Noolu. Srinivasa Manikanta Viswanath, Ph.D.

Materials Scientist & Optoelectronics Researcher
Seoul, KR.

About

Highly accomplished and self-motivated Materials Scientist with a Ph.D. and over five years of experience in pioneering the development of functional inorganic optical materials for advanced optoelectronic applications. Proven expertise in understanding complex structure-property relationships, leading to the invention of patented phosphor technologies generating $86K in royalties and securing a $1M research collaboration with Samsung Display. Adept at leading cross-functional research projects from conception to publication, driving innovation in display, energy storage, and bio-imaging applications.

Work

Hanyang University
|

Research Assistant Professor

Seoul, Seoul, Korea (Republic of)

Summary

Leading advanced research in lead-free metal halides and perovskite-inspired materials, driving innovation in optoelectronic applications and mentoring doctoral and master's students.

Highlights

Currently guiding Ph.D. and master's students in advanced synthesis, structural characterization, and optoelectronic device studies, fostering next-generation scientific talent.

Continuing to develop novel lead-free blue-emitting perovskite materials, leveraging a $1M, five-year research funding partnership with Samsung Display for next-generation display technologies.

Advancing patented phosphor technology (P20217941KR) licensed by UJL Inc., contributing to ongoing royalty generation and impactful next-generation lighting solutions.

Directing investigations into local structural features of perovskite-inspired materials, focusing on structure-device efficiency correlations and nonlinear effects for enhanced optoelectronic performance.

Hanyang University
|

Post-Doctoral Researcher

Seoul, Seoul, Korea (Republic of)

Summary

Conducted pivotal research on lead-free metal halides and perovskite-inspired materials for optoelectronic applications, contributing to significant discoveries and student mentorship.

Highlights

Invented a novel narrow blue-emitting perovskite material that secured a $1M, five-year research funding partnership with Samsung Display for advanced display technologies.

Co-invented a patented phosphor technology (P20217941KR) licensed by UJL Inc., generating $86K in royalties for next-generation lighting and display solutions.

Led investigations into local structural features in lead-free PIMs, resulting in the discovery of a zero-thermal quenching layered metal halide perovskite for white light generation.

Developed a lead-free single-component white light-emitting material for high-power LEDs and mitigated defects via compositional engineering to optimize local structure and tune emission colors.

Mentored Ph.D. and master's students in synthesis, structural characterization, and optoelectronic device studies, enhancing research capabilities.

Awarded the prestigious Seal of Excellence for a Marie Skłodowska-Curie Actions (MSCA) Postdoctoral Fellowship proposal in 2024, recognizing high scientific merit and innovation potential.

Chonnam National University
|

Graduate Research Assistant

Gwangju, Gwangju, Korea (Republic of)

Summary

Conducted extensive research on inorganic luminescent materials, leading a government-funded R&D project to develop thermally stable phosphors for high-power white light-emitting diodes.

Highlights

Directed a 5-year government-funded R&D project focused on establishing thermally stable phosphors crucial for high-power white light-emitting diode applications.

Designed a new two-photon absorption-driven upconversion luminescence material, demonstrating potential for cancer therapy and bio-imaging applications.

Collaborated with computational and photo-physics experts to develop novel luminescence materials for display applications, leveraging detailed understanding of structure-property relationships.

Developed high nonlinear response-driven varistors for high voltage surge protection in AC and DC circuits, enhancing electrical characteristics through MgO doping.

Education

Chonnam National University
Gwangju, Gwangju, Korea (Republic of)

Ph.D.

Materials Science and Engineering

Indian Institute of Technology Banaras Hindu University
Varanasi, Uttar Pradesh, India

M.Tech.

Ceramic Engineering

Andhra University
Visakhapatnam, Andhra Pradesh, India

B.Tech.

Ceramic Technology

Awards

Editorial Choice for "Underlying Dynamics of Double-Halide Perovskites"

Awarded By

ACS Applied Optical Materials

Lead author of a paper published in ACS Applied Optical Materials (2025) which was selected as an 'Editorial Choice,' highlighting its significance in next-generation optoelectronics.

Marie Skłodowska-Curie Actions (MSCA) Postdoctoral Fellowship Seal of Excellence

Awarded By

European Commission

Awarded the prestigious Seal of Excellence for a Marie Skłodowska-Curie Actions (MSCA) Postdoctoral Fellowship proposal in 2024, recognizing the high scientific merit, innovation potential, and societal relevance of research.

Innovation-Funded Collaboration with Samsung Display

Awarded By

Samsung Display / Hanyang University

Secured a five-year research funding partnership valued at $1 million with Samsung Display for the development of advanced display technologies, driven by the invention of a novel narrow blue-emitting material.

Trusted Reviewer Status

Awarded By

ECS-IOP Journal

Recognized with Trusted Reviewer status by the ECS-IOP Journal for consistent, high-quality peer review contributions to prestigious journals including Royal Society of Chemistry, American Chemical Society, and Wiley.

Patented Phosphor Technology (P20217941KR)

Awarded By

UJL Inc. / Hanyang University

Co-invented a patented phosphor technology (P20217941KR) that was licensed to UJL Inc., generating $86,000 in royalties and supporting next-generation lighting and display solutions.

Publications

Promise of Lanthanide-Based Perovskite-Inspired Materials: Expanding Horizons in Optoelectronic Applications

Published by

ACS Applied Optical Materials

Summary

Explored the potential of lanthanide-based perovskite-inspired materials for advanced optoelectronic applications.

Cr³+ and Cr⁴+ coexistence in CaAl12O19: origin and mechanism of near and shortwave infrared luminescence

Published by

Journal of the Korean Ceramic Society

Summary

Investigated the coexistence of Cr³+ and Cr⁴+ in CaAl12O19 and its impact on infrared luminescence.

Silver–Bismuth Perovskite-Inspired Materials: Chemistry, Optoelectronic Properties, and Emerging Applications in Photovoltaics and Beyond

Published by

Journal of Materials Chemistry A

Summary

Analyzed the chemistry, optoelectronic properties, and photovoltaic applications of silver-bismuth perovskite-inspired materials.

Bi-Sb Co-Alloying Tunes Photoexcited State Dynamics in (4FPEA)4AgBi1-xSbxI8 Layered Double Perovskites through Structural Confinement

Published by

Advanced Optical Materials

Summary

Demonstrated tuning of photoexcited state dynamics in layered double perovskites via Bi-Sb co-alloying and structural confinement.

A new insight into high-performance NiS2@ g-C3N4 anode for lithium-ion batteries-a DFT calculation and ex-situ XPS approach

Published by

Journal of Power Sources

Summary

Provided new insights into high-performance NiS2@g-C3N4 anodes for lithium-ion batteries using DFT and XPS.

Structural-disorder-induced enhancement of second-harmonic generation in bismuth-based perovskite-inspired materials

Published by

Newton

Summary

Explored how structural disorder enhances second-harmonic generation in bismuth-based perovskite-inspired materials.

The Promise of Operational Stability in Pnictogen-Based Perovskite-Inspired Solar Cells

Published by

EES Solar

Summary

Evaluated the operational stability of pnictogen-based perovskite-inspired solar cells.

Underlying Dynamics of Double-Halide Perovskites: Unraveling Structural Complexity, Bandgap Modulation, Optical, and Carrier Dynamics for Next-Generation Optoelectronics

Published by

ACS Applied Optical Materials

Summary

Unraveled the complex dynamics of double-halide perovskites for next-generation optoelectronics.

Solution-Processed Tin-Antimony Quaternary Chalcohalides for Self-Powered Broadband Photodetectors

Published by

Solar RRL

Summary

Developed solution-processed tin-antimony quaternary chalcohalides for self-powered broadband photodetectors.

Highly Luminescent Manganese-Doped 2D Hybrid Perovskite Nanoplatelets with Dual Emissions Controlled Through Layer Thickness Modulation

Published by

Advanced Optical Materials

Summary

Created highly luminescent manganese-doped 2D hybrid perovskite nanoplatelets with tunable dual emissions.

Large-Scale Mechanochemical Synthesis of Cesium Lanthanide Chloride for Radioluminescence

Published by

Inorganic Chemistry

Summary

Achieved large-scale mechanochemical synthesis of cesium lanthanide chloride for radioluminescence applications.

Highly Emissive Lanthanide-Based OD Metal Halide Nanocrystals for Efficient Ultraviolet Photodetector

Published by

Small

Summary

Developed highly emissive lanthanide-based 0D metal halide nanocrystals for efficient UV photodetectors.

Cerium-Sensitized Highly Emissive OD Cesium Cerium Terbium Chloride Alloy Nanocrystals for White Light Emission

Published by

Advanced Optical Materials

Summary

Engineered cerium-sensitized 0D cesium cerium terbium chloride alloy nanocrystals for white light emission.

Demystifying role of local distortion in emission colors tuning of lead-free zero-dimensional metal halide nanocrystals

Published by

Chemical Engineering Journal

Summary

Investigated the role of local distortion in tuning emission colors of lead-free zero-dimensional metal halide nanocrystals.

Advanced HIL strategies in QLEDs: V2O5 and PEDOT: PSS dual-layer for charge balance and electron leakage prevention

Published by

Journal of Materials Chemistry C

Summary

Implemented advanced HIL strategies in QLEDs using V2O5 and PEDOT: PSS for improved charge balance and electron leakage.

Lone-Pair-Driven, Brightly Emitting Lead-Free Zero-Dimensional Inorganic Luminescent Member

Published by

Advanced Optical Materials

Summary

Developed brightly emitting lead-free zero-dimensional inorganic luminescent materials driven by lone-pair interactions.

Antimony-Bismuth Alloying: The Key to a Major Boost in the Efficiency of Lead-Free Perovskite-Inspired Photovoltaics

Published by

Small

Summary

Identified antimony-bismuth alloying as a key strategy to boost efficiency in lead-free perovskite-inspired photovoltaics.

Experimental and Computational Study of Elasticoluminsecence in Gd2O2S:Tb3+: Implications for Mechanoluminescence Origins

Published by

ECS Journal of Solid-State Science and Technology

Summary

Conducted experimental and computational studies on elasticoluminsecence in Gd2O2S:Tb3+ for mechanoluminescence origins.

Intense Hydrochromic Photon Upconversion from Lead-Free Zero-Dimensional Metal Halides For Water Detection and Information Encryption

Published by

Advanced Materials

Summary

Achieved intense hydrochromic photon upconversion from lead-free zero-dimensional metal halides for water detection and information encryption.

Utilizing VO2 as a Hole Injection Layer for Efficient Charge Injection in Quantum Dot Light-Emitting Diodes Enables High Device Performance

Published by

ACS Applied Materials & Interfaces

Summary

Demonstrated the use of VO2 as a hole injection layer to enable high device performance in quantum dot light-emitting diodes.

Recent progress in lanthanide-based metal halide perovskites: Synthesis, properties, and applications

Published by

Optical Materials: X

Summary

Reviewed recent progress in the synthesis, properties, and applications of lanthanide-based metal halide perovskites.

BiOCI1-xBrx Solid Solution-Novel Synthesis, Highly-efficient Visible-light-driven Photocatalyst, and DFT Study

Published by

Journal of Alloys and Compounds

Summary

Presented a novel synthesis and DFT study of BiOCI1-xBrx solid solution as a highly efficient visible-light-driven photocatalyst.

Role of Self-Trapped Excitons in the Broadband Emission of Lead-Free Perovskite-Inspired Cu2AgBiI6

Published by

The Journal of Physical Chemistry Letters

Summary

Investigated the role of self-trapped excitons in the broadband emission of lead-free perovskite-inspired Cu2AgBiI6.

Thermally Stable Self-Trapped Assisted Single-Component White Light from Lead-Free Zero-Dimensional Metal Halide Nanocrystals

Published by

Advanced Optical Materials

Summary

Achieved thermally stable self-trapped assisted single-component white light from lead-free zero-dimensional metal halide nanocrystals.

Highly Stable Zero-Dimensional Lead-Free Metal Halides for X-ray Imaging

Published by

ACS Energy Letters

Summary

Developed highly stable zero-dimensional lead-free metal halides suitable for X-ray imaging applications.

Three-Dimensional Lead Halide Perovskites Embedded in Zero-Dimensional Lead Halide Perovskites: Synthesis, Stability, and Applications

Published by

ACS Applied Electronic Materials

Summary

Explored the synthesis, stability, and applications of 3D lead halide perovskites embedded in 0D lead halide perovskites.

Prussian Blue Decorated g-C3N4-From Novel Synthesis to Insight Study on Charge Transfer Strategy for Improving Visible-light Driven Photo-Fenton Catalytic Activity

Published by

Journal of Alloys and Compounds

Summary

Investigated Prussian Blue decorated g-C3N4 for improving visible-light driven Photo-Fenton catalytic activity.

Zero-Thermal-Quenching Layered Metal Halide Perovskite

Published by

Chemistry of Materials

Summary

Discovered a zero-thermal-quenching layered metal halide perovskite with enhanced performance.

Correlated Na⁺ ion migration invokes zero-thermal-quenching in sodium superionic conductors-type phosphors

Published by

Chemistry of Materials

Summary

Demonstrated how correlated Na+ ion migration induces zero-thermal-quenching in sodium superionic conductors-type phosphors.

Octahedral distortion driven by CsPbI3 nanocrystal reaction temperature-the effects on phase stability and beyond

Published by

Nanoscale

Summary

Analyzed the effects of octahedral distortion driven by CsPbI3 nanocrystal reaction temperature on phase stability.

Third-Order Nonlinear Optical Response-Driven Upconversion Phosphors

Published by

Advanced Optical Materials

Summary

Investigated third-order nonlinear optical response-driven upconversion phosphors for various applications.

Low-temperature synthesis of Fe2(MoO4)3 nanosheets: A cathode for sodium-ion batteries with kinetics enhancement

Published by

Nano Research

Summary

Developed a low-temperature synthesis of Fe2(MoO4)3 nanosheets for enhanced kinetics in sodium-ion battery cathodes.

Strategies for improving luminescence efficiencies of blue-emitting metal halide perovskites

Published by

Journal of the Korean Ceramic Society

Summary

Explored strategies to improve the luminescence efficiencies of blue-emitting metal halide perovskites.

Zero-thermal-quenching and improved chemical stability of a UCr4C4-type phosphor via crystal site engineering

Published by

Chemical Engineering Journal

Summary

Achieved zero-thermal-quenching and improved chemical stability in UCr4C4-type phosphors through crystal site engineering.

Mechanochemistry is a green route: Synthesis, thermal stability, and post-synthetic reversible phase transformation of highly luminescent cesium copper halides

Published by

The Journal of Physical Chemistry Letters

Summary

Demonstrated mechanochemistry as a green route for synthesizing highly luminescent cesium copper halides with thermal stability.

Robust, Brighter Red Emission from CsPbI3 Perovskite Nanocrystals via Endotaxial Protection

Published by

The Journal of Physical Chemistry Letters

Summary

Achieved robust and brighter red emission from CsPbI3 perovskite nanocrystals through endotaxial protection.

A new persistent blue-emitting phosphor: Tailoring the trap density for enhancing the persistent time

Published by

Applied Materials Today

Summary

Developed a new persistent blue-emitting phosphor by tailoring trap density to enhance persistent luminescence time.

Critical Review—A Promising CS3CoCl5 Prototype Phosphor toward the Discovery of Next-Generation LED Phosphor

Published by

ECS Journal of Solid-State Science and Technology

Summary

Provided a critical review on CS3CoCl5 as a promising prototype phosphor for next-generation LED applications.

Highly stable hetero-structured green-emitting cesium lead bromide nanocrystals via ligand-mediated phase control

Published by

Nanoscale

Summary

Synthesized highly stable hetero-structured green-emitting cesium lead bromide nanocrystals using ligand-mediated phase control.

A nanosheet phosphor of double-layered perovskite with unusual intrananosheet site activator concentration

Published by

Chemical Engineering Journal

Summary

Developed a nanosheet phosphor of double-layered perovskite featuring unusual intrananosheet site activator concentration.

Structural and Optical Properties of Yellow-Emitting CaGd2ZrSc(AIO4)3:Ce³+ Phosphor for Solid-State Lighting

Published by

Journal of the Korean Ceramic Society

Summary

Investigated the structural and optical properties of yellow-emitting CaGd2ZrSc(AIO4)3:Ce³+ phosphor for solid-state lighting.

phosphor plates for high-power LED applications: challenges and opportunities toward perfect lighting

Published by

ECS Journal of solid-state science and technology

Summary

Addressed challenges and opportunities in developing phosphor plates for high-power LED applications towards perfect lighting.

Effect of sintering temperature on electrical characteristics of ZnO-0.5 mol% V2O5-2 mol% MnO varistors

Published by

Adv. Mater. Sci. Res

Summary

Analyzed the effect of sintering temperature on the electrical characteristics of ZnO-based varistors.

Effect of MgO doping on electrical characteristics of ZnO-0.5 mol% V2O5-2mol% MnO varistors

Published by

Journal of Materials Science: Materials in Electronics

Summary

Investigated the impact of MgO doping on the electrical characteristics of ZnO-based varistors.

Languages

English

Skills

Structural Characterization

X-ray Diffraction, Rietveld Refinement, Distortion Index Calculations, Bond Valence Calculations, Bond Valence Surface Energy Calculations, Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM).

Spectroscopy

Steady-state Photoluminescence Spectroscopy, Time-correlated Photoluminescence Spectroscopy, X-ray Near-Edge Absorption Spectroscopy, UV-VIS Spectroscopy, Impedance Spectroscopy, X-ray Photoelectron Spectroscopy (XPS).

Materials Synthesis

High-Temperature Solid-State Reaction, Hydrothermal Synthesis, Coprecipitation.

Device Engineering

Prototype WLED Fabrication, Optoelectronic Device Studies.

Computational Tools

GSAS, Soft BV Programme, GUI_Bond Program, DFT Calculation.

Research & Development

Project Leadership, Cross-functional Team Collaboration, Scientific Communication, Mentorship, Material Innovation, Data Analysis, Scientific Writing, Peer Review.

Materials Science

Functional Materials, Inorganic Optical Materials, Perovskite-Inspired Materials (PIMs), Lead-Free Metal Halides, Luminescent Materials, Optoelectronic Applications, Display Technologies, Energy Storage, Photovoltaics, LEDs, Varistors.