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HNG Laboratory

@HngLaboratory

Ultrafast Laboratory, NISER Bhubaneswar & INST Mohali Group Leader: Prof. Hirendra N. Ghosh Transient Absorption and THz Spectroscopy

 INDIA
scholar.google.co.in/citations?user=0fyt04MAAAAJ&hl=en
Joined September 2020
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Photo by HNG Laboratory (@HngLaboratory)Photo by HNG Laboratory (@HngLaboratory)
Check out our paper titled "Intensity-driven Mott-like transition in a 2D Ruddlesden-Popper perovskite" share.google/7sftxq5t8RUwSjv…
Intensity-driven Mott-like transition in a 2D Ruddlesden-Popper perovskite

Intensity-driven Mott-like transition in a 2D Ruddlesden-Popper perovskite

Two-dimensional Ruddlesden-Popper-type halide perovskites have emerged as promising cutting-edge nonlinear optical materials due to their strong excitonic effects and carrier-density-dependent...

arxiv.org
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Check out our paper entitled "Conformational Control and Charge Separation Dynamics in Perylene Bisimide-based Donor-Acceptor Polymers" | ChemRxiv share.google/j4Xa1KE0mimGVck…
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Check out our paper entitled "Ultrafast Insights into the Dual-Plasmonic Interaction and Interfacial Charge Separation in the Janus-Type Au-CuxInyS Heterostructure" pubs.acs.org/aamick/article-…

Ultrafast Insights into the Dual-Plasmonic Interaction and Interfacial Charge Separation in the...

AbstractEfficient extraction of hot carriers remains a major challenge in plasmonic systems due to their ultrafast relaxation and recombination dynamics. H

pubs.acs.org
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Check out our recent publication - Thiourea-Mediated Photoinduced Electron Transfer in Water pubs.acs.org/jpclcd/article/…

Thiourea-Mediated Photoinduced Electron Transfer in Water

Abstract. Thiourea (TU) is a versatile functional scaffold in catalysis, sensing, and medicinal chemistry, owing to its strong electron-donating character.

pubs.acs.org
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Check out our recent publication entitled - Trion Modulation in Gold‐Tungsten di‐Sulfide Heterojunction - Bhatt - 2026 - Advanced Optical Materials - Wiley Online Library advanced.onlinelibrary.wiley…
Trion Modulation in Gold‐Tungsten di‐Sulfide Heterojunction

Trion Modulation in Gold‐Tungsten di‐Sulfide Heterojunction

A comprehensive spectroscopic investigation is conducted to showcase the trion modulation in monolayer WS2 within the Au plasmonic environment. The steady-state photoluminescence and transient...

advanced.onlinelibrary.wiley.com
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Check out our recent publication entitled - Efficient photosensitization and surface ligand-controlled ultrafast electron transfer in copper nanoclusters in aqueous media doi.org/10.1039/d6nr01849a
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Check out our recent article entitled - Photobasicity of excitation dependent full color light emitting carbon Dots: role of surface functional groups doi.org/10.1039/d6nr01940d
Photobasicity of excitation dependent full color light emitting carbon Dots: role of surface...

Photobasicity of excitation dependent full color light emitting carbon Dots: role of surface...

Photobases are materials that exhibit enhanced basicity in their excited states and play a significant role in applications such as photocatalytic chemical

pubs.rsc.org
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Check out our recent article entitled - Deciphering the S-scheme carrier transfer dynamics of a CdS–ZnCdS heterostructure for enhanced hydrogen evolution: an ultrafast approach doi.org/10.1039/d6nr01377e
Deciphering the S-scheme carrier transfer dynamics of a CdS–ZnCdS heterostructure for enhanced...

Deciphering the S-scheme carrier transfer dynamics of a CdS–ZnCdS heterostructure for enhanced...

S-Scheme heterostructures have proved their proficiency as state-of-the-art photocatalysts due to their unique ability to segregate photogenerated carriers

pubs.rsc.org
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Check out our recent article entitled - Elucidating interfacial charge extraction from CdTe@ZnS quantum dots by pyridinium ionic liquids doi.org/10.1039/d6nr01193d
Elucidating interfacial charge extraction from CdTe@ZnS quantum dots by pyridinium ionic liquids

Elucidating interfacial charge extraction from CdTe@ZnS quantum dots by pyridinium ionic liquids

Interfacial defects, energy-level mismatch, and material instability at the electron transport layer (ETL)/quantum dot (QD) interface have remained major b

pubs.rsc.org
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Check out our work entitled "Atomic‐Level Synergy of Dual Single‐Atom Catalysts for Photocatalytic Hydrogen Evolution Reaction" - Small - Wiley Online Library onlinelibrary.wiley.com/doi/… Congratulation @Hbhatt1507
Atomic‐Level Synergy of Dual Single‐Atom Catalysts for Photocatalytic Hydrogen Evolution Reaction

Atomic‐Level Synergy of Dual Single‐Atom Catalysts for Photocatalytic Hydrogen Evolution Reaction

Atomically dispersed Ag-Cu dual single-atom sites embedded in g-C3N4 (AgCu-CN) enable efficient photocatalytic hydrogen evolution, achieving 2126 µmol g−1 h−1 and 20% AQY at 400 nm. The synergistic...

onlinelibrary.wiley.com
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Check out our recent publication entitled "Architecture of Anisotropic One-Dimensional Gold-CsPbBr3 Perovskite Nanorod Epitaxial Heterostructure for Efficient Charge Separation" doi.org/10.1021/acs.jpcc.5c0…
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Check out our publication entitled "Plasmon‐Exciton Interaction Induced Efficient Charge Separation in Cu2‐xS‐CsPbBr3 Heterostructure" - Kharbanda - 2026 - Small - Wiley Online Library onlinelibrary.wiley.com/doi/…
Plasmon‐Exciton Interaction Induced Efficient Charge Separation in Cu2‐xS‐CsPbBr3 Heterostructure

Plasmon‐Exciton Interaction Induced Efficient Charge Separation in Cu2‐xS‐CsPbBr3 Heterostructure

Non-stoichiometric plasmonic semiconductors such as Cu2-xS have emerged as promising materials for energy conversion applications owing to their tunable band gaps, cost-effectiveness, and ability to...

onlinelibrary.wiley.com
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Check out our recent publication entiled "Ultrafast plasmonic hot-hole transfer mediated efficient charge separation in a Cu2−xS/CdZnS heterostructure" - now published in Journal of Materials Chemistry A pubs.rsc.org/en/content/arti…

Ultrafast plasmonic hot-hole transfer mediated efficient charge separation in a Cu2−xS/CdZnS...

Heterostructure engineering offers a powerful route for hot-carrier harvesting, where band alignment dictates charge-carrier transfer. Although plasmonic m

pubs.rsc.org
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Check out our recent work entitled "Chromophore-assisted plasmonic catalysis: Au–BODIPY–Pd nanocomposite for efficient Suzuki coupling in water - now published in Nanoscale" pubs.rsc.org/en/content/arti… Congratulation @NitikaKharbanda
Chromophore-assisted plasmonic catalysis: Au–BODIPY–Pd nanocomposite for efficient Suzuki coupling...

Chromophore-assisted plasmonic catalysis: Au–BODIPY–Pd nanocomposite for efficient Suzuki coupling...

A plasmonic nanocomposite composed of gold and palladium nanoparticles, in conjunction with a BODIPY chromophore, was synthesized and explored as an effici

pubs.rsc.org
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Check out the fundamental work on plasmonic-2D heterostucture through the lens of femtosecond transient absorption spectroscopy Exciton–Plasmon Driven Hot Carriers’ Extraction in Cu2-xS/WS2 Heterostructure | The Journal of Physical Chemistry Letters pubs.acs.org/doi/full/10.102…
Exciton–Plasmon Driven Hot Carriers’ Extraction in Cu2‑xS/WS2 Heterostructure

Exciton–Plasmon Driven Hot Carriers’ Extraction in Cu2‑xS/WS2 Heterostructure

Abstract. Hot charge carrier extraction serves as a promising strategy for enhancing the performance of light-driven optoelectronic devices. The integratio

pubs.acs.org
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Check out our recent publication titled "Epitaxial Ag‐CsPbBr3 Perovskite Nanocrystal Heterostructures: Multi‐Facets Orientations, Suppressed Plasmon and Efficient Charge Transfer" Congratulation @Behera_Rakesh93 @NitikaKharbanda @Hbhatt1507 onlinelibrary.wiley.com/doi/…
Epitaxial Ag‐CsPbBr3 Perovskite Nanocrystal Heterostructures: Multi‐Facets Orientations, Suppressed...

Epitaxial Ag‐CsPbBr3 Perovskite Nanocrystal Heterostructures: Multi‐Facets Orientations, Suppressed...

Facets matter for the formation of epitaxial heterostructures and this has been reported for plasmonic Ag(0) with different shapes of lead halide perovskite CsPbBr3 nanocrystals. This also showed...

onlinelibrary.wiley.com
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Check our recent publication titled "Architecting Core–Shell S‐Scheme Interfaces for Photocatalytic Conversion of Cellulosic Biomass‐Based Feedstock to Biofuel and H2 Generation: A Paradigm for Photo‐Biorefinery" advanced.onlinelibrary.wiley… Congratulations @Hbhatt1507 @SdevaManvi
Architecting Core–Shell S‐Scheme Interfaces for Photocatalytic Conversion of Cellulosic Biomass‐B...

Architecting Core–Shell S‐Scheme Interfaces for Photocatalytic Conversion of Cellulosic Biomass‐B...

Photocatalytic valorization of renewable non-edible cellulosic biomass derived platform chemical, levulinic acid into γ-valerolactone synergistically with H2 generation demonstrates carbon-neutral...

advanced.onlinelibrary.wiley.com
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Check out our recent publication titled "Sulfone‐Functionalized Covalent Heptazine Polymeric Networks for Selective CO2 Photoreduction in Water: Mechanistic Insights into Sacrificial Donor‐Dependent Selectivity" Congratulations @Hbhatt1507 @SdevaManvi advanced.onlinelibrary.wiley…

Sulfone‐Functionalized Covalent Heptazine Polymeric Networks for Selective CO2 Photoreduction in...

This study demonstrates efficient CO2 photoreduction in water using sulfone-functionalized covalent heptazine polymeric networks. Triethylamine (TEA) addition switches selectivity from CO to CH4....

advanced.onlinelibrary.wiley.com
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Chech out our recent article entitled 'The Retarded Hot Carrier Relaxation and Augmented Photoconductivity in Eu3+-Doped CsPbBr3 Nanocrystals | ACS Photonics' pubs.acs.org/doi/full/10.102… @ACSPublications @ACSPhotonics
The Retarded Hot Carrier Relaxation and Augmented Photoconductivity in Eu3+-Doped CsPbBr3 Nanocry...

The Retarded Hot Carrier Relaxation and Augmented Photoconductivity in Eu3+-Doped CsPbBr3 Nanocry...

Abstract. Rapid hot carrier relaxation is the foremost hurdle in harnessing solar energy, and reducing hot carrier relaxation remains one of the most signi

pubs.acs.org
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My former PhD advisor got the Nobel Prize (John Clarke at Berkeley). It was without question the dullest work I’ve ever done in life and should have left earlier.
The Nobel Prize (@NobelPrize) profile pictureThe Nobel Prize
@NobelPrize7 Oct 2025
BREAKING NEWS The Royal Swedish Academy of Sciences has decided to award the 2025 #NobelPrize in Physics to John Clarke, Michel H. Devoret and John M. Martinis “for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit.”
Image from The Nobel Prize (@NobelPrize)
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