elected as a FELLOW of Institute of Physics (IoP), UK. (May 2021) .

      11. Prof. P. K. Giri is Elected as a FELLLOW of the West Bengal Academy of Science & Technology (WAST), India. (Dec 2021) .

 

Students Achievements:

  • Abdul Kaium Mia, Research Scholar of our group (Centre for Nanotechnology) won the BEST POSTER AWARD for his Poster Contribution presented at the INUP Workshop, 4-6 April, 2022,  IIT Guwahati. Congratulations! 
  • Larionette P.L. Mawlong, Research Scholar of our group (Centre for Nanotechnology) won the one of the BEST POSTER AWARD for her Poster Contribution presented at the “Graphene2020 Virtual International Conference & Expo” October 19-23, 2(020) and entitled: “Tunability of the Photoluminescence and Coupled Charge Transfer Dynamics in Monolayer MoS2 Decorated with WS2 Quantum Dots” – Authors (Larionette P. L. Mawlong, Abhilasha Bora and P. K. Giri). Congratulations! 
  • Mr. Joydip Ghosh, Research Scholar of our group (Physics) won the Nanoscale Advances Oral Presentation Prize AWARD at the 'International conference on  International Virtual Conference on Advanced Nanomaterials and Applications (VCAN) 17 - 19 June 2020'  Sponsored by Royal Society of Chemistry, UK for his outstanding oral presentation. Congratulations! 
   
  • Mr. Joydip Ghosh, Research Scholar of our group (Physics) won the BEST POSTER AWARD at the 'International conference on  Optoelectronics and Nanomaterials for Advanced Technology'  for his poster entitled "Enhanced Visible Light Photocatalytic by Fluorine doped Faceted Nanocrystal hierachically desined with vacancy rich TiO2 nanocrystals by vacuum annealing" (iCONMAT January 2019, CUSAT, Cochin). Congratulations! 
  • Mr. Kamal Paul, Research Scholar of our group (Physics) won the BEST POSTER AWARD at the 'International conference on  Optoelectronics and Nanomaterials for Advanced Technology'  for his poster entitled "Enhanced Visible Light Photocatalytic by Fluorine doped Faceted Nanocrystal hierachically desined with vacancy rich TiO2 nanocrystals by vacuum annealing" (iCONMAT January 2019, CUSAT, Cochin). Congratulations! 
  • Ms. Larionett P. L. Mawlong, Research Scholar of our group (Centre for Nanotechnology) won the BEST POSTER AWARD for her paper entitled "“Photoluminescence Study of CVD Grown Monolayer MoS2 Film on TiO2 Nanorods Array Template”  at the International conference on Advanced Nanomaterials and Nanotechnology (ICANN2017), Dec 2017, IIT Guwahati, India. Congratulations!   

  • Ms. Larionett P. L. Mawlong, Research Scholar of our group (Centre for Nanotechnology) won the BEST POSTER AWARD (1st Prize) 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  BEST POSTER AWARD (3rd Prize) 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 on Advanced Probing Techniques in TEM, for his poster entitled   "Electron Microscopy and Spectroscopic Studies of Arbitrary Shaped Si Nanocrystals Decorated on Vertical Si Nanowires Array". Congratulations!   

  • Mr. Kamal Paul,span> Research Scholar of our group (Physics) won the BEST POSTER AWARD at the International conference on  Nanoscience, nanotechnology and Advaced materials for his poster entitled "Enhanced Visible Light Photocatalytic Activity of Ag2O Decorated TiO2 Nanaorods Heterostructure" (2015). 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! 

Best Poster Awards

                    

                     

                              

Opening for PhD (JRF) and Post-doctoral Positions !
  • Hard working and motivated students with NET / GATE qualification are welcome to join our groupb. Please apply online (IITG website) for PhD admission in July and December session every year. Self-motivated candidates with excellent academic record will be preferred.  CSIR/NET qualified candidates can write to me anytime to join PhD under special drive scheme, subject to qualifying the admission test at IIT Guwahati. 

 

 

 

Present research Group

 

© Prof. P. K. Giri 2022