Hemant Verma

Physics PhD Candidate at NTU Taiwan

Exploring the frontiers of condensed matter physics and quantum materials through computational and experimental approaches

Research Interests

Density Functional Theory

Computational modeling of materials at the quantum level

Current focus: DFT simulations for novel materials design

Electron-Phonon Interactions

Investigating the coupling between electrons and lattice vibrations

Applications in: Superconductivity and thermal transport

Chemical Bonding

Studying the nature of chemical bonds in materials

Focus on: Electronic structure and bond characteristics

Experimental Perovskite Solar Cells

Developing high-efficiency photovoltaic devices

Research areas: Stability enhancement and performance optimization

Selected Publications

2024

3.

Hybrid-Protected Perovskite Quantum Dot Films with Ultra-High Efficiency and Stability for LED Backlighting

Loan Thi Ngo, Wen-Tse Huang, Hemant Verma, Yen-Huei Lin, Ling-Wei Liang, Chia-Te Fang, Jia-Cheng Chang, Wen-Chung Chu, Chaochin Su*, Chao-Cheng Kaun*, and Ru-Shi Liu*

ACS Applied Materials & Interfaces 2024, 16 (48), 66262-66272. [Link]

2.

Cascaded-Type Band Alignment of a WBG Perovskite/NBG Perovskite For Heterostructure Solar Cells

Anjali Thakran, Anisha Mohapatra, Hemant Verma, Mario Hofmann, Zeeshan Alam Ansari, Chintam Hanmandlu, Chung Hsin Lu, and Chih Wei Chu*

ACS Applied Energy Materials 2024, 7 (8), 3039-3048. [Link]

2021

1.

Enhanced Photocatalytic Activity in Strain Engineered Janus WSSe Monolayers

Hemant Verma, Abhijeet J. Kale, Chandra Prakash, Moussab Harb, Ambesh Dixit*

Journal of Electronic Materials 2021, 50, 7230-7239. [Link]

* Corresponding author

Curriculum Vitae

Hemant Verma

Hemant Verma, M.Sc. Physics

Email: verma.12@alumni.iitj.ac.in

Phone: (+886) 908 363 245

Education

Ph.D. candidate

Research Centre for Applied Sciences, Taipei, Taiwan

2021-Present

M.Sc. in Physics

Indian Institute of Technology, Jodhpur, India

2019-2021

B.Sc. in PCM

University of Rajasthan, India

2016-2019

Research Experience

Ph.D. candidate

Research Centre for Applied Sciences, Taipei, Taiwan

2021-Present

  • Investigating hot carrier dynamics in plasmonic transition metal nitrides through integrated experimental and theoretical approaches
  • Enhancing the long-term stability of perovskite solar cells, contributing to next-generation sustainable energy solutions
  • Developing innovative and efficient nanoparticle synthesis methods, including advanced grinding and dispersion techniques
  • Specializing in high-precision thin-film deposition using both solution processing and vapor deposition techniques to ensure optimal material interfaces

Master student

IIT Jodhpur

2019-2021

  • Researched photocatalytic performance of 2D transition metal dichalcogenides (TMDs) for efficient hydrogen production through water splitting (2020-21)
  • Optimized organo-halide perovskite thin films for enhanced optoelectronic performance and stability (2019-20)

Technical Skills

Fabrication of Optoelectronic Devices

  • Expert in fabricating advanced perovskite single junction and heterojunction devices, silicon/perovskite tandem architectures, and bifacial perovskite solar cells (PSCs)

Thin-film Fabrication

  • Proficient in advanced thin-film vapor deposition techniques including Atomic Layer Deposition (ALD) and Physical Vapor Deposition (PVD)
  • Skilled in multiple solution-processable thin-film deposition methods including spin coating, spray coating, dip coating, blade coating, and transfer printing techniques

X-ray/UV Photoelectron Spectroscopy

Licensed user for X-ray/UV photoelectron spectroscopy (XPS and UPS)

  • Extensive experience in conducting surface and depth profile elemental analysis of 3D/2D inorganic and organic heterostructure thin films
  • Advanced expertise in electronic work function analysis through ultraviolet photoelectron spectroscopy (UPS) measurements

Scanning Electron Microscopy

Licensed user for Scanning Electron Microscope (SEM)

  • Extensive hands-on experience in characterizing and investigating various inorganic 2D and 3D materials for advanced optoelectronic applications

Atomic Force Microscopy

Licensed user for Atomic Force Microscopy (AFM)

  • Collaborated with multiple research laboratories to analyze material surface properties and morphology using advanced AFM techniques
  • Developed specialized AFM methodologies for solar cell applications, yielding valuable insights for performance optimization

Spectroscopy and Microscopy

Experienced user in UV-Visible Spectroscopy and optical microscopy

  • Analyzed absorption spectra of polymers and fullerenes to investigate molecular stacking in bulk heterojunction thin films for organic and perovskite solar cell applications
  • Characterized optical properties of perovskite solar cells and various selective transport layers to optimize device performance

Photoluminescence Spectroscopy

Experienced user for PL measurements

  • Specialized in analyzing charge transport layer efficiency through photoluminescence intensity quenching techniques

Controlled Environment Processing

Experienced user of glovebox systems

  • Proficient in fabricating and handling sensitive perovskite devices in controlled argon and nitrogen environments

Computational Materials Science

Quantum Espresso, VASP, JDFTX

Expert in ab initio simulations for optoelectronic properties

  • Modeling electron-phonon coupling and hot carrier dynamics in transition metal nitrides for advanced optoelectronic applications
  • Conducting comprehensive analyses of photocatalytic performance in Janus TMD monolayers through band structure calculations, energy level alignment, total/joint density of states (TDOS/JDOS), and charge transfer dynamics

Fellowships and Grants

TIGP (Taiwan International Graduate Program) Fellowship

Highly competitive interdisciplinary research program supporting outstanding international Ph.D. students

2021

Inspire Scholarship

Prestigious award granted to the top 1% of students in HSC board examinations for exceptional academic performance

2016

Rajiv Gandhi Scholarship for Academic Excellence

Merit-based scholarship awarded by the Government of Rajasthan, India, recognizing outstanding academic achievements

2023

Leadership & Mentorship

  • Mentored undergraduate interns and master's students in conducting advanced dynamics experiments and data analysis
  • Provided comprehensive training to graduate students on sophisticated characterization tools including XPS, UPS, AFM, SEM, and XRD

Network & Membership

Section Editor

Indonesian Physical Review

2020-2021

Tutorials

Python Basics

Introduction to Python

Learn the basics of Python programming, including syntax, data types, and control structures.

Python Programming
View Tutorial

To be continued...

MATLAB Basics

Introduction to MATLAB

Get started with MATLAB, covering basic operations, plotting, and scripting.

MATLAB Engineering
View Tutorial

To be continued...

Contact

Email: verma.12@alumni.iitj.ac.in

Location: Research Centre for Applied Sciences, Academia Sinica, Taipei, Taiwan

Phone: (+886) 908 363 245

Academic Affiliation: National Taiwan University