*

SHIRSOPRATIM CHATTOPADHYAY

PhD *th Year Student, adrmjg@r.postjobfree.com

Department of Materials Science & Engineering,

Oregon State University, USA.

DATE OF BIRTH 20.02.1996

GENDER Male

NATIONALITY Indian

ACADEMIC QUALIFICATIONS

Year Degree Institute CPI / %

2023

(expected)

Doctor of Philosophy with a Minor in

Electrical Engineering and Computer

Science

Oregon State University 3.79/4.00

2018 B.Tech (Material Science & Engineering) Indian Institute of Technology(IIT), Kanpur, India

7.4/10.0

2014 Indian School Certificate Examination

(Year-12)

Calcutta Boys’ School, Kolkata, India 93.8%

2012 Indian Certificate of Secondary

Examination (Year-10)

Calcutta Boys’ School, Kolkata, India 96.14%

PhD RESEARCH PROJECT

I am working on developing and experimentally validating quantitative mathematical models for predicting the electrical characteristics of flexible electronic devices with arbitrary geometry. My work lies at the intersection of mathematics, device physics, computational electromagnetics and materials science.

RESEARCH FOCUS

Flexible Electronics

Mathematical Modelling

Computational Electromagnetics

Device and Materials Characterization

RELEVANT COURSES ATTENDED

Electronic Properties of Materials (A)

Thin Film Materials Characterization and Properties (A-)

Electronic Materials and Characterization (A)

Semiconductor Processing (A-)

Analytical Techniques in Electromagnetic Fields (A)

Advanced Electromagnetics (A-)

Electronic Properties of Oxides (A-)

2

Basic Semiconductor Devices (A)

Semiconductor Devices II (A)

Introduction to Data Science (A)

Introduction to Differential Geometry 1 (A)

Introduction to Differential Geometry 2 (A)

EXPERIMENTAL SKILLS

Synthesis: Proficient in chemical synthesis. Routinely concocted Methylammonium Lead Iodide (MAPbI 3

) solutions from scratch.

Experienced at working in a glove box environment.

Solution deposition with spin coating: Proficient in fabricating thin film samples using a spin coater.

Time Resolved Microwave Conductivity: Routinely used custom made TRMC setup for contactless characterization to extract material mobility.

UV Vis Spectroscopy: Proficient in conducting UV-Vis analysis of thin film samples.

3D Printing: Proficient in 3D design (using Blender) and printing. COMPUTATIONAL SKILLS

MATLAB: Very proficient. Frequently use it for implementing numerical electromagnetics techniques for research.

Julia: Very familiar with data structures like Data Frames, Dictionaries, Documents as well as graphics packages like Makie. Have implemented in built as well as Python packages (like scikit-learn) for various data analytics and machine learning applications.

Silvaco’s ATHENA and ATLAS: Competent with TFT modelling and process simulation.

SPICE: Familiar with circuit modelling for applications such as AC small signal analysis, DC operating point analysis and Transfer function analysis of Integrated Circuits.

Other programming languages: Experienced with C and Java. ACADEMIC ACCOLADES

Dean’s Appreciation List at OSU, Winter 2020 Term. PUBLICATIONS

Resolving in-plane and out-of-plane mobility using time resolved microwave conductivity (Shirsopratim Chattopadhyay, Robert S. Kokenyesi, Min Ji Hong, C Lowell Watts, John G Labram), J. Mater. Chem. C, 8, 107**-***** (2020).

(https://pubs.rsc.org/en/content/articlelanding/2020/tc/d0tc00328j/unauth)

The effect of substrate curvature on capacitance and current–voltage characteristics in thin-film transistors on flexible substrates

(Shirsopratim Chattopadhyay, John G Labram), 2021 J. Phys. Mater. 4 025002

(https://iopscience.iop.org/article/10.1088/2515-7639/abe7c5)

Time-Resolved Changes in Dielectric Constant of Metal Halide Perovskites under Illumination (Min Ji Hong, Liangdong Zhu, Cheng Chen, Longteng Tang, Yen-Hung Lin, Wen Li, Rose Johnson, Shirsopratim Chattopadhyay, Henry J. Snaith, Chong Fang, and John G. Labram), J. Am. Chem. Soc. 2020, 142, 47, 19799–19803 (https://pubs.acs.org/doi/abs/10.1021/jacs.0c07307)

Long-range exciton diffusion in molecular non-fullerene acceptors (Yuliar Firdaus, Vincent M. Le Corre, Safakath Karuthedath, Wenlan Liu, Anastasia Markina, Wentao Huang, Shirsopratim Chattopadhyay, Masrur Morshed Nahid, Mohamad I. Nugraha, 3

Yuanbao Lin, Akmaral Seitkhan, Aniruddha Basu, Weimin Zhang, Iain McCulloch, Harald Ade, John Labram, Frédéric Laquai, Denis Andrienko, L. Jan Anton Koster & Thomas D. Anthopoulos), Nat Commun 11, 5220 (2020).

(https://www.nature.com/articles/s41467-020-19029-9) CONFERENCES

Selected for oral presentation at APS Spring Meet, Denver, 2020. (Was cancelled due to COVID) PAST INTERNSHIPS

Inspire Summer Internship at Tata Steel, Jamshedpur, India (May-June, 2017)

Investigated the causes of corrosion and premature failure in the Slag Granulation system.

Conducted a comprehensive review of latest corrosion prevention practices prevalent in industry,

Suggested several measures to prevent corrosion and enhance service life of the Slag Granulation System. COURSE PROJECTS

SMS Spam Detection using Logistic Regression

Done under supervision of Dr.Cory Simon for Introduction to Data Science (CHE599) course.

Trained a Logistic Regression machine learning model to classify SMS as spam or not.

Used Bag of Words and Latent Dirichlet Allocation NLP approaches for featurizing text.

Coded in Julia.

TEACHING EXPERIENCE

Graduate Teaching Assistant for Senior Design at OSU (2019-20)

Over the course of a year, mentored and guided over 10 student groups on their senior design projects, said projects covering an eclectic spectrum, ranging from portable solar panels to underwater robotics.

Ran the Internet of Things Communities of Practice, a student community dedicated to foster and inculcate interest in the field of IoT.

Graduate Teaching Assistant for Engineering Studio at OSU (2021, Fall Term)

Conducted labs meant to provide freshmen students a first exposure to various facets of engineering. HOBBIES

Reading novels, playing chess.

PRINCIPAL SUPERVISOR

Dr. John G Labram

Assistant Professor, EECS

Oregon State University

adrmjg@r.postjobfree.com

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