Dr. Amritanshu Pandey

Associate Professor
Department/School/Unit Name
Department of Electronics Engineering IIT(BHU)
Phone No(s): 9454749047, 9984958317
Email: apandey.ece@iitbhu.ac.in
Area of Interest: Optoelectronics, Electronic Devices, Optical communication, Circuit Theory, Digital Communication, 2D semiconductor based devices.

Dr. Amritanshu Pandey , Associate Professor in the Dept. of Electronics Engineering


Fabrication and Characterization of Optoelectronic Devices, 
Optical communication Systems and components,
Exploring 2D semiconductor/TMD based devices for optoelectronic applications.



Electronics Devices and Systems

Basic Electronics

Circuit Theory

Optical communication

Electronic Materials

​Updated list at 

  • V Devarakonda, A Pandey, P Chakrabarti , A proposed graphene-gated semiconductor terahertz detector, Optik, 288, 171204, 2023
  • SM Yadav, A Pandey, A Simulation Study of n-ZnO/Perovskite/p-Cu2SnS3 Based Self-Powered Photodetector: Design and optimization, Materials Research Innovations, 1-8, 2023
  • Anil Kumar, P K Gupta, A Pandey et al. A highly sensitive Ag/MG-CQDs/ZnO NPs ultraviolet photodetector, IEEE Sensors Journal, 22 (22), 21635-21641, 2022
  • PK Gupta, A Pandey,  MoS2 Quantum Dots Based MSM Deep UV Photodetector, IEEE Photonics Technology Letters , 34(15), 827-830, 2022
  • Dubey, S.K., Kumar, A., Pandey, A. et al., A Study of Sensitivity Improved Probe Using Hyperbolic Metamaterial for Optical Fiber SPR (OFSPR)-based Refractive Index Sensor, Plasmonics, 2022
  • Gupta, Prashant; Pandey, Utkarsh; Pal, Bhola; Pandey, Amritanshu, Low Cost Solution-Processed MoS2 Quantum Dots-based Deep-UV Photodetector for Monitoring Disinfection, IEEE Trans Electron Devices, 69(5), 2474-2480, 2022
  • Sanjeev Mani Yadav, and Amritanshu Pandey ,An Efficient White-Light Photodetector Based on 2D-SnS2 Nanosheets , IEEE Trans Electron Devices, 69(4), 1889-1893, 2022
  • V Devarakonda, A Pandey, P Chakrabarti, Enhanced optoelectronic properties of a mercury cadmium telluride based double heterojunction photodetector for terahertz applications, Optik, 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, 2021
  • 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 -SnS2 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 Layer, IEEE Photonics Technology Letters, 29 (14), 2017
  • 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 Devices, 62(6), 1879-1884, 2015
  • 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 Letters, 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)

Vikram Pratap Singh  (ongoing)

Yashwant Goswami (ongoing)

Prashant Kumar Gupta  (ongoing)

Sanjeev Mani Yadav,  (Awarded in 2022) Thesis Title: Fabrication and Characterization of CTS Quantum Dots Based Hybrid Structures for Broadband Photodetection.

Ph.D. (Co-Supervisor)
Vijayakumar D. (Awarded May 2023)   Thesis Title: Modeling and Simulation of Terahertz Detectors Based on Mercury Cadmium Telluride.
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

Year of completion

Title of Thesis



Kumar Raghavendra


A Design And Implementation of High Speed Binary Counters Based On Even-Odd Merge Sorting Networks


RonakKumar R Solanki


Area Efficient Constant Time Synchronous Binary Counter


Shailendra Maurya


InP/In0.53Ga0.47As/InP PIN structure based infrared (IR) photodetector with plasmonic enhancement for optical fibre communication


Ayush Singh


Design of SPI Boot Driver for emulation enhancement of ADI DSP Products


Ankit Shaw


Design and Simulation of Synchronous and Asynchronous FIFO


Shashikant Pandey


A Study of 30nm-Dual Gate TFET Structure Using

Spacers for Improved On Current and Reduced

Ambipolar Current


Arun Kumar Soni


Analysis of Machine-Learning based Automatic Modulation Classificaton with Manual Modulation Classification


Vishal Singh


Design Of Fractional Order Chebyshev Filter By Using OTA


Mohit Chauhan


Timing And Power Convergence Of Semi-Custom Functional Unit Block In The High-Speed Core


Satish Rajkumar


Verification Of AMBA Based ABH2APB Bridge


Aanchal Verma


Power Distribution And Signal To Noise Ratio Analysis For Indoor Visible Light Communication


Ishan Jain


Simulation Study Of VLC: Physical Layer


Kapil Kumar Gautam

May 2020

A Joint Selection Of Cooperative Path And Antenna

Relay For Cooperative Communication Based On LLR Method Under Nakagami Fading Channel


Amit Maurya

June 2020

Pre-Silicon Validation Of PCI Express And Verification Of PCI Express LTSSM (Link Training And State Status Machine)


Ashutosh Tiwari

May 2020

Synthesis Of SnS : A 2D Material For The

Fabrication Of Photodetectors



May 2020

Synthesis Of WSe2 : A 2D Material For The

Fabrication Of Photodetectors


Abhi Goyal

May 2020

Study Of 5G Modulation Technique:Filtered Orthogonal Frequency Division Multiplexing(F-OFDM)


Akansha Sarda

May 2019

MEMS based visible range unable optical filter

Co supervisor

( supervisor : Prof P Chakrabarti)


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)


Deeksha Chauhan

May 2019

Channel Estimation and Antenna Selection through Gaussian Process Machine Learning


Amulya Neemoori

May 2018

2D Semiconductor based Optoelectronic Devices


Rahul Kumar

May 2018

Hybrid 2D-0D Graphene-WS2 Quantum dot UV Photodetector


Anuj Walia

June 2018

Simulation and Analysis of Graphene based Fielf Effect Transistor


Shivesh Kumar

June 2018

ZnO based UV Photo-transistor with Plasmonic Enhancement


Ashish kumar Chaurasia

Dec 2018

A Highly Sensitive Broadband Photodetector using CTS QDs/ ZnO thin film


Ramjee Ambedkar 

July 2017

Flexible UV Photodetector basedon MWCNT-WO3 composite buckypaper


Navneet Trivedi

July 2017

Design and analysis of re-circulating buffer based optical switch


Aditya Bansod


Study of the effects of rGO seed layer on ITO/rGO/ZnO UV detector


Archana Tripathi


Optical filter using photonic band gap structures


Raghvi Gupta


Analysis of dispersion characteristics of helical metal clad & grapheme clad circular core SI fiber


Snehlata Chanchal


Experimental investigations of WO3 based photo detectors


Sudeepta Saha


Some investigations of ZnO-rGO based photodetectors


Maheshwar Udham


Fabrication and characterization of ZnO and Al doped ZnO thin film based devices for the optoelectronic application

Supervisor:    Prof. Rajiv Prakash, SMST


Rahul kumar


Study of MEH-PPV and its ZnO nanocomposites for organic electronic devices: fabrication of Schottky diode

Supervisor:    Prof. Rajiv Prakash, SMST


Mr Ravi Kumar


Fabrication and characterization of ZnO nanostructure based hydrogen gas sensor


Mr S Sundeep


Fabrication and optical characterization of rGO-ZnO nanocomposite based UV detector


Mr Ravi Shankar


Fabrication and characterization of ZnO based nanostructured UV photodetector


Mr Rajeev Mishra


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


Mr Roopesh Singh


Challanges and improvements in Latch constraint measurement for library characterization

IIT(BHU) Varanasi (Ext Supervisor:  Ms Deepti Sharma)


Ms Binu Jose


Optimization of power gating technique to reduce power dissipitation of SRAM in standby mode

IIT(BHU) Varanasi (Ext Supervisor:  Dr Devesh Dwivedi)


Mr Alok Verma


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)


Mr Amit Kumar


Implementation of Set Partitioning in Hierarchical Tree (SPIHT) Algorithms

Supervisor : Prof S Jit


Mr Dheeraj Gupta


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


Mr Ajay Singh


Implementation of Canny Edge Detection Algorithm

Supervisor : Prof S Jit


Mr Istdeo Singh


A channel estimation technique for UWB communication


Ms Parul Agarwal


Characterization of TCP connection inter arrival times using heavy tail distribution


Ms Asmita Rajawat


Palm print recognition using fuzzy modeling


Mr Fakir Mohan Sahoo


Simulation of Adhoc network routing protocol


Ms Poonam Tripathi


OFDM simulation with syncronization


Mr Manoj Diwakar


Image data compression and rate distortion performance of a transform image coder using DCT


Mr Abhishek Katariya


Cryptography with RSA algorithm


Mrs Teena Mittal


Comparative study of high speed CMOS adders

co-guide : Dr Alpana Agarwal, TIET Patiala

"Development of Quantum Dots-Based UV Photodetectors" under TDP scheme of DST India.

(Role: Co PI )