NATIONAL INSTITUTE OF TECHNOLOGY SIKKIM

NIT Sikkim

NameDr. Sukanta Dhar
DesignationAssistant Professor
Academic QualificationB.Tech (WBUT)
M.Tech (Jadavpur University)
PhD (CEGESS, IIEST Shibpur)
Areas of InterestSilicon based materials development and characterization, a-Si:H/c-Si heterojunction solar cells, nanostructutes, light trapping in solar cells, AFORS-HET modelling, metal oxide semiconductor.
Work ExperienceTeaching- Four years+ (BITM, Shantiniketan; SKFGI, Mankundu, NIT Sikkim)
Industry- 6 months. (Tech-Mahindra Ltd.)
TeachingsSemiconductor device physics, MOS devices, VLSI technology, Device characterization techniques
List of PublicationsPatents filed:
1. A process for preparing catalyst-free, 3-dimensional 'indium tin oxide' nanostructure capable of enhancing short circuit current in a solar cell made therewith, S. Dhar, S. Mandal, G. Das, C. Banerjee, H. Saha and A. K. Barua (Application No.201631028207 A).
2. Surface texturization of glass: a new and innovative way to improve the performance of superstrate type thin film solar cells, Gourab Das, Sourav Mandal, Sukanta Dhar, Sukanta Bose, Jayasree R Sharma, Sumita Mukhopadhyay, Chandan Banerjee, Asok K Barua, (Application No.- 201711009452).
3. Glass pillar with textured matrix: a unique approach to enhance the short circuit current by improved light management in thin film solar cells, Gourab Das, Sourav Mandal, Sukanta Dhar, Sukanta Bose, Jayasree R Sharma, Sumita Mukhopadhyay, Chandan Banerjee, Asok K Barua, (Application No.- 201711009453).
List of Journals:
i. Development of optimized n-?c-Si:H/n-a-Si:H bilayer and its application for improving the performance of single junction a-Si solar cells, S. Mandal, S. Dhar, G. Das, S. Mukhopadhyay, and A. K. Barua, Sol. Energy, vol. 124, pp. 278286, 2016.
ii. Development of a novel fluorinated n-nc-SiO:H material for solar cell application, S. Mandal, G. Das, S. Dhar, R. M. Tomy, S. Mukhopadhyay, C. Banerjee, and A. K. Barua, Mater. Chem. Phys., vol. 157, pp. 130137, 2015.
iii. Potential of ITO nanoparticles formed by hydrogen treatment in PECVD for improved performance of back grid contact crystalline silicon solar cell, S. Mandal, S. Mitra, S. Dhar, H. Ghosh, C. Banerjee, S. K. Datta, and H. Saha, Appl. Surf. Sci., vol. 349, pp. 116122, 2015.
iv. Fabrication of single junction amorphous silicon solar cell/mini module using novel n-type nanocrystallineSiOx:F:H back reflector, S. Mandal, G. Das, S. Dhar, R. M. Tomy, S. Mukhopadhyay, C. Banerjee, and a. K. Barua, J. Mater. Sci. Mater. Electron., vol. 26, no. 1, pp. 331335, 2015.
v. Silicon heterojunction solar cells with novel fluorinated n-type nanocrystalline silicon oxide emitters on p-type crystalline silicon, S. Dhar, S. Mandal, G. Das, S. Mukhopadhyay, P. P. Ray, C. Banerjee, and A. K. Barua, Jpn. J. Appl. Phys., vol. 54, no. 8S1, p. 08KD03, 2015.
vi. Light trapping properties of rear located embedded tin oxide nanoparticles in crystalline silicon solar cells" H. Ghosh; S. Mitra; S. Dhar; A. Nandi; S. Majumdar; H. Saha; S. Datta; C. Banerjee, Plasmonics (DOI: 10.1007/s11468-016-0443-7).
vii. Modeling and analysis of lifetime curve of amorphous silicon/ crystalline silicon heterostructure solar cell, Sukanta Dhar, Chandan Banerjee, Hiranmay Saha, Kunal Ghosh, IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 63, NO. 10, OCTOBER 2016.
viii. Development of Improved n-?c-SiO x :H Films and Its Innovative Application in Silicon-Based Single Junction Thin Film Solar Cells, Gourab Das, Sourav Mandal, Sukanta Dhar, Sukanta Bose, Jayasree Roy Sharma, Sumita Mukhopadhyay, Chandan Banerjee, and Asok Kumar Barua, IEEE Journal of Photovoltaics 1(99) February 2017.
ix. Development of n-type microcrystalline SiOx:H films and its application by innovative way to improve the performance of single junction ?c-Si:H solar cell, Gourab Das, Sourav Mandal, Sukanta Dhar, Sukanta Bose, Sumita Mukhopadhyay, Chandan Banerjee, A. K. Barua, Journal of Materials Science Materials in Electronics December 2016.
x. Role of dual buffer at the p/i interface on the performance of single junction microcrystalline solar cells, G. Das, S. Mandal, S.Dhar, S. Bose, S. Mukhopadhyay, C. Banerjee, A. K. Barua, Materials Science in Semiconductor Processing, 66, 9-14, 2017,
xi. Influence of excitation frequency and electrode separation on the growth of microcrystalline silicon films and their application in single junction microcrystalline solar cell, G. Das, S. Mandal, S. Dhar, S. Bose, J. R. Sharma, S. Mukhopadhyay, C. Banerjee, A. K. Barua, Journal of Materials Science Materials in Electronics, DOI: 10.1007/s10854-017-6808-7.
xii. Synthesis of ITO nanoparticles at room temperature using plasma treatment process and use it as back reflector in a-Si flexible solar cell, G. Das, S. Mandal, S. Dhar, S. Bose, B. P. Bhargav, S. Mukhopadhyay, C. Banerjee, A. K. Barua, Surfaces and Interfaces, 7, 83-86, 2017.
xiii. Light trapping in a-Si/c-Si heterojunctions solar cells by embedded ITO nanoparticles at rear surface, Sukanta Dhar, Sourav Mandal, Suchismita Mitra, Hemanta Ghosh, Sampad Mukherjee, Chandan Banerjee, Hiranmoy Saha,and A K Barua, DOI: 10.1088/1361-6463/aa9468
Conference papers:
i. Development of well-defined ITO nano-rods by pulse DC magnetron sputtering as a potential material for photovoltaic applications, Sukanta Dhar, Sourav Mandal, Gourab Das, Kausturi Chatterjee, Sumita Mukhopadhyay, Chandan Banerjee, A K Barua, 18th International Workshop on Physics of Semiconductor Devices (IWPSD) 7th to 10th Dec, 2015 Bangalore, India.
ii. Beneficial effects of high rf frequency on development of hydrogenated microcrystalline silicon material as well as performance of microcrystalline cell, Gourab Das, Sourav Mandal, Sukanta Dhar, P Balaji Bhargav, Sumita Mukhopadhyay, Chandan Banerjee, P Ramasamy, A K Barua 18th International Workshop on Physics of Semiconductor Devices (IWPSD) 7th to 10th Dec, 2015 Bangalore ,India
iii. Studies on the etching behavior of Al:ZnO thin film to alkalis for application in the front layer of p-i-n solar cells, Sukanta Bose, Jayasree Roy Sharma, Gourab Das, Sourav Mandal, Sukanta Dhar, Arpita Jana, SumitaMukhopadhyay, A K Barua, 18th International Workshop on Physics of Semiconductor Devices (IWPSD) 7th to 10th Dec, 2015 Bangalore ,India
iv. Effect of KOH on the growth of ZnO nanostructures for application in silicon thin film solar cells, Jayasree Roy Sharma, Sukanta Bose, Sourav Mandal, Gourab Das, Sukanta Dhar, Arpita Jana, Sumita Mukhopadhyay, A K Barua, 18th International Workshop on Physics of Semiconductor Devices (IWPSD) 7th to 10th Dec, 2015 Bangalore ,India
v. Texturization of glass by plasma etching and their application in single junction a-Si thin film solar cell, Gourab Das, Sukanta Bose, Sourav Mandal, Sukanta Dhar, Sumita Mukhopadhyay, Chandan Banerjee, Ashok Kumar Barua, 25th International Photovoltaic Science and Engineering Conference (PVSEC-25) ,15th to 20th Nov 2015, Busan, Korea.
vi. Influence of different types of seeding on the growth of ZnOnanorods for application in radial junction Silicon thin film solar cells, Jayasree Roy Sharma, Sukanta Bose, Sourav Mandal, Gourab Das, Arpita Jana, Sukanta Dhar, Rajasi Mandal, Sumita Mukhopadhyay, A. K. Barua Oral presentation at 25th International Photovoltaic Science and Engineering Conference (PVSEC-25) ,15th to 20th Nov 2015, Busan, Korea.
vii. Light Trapping in a-Si / c-Si Heterojunction Solar Cells by Embedded ITO Nanoparticles at the Rear Surface, Sukanta Dhar, Sourav Mandal, Suchismita Mitra, Hemanta Ghosh, Chandan Banerjee, Swapan K Datta, Hiranmoy Saha, 25th International Photovoltaic Science and Engineering Conference (PVSEC-25) ,15th to 20th Nov 2015, Busan, Korea.
viii. Studies on the effect of introducing oxide buffer layers at the TCO/p interface of single junction p-i-n structure a-Si solar cell, Sourav Mandal, Gourab Das, Sukanta Dhar, P. Balaji Bhargav, Sumita Mukhopadhyay, A.K. Barua Poster presented at 25th International Photovoltaic Science and Engineering Conference (PVSEC-25) ,15th to 20th Nov 2015, Busan, Korea.
ix. Synthesis of ITO nanoparticle with Ar plasma in room temperature and its application in flexible thin film solar cell, Gourab Das, Sourav Mandal, Sukanta Dhar, Sukanta Bose,P Balaji Bhargav, Sumita Mukhopadhyay, Chandan Banerjee, Ashok Kumar Barua, 25th International Photovoltaic Science and Engineering Conference (PVSEC-25) ,15th to 20th Nov 2015, Busan, Korea.
x. Improvement of the performance of p-i-n structure a-Si solar cell by using n-?c-Si:H /n-a-Si:H bilayer as the n-layer, Sourav Mandal, Sukanta Dhar, Gourab Das, P. Balaji Bhargav, Sumita Mukhopadhyay, A.K. Barua Poster presented at 25th International Photovoltaic Science and Engineering Conference (PVSEC-25) ,15th to 20th Nov 2015, Busan, Korea.
xi. Enhanced tunable light trapping from tin oxide scattering nanoparticles array at rear side of grid contact crystalline silicon solar cell, Suchismita Mitra, Sukanta Dhar, Hemanta Ghosh, Chandan Banerjee, Swapan K Datta, Hiranmoy Saha, Poster presented at 25th International Photovoltaic Science and Engineering Conference (PVSEC-25) ,15th to 20th Nov 2015, Busan, Korea.
xii. Inclusion of Fluorine to Improve Refractive Index of Nanocrystalline Silicon Oxide Layer for Application in Solar Cell as BRL, Sourav Mandal, Gourab Das, Sukanta Dhar, M. Rajive Tomy, Chandan Banerjee, A.K. Barua, Oral presentation at International Conference on Energy Harvesting, Storage and Conversion (IC-EEE), 4th to 7th Feb 2015,Cochin ,India. p-58
xiii. Silicon Heterojunction Solar Cells with novel Fluorinated n-type Nanocrystalline Silicon Oxide Emitters on p-type c-Si, Sukanta Dhar, Sourav Mandal, Gourab Das, Chandan Banerjee, Sumita Mukhopadhyay, A. K. Barua, 6th World Conference on Photovoltaic Energy Conversion (WCPEC6),23th to 27th Nov 2014, Kyto, Japan. 4TuPo.7.13, 271-272
xiv. Texturization of Al:ZnO Glass Substrate by Reactive ion Etching and its application to Single junction a-Si Solar cells, Gourab Das, Sourav Mandal, Sukanta Dhar, Sukanta Bose, Arpita Jana, Sumita Mukhopadhyay, Chandan Banerjee, A.K.Barua, 6th World Conference on Photovoltaic Energy Conversion (WCPEC6), 23th to 27th Nov 2014, Kyto, Japan. 2TuPo.4.34, 301-302
xv. Effect of hydrogen plasma treatment on structural and optical properties of sputtered ITO, Sourav Mandal, Sukanta Dhar, Sumita Mukhopadhyay, Chandan Banerjee, Asok Kumar Barua, Oral presentation at International Conference on Advanced Materials and Energy Technology (ICAMET),17th to 19th Dec 2014, IIEST, Shibpur, Howrah, India. 177
xvi. Development of well dispersed tapered ITO nanorods as a potentiallight trapping structure for amorphous Silicon based solar cells, Sukanta Dhar, Chandan Banerjee and A. K. Barua, 32nd European PV Solar Energy Conference and Exhibition (EUPVSEC 2016), 20 - 24 JUNE 2016, MUNICH, GERMANY. 3DV.1.11, 1264-1267
xvii. Improvement of short circuit current of single junctionamorphous silicon solar cells by incorporatingnanoparticle as back reflector, S. Mandal, S. Dhar, and A. K. Barua, 32nd European PV Solar Energy Conference and Exhibition (EUPVSEC 2016), 20 - 24 JUNE 2016, MUNICH, GERMANY. 1BV.6.29, 249-252
xviii. ITO embedded Ag2S nano-particles as back reflector layer for increasing optical path length within thin film silicon solar cells, Sudarshana Banerjee, Sukanta Dhar, Sourav Mandal, Chandan Banerjee, Hiranmay Saha, Nillohit Mukherjee, 24 - 28 October 2016 Marina Bay Sands Sands Expo and Convention Centre, Singapore.
xix. Opto-Electrical property study of RGO-ITO composite thin film and itsbenefit over the standard ITO thin film as transparent conducting oxide, Anupam Nandi, Sukanta Dhar, Sanhita Majumdar, Chandan Banerjee, Syed Minhaz Hossain, Hiranmay Saha, 24 - 28 October 2016 Marina Bay Sands Sands Expo and Convention Centre, Singapore.
National seminar:
i. An embryonic technique for better light trapping of back reflector solar cells: Silver sulphide nanoparticles embedded in ITO matrix, Sudarshana Banerjee, Sukanta Dhar, Sourav Mandal, Chandan Banerjee, Hiranmay Saha, Nillohit Mukherjee, Research Scholars Colloquium 2016, At IIEST, Shibpur, Volume: ISBN 978-93- 80813-44-8, pp. 213-214.
Membership of Professional BodiesFOSET
Achievements1. Best poster award at EU-PVSEC 2016, EU-PVSEC, 2016-06-24, on New Materials and Concepts for solar cells and modules.
2. International travel support, DST SERB, 2016-04-29, To attain EUPVSEC at Munich, Germany.
3. CSIR RA fellowship in CHEM 24, 2017-2018.
Office AddressDept. of ECE, NIT Sikkim, Barfung Block, Ravangla, postcode - 737139
Contactssukanta@nitsikkim.ac.in
+91 9432340716
ExtrasReviewer of IOP Nanotechnology.
Equipment Handled during research work: Cluster tool PECVD, Thermal Evaporation System, RF and DC Sputtering System, Reactive Ion Etching (RIE), Field Effect Scanning Electron Microscope (FESEM), Surface Profilometer , UV-VIS Spectrophotometer, Cryostat, Optical microscope, Four probe measurement system, Semi automated Texturization Bath.