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![Lab Pic 1 (Substrate Cutting)](https://static.wixstatic.com/media/ad920a_95e8419fb7b2468dab0a1c04fc42d986~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/ad920a_95e8419fb7b2468dab0a1c04fc42d986~mv2.jpg)
![Lab Pic 2 (Metal Evaporation)](https://static.wixstatic.com/media/ad920a_008e523c9a5748fabd4386f8c896cdab~mv2.jpg/v1/fill/w_147,h_110,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/ad920a_008e523c9a5748fabd4386f8c896cdab~mv2.jpg)
![Lab Pic 6 (During Growth)](https://static.wixstatic.com/media/ad920a_ca7dad1e27ef4d77b152557df646ee9f~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/ad920a_ca7dad1e27ef4d77b152557df646ee9f~mv2.jpg)
![Lab Pic 1 (Substrate Cutting)](https://static.wixstatic.com/media/ad920a_95e8419fb7b2468dab0a1c04fc42d986~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/ad920a_95e8419fb7b2468dab0a1c04fc42d986~mv2.jpg)
![Lab Pic 7 (During Growth)](https://static.wixstatic.com/media/ad920a_37194dee7bfe4ddeadebf0869270b5b6~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/ad920a_37194dee7bfe4ddeadebf0869270b5b6~mv2.jpg)
![Lab Pic 8 (Flexible Device)](https://static.wixstatic.com/media/ad920a_282eeec344a14593bdd6932968f4fca4~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/ad920a_282eeec344a14593bdd6932968f4fca4~mv2.jpg)
![Lab Pic 13 (Channel length and width measurements)](https://static.wixstatic.com/media/ad920a_c7851077d67b46859ebd914e4d683993~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/ad920a_c7851077d67b46859ebd914e4d683993~mv2.jpg)
Optical microscope used to measured the channel length and width of the OFETs
![Lab Pic 7 (During Growth)](https://static.wixstatic.com/media/ad920a_37194dee7bfe4ddeadebf0869270b5b6~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/ad920a_37194dee7bfe4ddeadebf0869270b5b6~mv2.jpg)
PUBLICATIONS
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Patents
1. Suman Mandal and Dipak K. Goswami, Protein-based Flexible Energy Harvesting Device, Indian Patent Application No.: 201931017348, dated 1st, May 2019 in the name of Indian Institute of Technology Kharagpur ((Status: Published (Dated: 06.11.2020) but still in process of under examination not yet granted)*.
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2. Suman Mandal and Dipak K. Goswami, Organic Field-Effect Transistor Based Temperature Sensor for different Temperature Sensing Applications, Indian Patent Application No.: 201831004408, dated 6th, Feb 2018 in the name of Indian Institute of Technology Kharagpur (Status: Published (09/08/2019) but under examination not yet granted).*
*Patent application status can be found from the Indian Patent Advanced Search System and the corresponding link is given below. (Application number needed for that purpose).
Peer Review Journals
10. Suman Mandal, Ajoy Mandal, Shiv Prakash Verma​, Dipak Kumar Goswami,Interface engineering of a moisture-induced ionic albumen dielectric layer through self-crosslinking of cysteine amino acids for low voltage, high-performance organic field-effect transistors.
Nanoscale, Accepted Manuscript (2021).
https://doi.org/10.1039/D1NR02759J
9. Arnab Ghosh, Himanshu Saini, Arijit Sarkar, Puspendu Guha, Aneeya K Samantara, Ranjit Thapa, Suman Mandal, Ajoy Mandal, JN Behera, Samit K Ray, Dipak K Goswami, Nitrogen vacancy and hydrogen substitution mediated tunable optoelectronic properties of g-C3N4 2D layered structures: Applications towards blue LED to broad-band photodetection.
Applied Surface Science, 556, 149773 (2021).
8. Suvani Subhadarshini, Eluri Pavitra, Ganji Seeta Rama Raju, Nilesh R Chodankar, Ajoy Mandal, Satyajit Roy, Suman Mandal, MV Basaveswara Rao, Dipak K Goswami, Yun Suk Huh, Narayan C Das, One-pot facile synthesis and electrochemical evaluation of selenium enriched cobalt selenide nanotube for supercapacitor application.
Ceramics International, 47, 15293-15306 (2021).
7. Suman Mandal, Ajoy Mandal, Gourhari Jana, Samik Mallik, Satyajit Roy, Arnab Ghosh, Pratim Kumar Chattaraj​, Dipak Kumar Goswami, Low operating voltage organic field-effect transistors with gelatin as a moisture-induced ionic dielectric layer: the issues of high carrier mobility.
ACS. Appl. Mater. Interfaces, 12, 19727-19736 (2020).
6. Suman Mandal, Satyajit Roy, Ajoy Mandal, Tanmay Ghoshal, Gangadhar Das, Arnab Singh, Dipak Kumar Goswami, Protein based flexible moisture-induced energy harvesting devices as self-biased electronic sensors.
ACS Appl. Electron. Mater., 2, 780−789 (2020).
5. Parbati Basu, Jayita Chakraborty, Nirmal Ganguli, Khushi Mukherjee, Krishnendu Acharya, Biswarup Satpati, Sudipta Khamrui, Suman Mandal, Debmalya Banerjee, Dipak Goswami, Padinharu Madathil Gopalakrishnan Nambissan, Kuntal Chatterjee, Defect Engineered MoS2 Nanostructures for ROS Generation in Dark: Anti-pollutant and Anti-fungal Performances.
ACS. Appl. Mater Interfaces 11, 48179-48191 (2019).
4. Suman Mandal, Madhuchanda Banerjee, Satyajit Roy, Ajoy Mandal, Arnab Ghosh, Biswarup Satpati, Dipak K. Goswami, Organic Field-Effect Transistor-Based Ultrafast, Flexible, Physiological-Temperature Sensors with Hexagonal Barium Titanate Nanocrystals in Amorphous Matrix as Sensing Material.
ACS. Appl. Mater Interfaces 11, 4193-4202 (2019).
3. Puspendu Guha, Arnab Ghosh, Arijit Sarkar, Suman Mandal, Samit K Ray, Dipak K Goswami, Parlapalli V Satyam, P-type β-MoO2 nanostructures on n-Si by hydrogenation process: synthesis and application towards self-biased UV-visible photodetection.
Nanotechnology 30, 035204 (2018).
2. Nimmakayala VV Subbarao, Suman Mandal, Murali Gedda, Parameswar K Iyer, Dipak K Goswami, Effect of temperature on hysteresis of dipolar dielectric layer based organic field-effect transistors: A temperature sensing mechanism.
Sensors and Actuators A 269 491–499 (2018).
1. Suman Mandal, Jagannath Panda, Tapan Kumar Nath, Investigation of the critical behaviour and magnetocaloric effect in γ-Fe49Ni29Cr22 disordered austenitic stainless steel alloy by using the field dependence of magnetic entropy change.
Journal of Alloys and Compounds 653, 453-459 (2015).
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