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Dr. Amritanshu Pandey
Associate Professor
Department of Electronics Engineering, Indian Institute of Technology
Area of Interest: 
Experimental: Optoelectronic Devices: Photodetectors, Nano structures/ 2D semiconductor/ TMDs based devices. Modelling and Simulation (COMSOL, MATLAB based): Optical communication: Non Traditional optical fibers, FBG based optical filters, Photodetectors, Silicon Photonics

Dr. Amritanshu Pandey , Associate Professor in the Dept. of Electronics Engineering
Research interests
Fabrication and Characterization of Optoelectronic Devices, 
Optical communication Systems and components,
Exploring 2D semiconductor/TMD/Gr based devices for optoelectronic applications.


Teaching/RnD Experience: ~19 Years 

  1.  Indian Institute of Technology (BHU), Varanasi, From 7.11.2007- till date.
  2.  Madhav Institute of Technology & Science (MITS) ,Gwalior, From 20.10.2003 to 06.11.2007.
  3. STMicroelectronics Ltd. Noida (~ 1,5 Years)


​Updated list at

S.No. Authors Title Name of the
Volume Page Year
V Devarakonda, A Pandey, P Chakrabarti
Enhanced optoelectronic properties of a mercury cadmium telluride based double heterojunction photodetector for terahertz applications
247 167947 2021
AK Singh, ADD Dwivedi, A Pandey, P Chakrabarti
Design and implementation of an inverter and its application in ring oscillator circuits using an organic-thin-film-transistor based on an FTM-derived channel
Semiconductor Science and Technology 36 (12)
125006 2021
SM Yadav, AK Chaurasia, G Rawat, A Pandey
CTS Quantum Dots–ZnO Nanocomposites for Broadband Photodetection
ACS Applied Electronic Materials 3 (9) 4018-4026
Sanjeev Mani Yadav,    and Amritanshu Pandey Low Cost Solvothermal Processed CTS QDs (0D)-Based Visible-NIR Photoconductor IEEE Sensors Journal  21 (18) 19978-19983 2021
AK Singh, NK Chourasia, BN Pal, A Pandey, P Chakrabarti
A Proposed All ZnO Based Thin Film Transistor For UV-B Detection IEEE Photonics Technology Letters 32(24) 1548-1551 2020
AK Singh, A Pandey, P Chakrabarti
A Green Light Sensitive Au/PBTTT-C14/OTS/SiO2/Si/Ag MOS Capacitor IEEE Photonics Technology Letters 32(17) 1045-1048 2020
Vijayakumar Devarakonda, Arun Dev Dhar Dwivedi, Amritanshu Pandey, Parthasarathi Chakrabarti  Performance analysis of N + - C d T e / n 0 - Hg 0.824675 Cd 0.175325 T e / p + - Hg 0.824675 Cd 0.175325 T e n–i–p photodetector operating at 30 μm wavelength for terahertz applications Optical and Quantum Electronics 52(7) 1-19 2020
Sanjeev Mani Yadav,    and Amritanshu Pandey
Hybrid 2D–0D SnS2 Nanoflakes/CTS QDs-Based Broadband (UV-Visible-NIR) Photodetector IEEE Trans Electron Devices 67(5) 2008-2015 2020
Sanjeev Mani Yadav,    and Amritanshu Pandey
2D- -SnS Nanoflakes Based Efficient Ultraviolet Photodetector
IEEE Transactions on Nanotechnology 19 301-307 2020
Abhishek Kumar Singh, Nitesh Chourasia, , Bhola Pal , Amritanshu Pandey, and P Chakrabarti  Low Operating Voltage Solution Processed Dielectric (Li2ZnO2) and (SnO2) channel based Medium Wave UV-B Phototransistor for Application in Phototherapy IEEE Trans Electron Devices 67(5) 2028-2034 2020
Abhishek Kumar Singh; 
A Pandey, and P Chakrabarti
Poly[2,5-bis(3-tetradecylthiophen-2-yl)thieno [3,2-b]thiophene] Organic Polymer Based -Interdigitated Channel Enabled Thin Film Transistor for Detection of  Selective Low ppm Ammonia Sensing at 25°C IEEE Sensors Journal 20(8) 4047-4055 2019
Abhishek Kumar Singh;  A Pandey, and P Chakrabarti Fabrication, modelling and characterization of green light photosensitive p-channel -Poly[2,5-bis(3-tetradecylthiophen-2-yl)thieno[3,2-b]thiophene] organic semiconductor based phototransistors Organic Electronics 75 105424 2019
Vijay Kumar Singh;
 Sanjeev Mani Yadav, 
 Himanshu Mishra;  Rahul Kumar, Radhey Shyam Tiwari,  Amritanshu Pandey, and Anchal Srivastava
WS2 Quantum Dot Graphene Nanocomposite Film for UV Photodetection ACS Applied Nano Materials 2,6 3934-3942 2019
Sanjeev Mani Yadav,    and Amritanshu Pandey
Highly Efficient and Broadband Hybrid Photodetector Based on 2D Layered Graphene / CTS Quantum Dots, IEEE Trans Electron Device 66, 8, 3417-3424 2019
Amulya Nemoori, Himanshu Mishra, Vijay K. Singh, P. K. Shukla, Anchal Srivastava and Amritanshu Pandey A curious observation of Pauli-Blocking in MoS2-Quantum dots/ Graphene hybrid system Journal of Applied Physics 124 124501 2018
Amritanshu Pandey   and Aditya Bansod Pd/ZnO Schottky Ultraviolet Photodiode Fabricated
on ITO Using rGO Seed
IEEE Photonics Technology Letters 29 (14) 1191-
Amritanshu Pandey, Archana Tripathi, Raghavi, S.K. Srivastava and
S. Jit
Analysis of Ternary Layer Photonic Band Gap Tunable Filters for WDM Applications J. Nanoelectron. Optoelectron. 12(4) 331-336 2017
Amritanshu Pandey,  D. Somvanshi, and
S. Jit
Electrical and Ultraviolet Detection Properties of n- ZnO/p-Si Heterojunction Diodes Using a ZnO Buffer Layer J. Nanoelectron. Optoelectron. 10 219-225 2015
A. B. Yadav, Amritanshu Pandey,      D. Somvanshi and S. Jit, Sol-Gel Based High Sensitive Pd/n-ZnO Thin Film /n-Si Schottky Ultraviolet Photodiodes, IEEE         Trans Electron Device 62(6) 1879-
Aniruddh Bahadur Yadav, Amritanshu Pandey,  and
Satyabrata Jit
Pd Schottky Contacts on Sol– Gel Derived ZnO Thin Films With Nearly Ideal Richardson Constant IEEE Electron Device Letter 35(7) 729-731 2014
Aniruddh Bahadur Yadav, Kunal Singh, Amritanshu Pandey, S. Jit, Annealing-temperature effects on the properties of ZnO thin films and Pd/ZnO Schottky contacts grown on n-Si (100) substrates by vacuum
deposition method,
Superlattice and Microstructure 71 250-260 2014
AB Yadav, A Pandey, and S Jit, Effects of Annealing Temperature on  the Structural, Optical, and Electrical Properties of ZnO Thin Films Grown on n-Si< 100> Substrates by the Sol–
Gel Spin Coating Method,
Acta Metallurgica Sinica (English Letters) 27(4) 682-688 2014
D. Somvanshi, Amritanshu Pandey, and S Jit Ultraviolet           detection characteristics of Pd/ZnO thin film based Schottky diodes
grown on n-Si substrates,
J. Nanoelectron. Optoelectron. 8(4) 349-354 2013
 Conference Proceedings:
  1. Rahul Kumar, Vijay Kumar Singh, Himanshu Mishra , Anchal Srivastava, Amritanshu Pandey, UV Photodetector based on Graphene-WS2 Quantum dots, GRAPHENE2018, June 26-30, 2018, Dresden, Germany.

  2. Shaswat Mishra and Amritanshu Pandey, Hybrid Peak-to-Average Power Ratio Reduction Technique for Sub-Carrier Index Modulated OFDM, International Conference on Signal Processing and Communication (ICSPC’17) – 28th & 29th July 2017, COIMBATORE, TAMILNADU, India

  3. A. B. Yadav, R. Shankar, R. Kumar, A. Pandey and S. Jit, Analysis of Temperature Dependent I-V Characteristics of Pd/ZnO/n-Si Schotky Diode by Sol-Gel Method, IEEE conf. Proceeding  , International Conference on Microelectronics, Communication and Renewable Energy (ICMiCR-2013).

  4. H. Mishra, S. K. Srivastava,  and Amritanshu Pandey, “Distance dependent surface Plasmon coupled fluroscence studies using silver nano particles,”  Pp. 255 International conference on nanoscience and Nanotechnology (ICNN-2013), 18-20 November 2013 Department of Physical Sciences, BR Ambadakar University, Lucknow.

  5. Rajeev Kumar, Monika Srivastava, A. Pandey, H. Mishra, and S. K. Srivastava, “Tilted One-dimensional Ternary Poly carbonate/InSb/SiO2 Based Photonic Band Gap Materials for terahertz application”, Pg. 255-255, ICOL-20014, International Conference on Optics &  Optoelectronics (XXXI Symposium of Optical Society of India) Instruments Research & Development Establishment Dehradun, 05-08 March 2014, Uttaranchal (India).

  6. Sudeepta Saha, A B Yadav, and Amritanshu Pandey, “ZnO-Graphene nano-structure based UV photodetector,”  ICOL-2014, 5-8 Mrach 2014, IRDE Deharadun INDIA

  7. Archana Tripathi, Raghvi Gupta, Amritanshu Pandey, and Sanjay Srivastava, “Ultra Narrowband Filter for Dense Wavelength Division Multiplexing Application,” ICOL-2014, 5-8 Mrach 2014, IRDE Deharadun INDIA

  8. Snehlata Chanchal, Amritanshu Pandey, Vinod Kumar, and Anchal Srivastava, “WO3 nanowires based UV Photo-detector,” ICOL-2014, 5-8 Mrach 2014, IRDE Deharadun INDIA.

  9. Raghvi Gupta, Archana Tripathi, Amritanshu Pandey, and Sanjay Srivastava, “Analysis of effect of helical pitch angles on dispersion and absorption characteristics of helical-metal-clad-circular-core step index fiber,” ICOL-2014, 5-8 Mrach 2014, IRDE Deharadun INDIA.

  10. Rajeev Kumar, Angad S kushwaha, Sanjeev K. Srivastava, A. Pandey, H Mishra and S. K. Srivastava, “Enhancement in  reflection band width and omnidirectional reflection (ODR) bands in one-dimensional graded photonic crystal consisting of birefringent and dielectric materials,” pp. 45 , Photonics-2014 8th international conference on Optoelectronics, Fiber Optics and Photonics, 13-16 December 2014, Organised by IIT Kharagpur, INDIA.


Motivated scholars are invited to join the group as Postdoc/PhD candidate. Presently their is no scholarship position available in the lab hence candidates with NPDF/NET-JRF are invited. 
Ph.D. (Supervisor)
Sanjeev Mani Yadav,  (Awarded in 2022) :Fabrication and Characterization of CTS Quantum Dots Based Hybrid Structures for Broadband Photodetection
Prashant Kumar Gupta,  PDs based on hybrids of nano materials and/or TMDs
Yashwant Goswami 

Ph.D. (Co-Supervisor)
Vijayakumar D. (Topic: Teraherts Detectors)
Abhishek Kumar Singh (Awarded 2021); Thesis Title: Fabrication and Characterization of Thin film Transistors for Electronic and Sensing Applications. 

at IIT(BHU) Varanasi

Sl. No. Name of the Student(s) Year of completion or in Progress Title of Thesis Remarks
35 Akansha Sarda May 2019 MEMS based visible range unable optical filter Co supervisor
( supervisor : Prof P Chakrabarti)
34 Ayesha Singh May 2019 MEMS based Piezoelectric cantilever beam for sensing myglobin and detecting the onset of acute myocardial infarction (AMI) Co supervisor
( supervisor : Prof P Chakrabarti)
33 Deeksha Chauhan May 2019 Channel Estimation and Antenna Selection through Gaussian Process Machine Learning  
32 Amulya Neemoori May 2018 2D Semiconductor based Optoelectronic Devices  
31 Rahul Kumar May 2018 Hybrid 2D-0D Graphene-WS2 Quantum dot UV Photodetector  
30 Anuj Walia June 2018 Simulation and Analysis of Graphene based Fielf Effect Transistor  
29 Shivesh Kumar June 2018 ZnO based UV Photo-transistor with Plasmonic Enhancement  
28 Ashish kumar Chaurasia Dec 2018 A Highly Sensitive Broadband Photodetector using CTS QDs/ ZnO thin film  
27 Ramjee Ambedkar  July 2017 Flexible UV Photodetector basedon MWCNT-WO3 composite buckypaper  
26 Navneet Trivedi July 2017 Design and analysis of re-circulating buffer based optical switch  
25 Aditya Bansod 2015 Study of the effects of rGO seed layer on ITO/rGO/ZnO UV detector  
24 Archana Tripathi 2014 Optical filter using photonic band gap structures  
23 Raghvi Gupta 2014 Analysis of dispersion characteristics of helical metal clad & grapheme clad circular core SI fiber  
22 Snehlata Chanchal 2014 Experimental investigations of WO3 based photo detectors  
21 Sudeepta Saha 2014 Some investigations of ZnO-rGO based photodetectors  
20 Maheshwar Udham 2014 Fabrication and characterization of ZnO and Al doped ZnO thin film based devices for the optoelectronic application Supervisor:    Prof. Rajiv Prakash, SMST
19 Rahul kumar 2014 Study of MEH-PPV and its ZnO nanocomposites for organic electronic devices: fabrication of Schottky diode Supervisor:    Prof. Rajiv Prakash, SMST
18 Mr Ravi Kumar 2013 Fabrication and characterization of ZnO nanostructure based hydrogen gas sensor  
17 Mr S Sundeep 2013 Fabrication and optical characterization of rGO-ZnO nanocomposite based UV detector  
16 Mr Ravi Shankar 2013 Fabrication and characterization of ZnO based nanostructured UV photodetector  
15 Mr Rajeev Mishra 2012 Analysis and simulation of Negative bias temrature instability in 45nm and 28nm technology nodes in PMOS and its impacts Ext Supervisor:  Mr A C Mishra, STMicroelectronics
14 Mr Roopesh Singh 2012 Challanges and improvements in Latch constraint measurement for library characterization IIT(BHU) Varanasi (Ext Supervisor:  Ms Deepti Sharma)
13 Ms Binu Jose 2012 Optimization of power gating technique to reduce power dissipitation of SRAM in standby mode IIT(BHU) Varanasi (Ext Supervisor:  Dr Devesh Dwivedi)
12 Mr Alok Verma 2012 Delay and voltage overshoot analysis of drain gating lekage power reduction technique for CMOS circuit design IIT(BHU) Varanasi (Ext Supervisor:  Mr Vijay K Ankenapalli)
11 Mr Amit Kumar 2011 Implementation of Set Partitioning in Hierarchical Tree (SPIHT) Algorithms Supervisor : Prof S Jit
10 Mr Dheeraj Gupta 2011 Two-Dimensional Analytical Modeling and Simulation of Doping-Dependent Subthreshold Characteristics of Short-Channel Triple Material-Double Gate (TM-DG) MOSFETs Supervisor : Prof S Jit
9 Mr Ajay Singh 2010 Implementation of Canny Edge Detection Algorithm Supervisor : Prof S Jit

at MITS Gwalior

8 Mr Istdeo Singh 2007 A channel estimation technique for UWB communication  
7 Ms Parul Agarwal 2007 Characterization of TCP connection inter arrival times using heavy tail distribution  
6 Ms Asmita Rajawat 2007 Palm print recognition using fuzzy modeling  
5 Mr Fakir Mohan Sahoo 2007 Simulation of Adhoc network routing protocol  
4 Ms Poonam Tripathi 2006 OFDM simulation with syncronization  
3 Mr Manoj Diwakar 2006 Image data compression and rate distortion performance of a transform image coder using DCT  
2 Mr Abhishek Katariya 2006 Cryptography with RSA algorithm  
1 Mrs Teena Mittal 2006 Comparative study of high speed CMOS adders co-guide : Dr Alpana Agarwal, TIET Patiala

Administrative Responsibilities at IIT(BHU):
(Present and Past)

  • Member DFAC(2020-2021)
  • Member, Advisory Committee, Training and Placement Cell, IIT-BHU
  • Member, Anti-Ragging Squad 
  • Member, Department Post Graduate Committee (DPGC)
  • Convener, DUGC (Departmental Undergraduate Committee), Oct'2016-Sept2018
  • Admin Warden/ Warden during 2011-2016
  • Convener, Dept. Time-Table, (July 2011-2017)
  • Member, Institute Time-Table Committee (Dec'2014-June'2015)
  • Purchase Secretary of Department


  • Treasurer, IETE Varanasi Sub Chapter