Research Explorer

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Researcher

Ranjith Karuparambil Ramachandran

Awards & Distinctions

50 Results

2022

Aligning time-resolved kinetics (TAP) and surface spectroscopy (AP-XPS) for a more comprehensive understanding of ALD-derived 2D and 3D model catalysts

Evgeniy A. RedekopHilde PoelmanMatthias FilezRanjith Karuparambil RamachandranJolien DendoovenChristophe DetavernierGuy MarinUnni OlsbyeVladimir Galvita

A1 Journal Article in FARADAY DISCUSSIONS

Selective vapor-phase doping of Pt nanoparticles into phase-controlled nanoalloys

Nithin PoonkottilRanjith Karuparambil RamachandranEduardo Solano MinuesaNadadur Veeraraghavan SrinathJi-Yu FengAndreas WerbrouckMichiel Van DaeleMatthias FilezMatthias MinjauwHilde Poelman et al.

A1 Journal Article in JOURNAL OF PHYSICAL CHEMISTRY C

Shuffling atomic layer deposition gas sequences to modulate bimetallic thin films and nanoparticle properties

Matthias FilezJi-Yu FengMatthias MinjauwEduardo Solano MinuesaNithin PoonkottilMichiel Van DaeleRanjith Karuparambil RamachandranChen LiSara BalsHilde Poelman et al.

A1 Journal Article in CHEMISTRY OF MATERIALS

2021

Controlled synthesis of Fe-Pt nanoalloys using atomic layer deposition

Ranjith Karuparambil RamachandranJolien DendoovenChristophe Detavernier

A1 Journal Article in NANOTECHNOLOGY

Heterostructured plasmonic memristors with tunable opto-synaptic functionalities

Mohammad Karbalaei AkbariRanjith Karuparambil RamachandranChristophe DetavernierJie HuJoondong KimFrancis VerpoortSerge Zhuiykov

A1 Journal Article in JOURNAL OF MATERIALS CHEMISTRY C

In situ XAS/SAXS study of Al2O3-coated PtGa catalysts for propane dehydrogenation

Nadadur Veeraraghavan SrinathAlessandro LongoHilde PoelmanRanjith Karuparambil RamachandranJi-Yu FengJolien DendoovenMarie-Françoise ReyniersVladimir Galvita

A1 Journal Article in ACS CATALYSIS

In situ study of noble metal atomic layer deposition processes using grazing incidence small angle X-ray scattering

Jolien DendoovenE. SolanoJi-Yu FengRanjith Karuparambil RamachandranMatthias MinjauwMichiel Van DaeleA. CoatiD. Hermida-MerinoChristophe Detavernier

Tuning size and coverage of Pd nanoparticles using atomic layer deposition

Ji-Yu FengRanjith Karuparambil RamachandranEduardo Solano MinuesaMatthias MinjauwMichiel Van DaeleAndre VantommeDaniel Hermida-MerinoAlessandro CoatiHilde PoelmanChristophe Detavernier et al.

A1 Journal Article in APPLIED SURFACE SCIENCE

Vapor phase conversion of Pt nanoparticles into Pt-Sn bimetallic nanoparticles

Nithin PoonkottilRanjith Karuparambil RamachandranEduardo Solano MinuesaNadadur Veeraraghavan SrinathJi-Yu FengAndreas WerbrouckMichiel Van DaeleMatthias MinjauwMatthias FilezHilde Poelman et al.

2020

Creation of gallium acid and platinum metal sites in bifunctional zeolite hydroisomerization and hydrocracking catalysts by atomic layer deposition

Lisa GeertsRanjith Karuparambil RamachandranJolien DendoovenSambhu RadhakrishnanJin Won SeoChristophe DetavernierJohan MartensSreeprasanth Pulinthanathu Sree

A1 Journal Article in CATALYSIS SCIENCE & TECHNOLOGY

In situ study of the thermal stability of supported Pt nanoparticles and their stabilization via atomic layer deposition overcoating

Eduardo Solano MinuesaJolien DendoovenJi-Yu FengPhilipp BruenerMatthias MinjauwRanjith Karuparambil RamachandranMichiel Van DaeleKevin Van de KerckhoveThomas DobbelaereAlessandro Coati et al.

A1 Journal Article in NANOSCALE

Surface mobility and impact of precursor dosing during atomic layer deposition of platinum : in situ monitoring of nucleation and island growth

Jolien DendoovenMichiel Van DaeleEduardo SolanoRanjith Karuparambil RamachandranMatthias MinjauwAndrea RestaAlina VladYves GarreauAlessandro CoatiGiuseppe Portale et al.

A1 Journal Article in PHYSICAL CHEMISTRY CHEMICAL PHYSICS

The co-reactant role during plasma enhanced atomic layer deposition of palladium

Ji-Yu FengMatthias MinjauwRanjith Karuparambil RamachandranMichiel Van DaeleHilde PoelmanTimo SajavaaraJolien DendoovenChristophe Detavernier

A1 Journal Article in PHYSICAL CHEMISTRY CHEMICAL PHYSICS

2019

Catalytic carpets : Pt@MOF@electrospun PCL, a surprisingly active and robust hydrogenation catalyst

Karen LeusChidharth KrishnarajVéronique CremersJolien DendoovenRanjith Karuparambil RamachandranPeter DubruelPascal Van Der Voort

Chemical and structural configuration of Pt-doped metal oxide thin films prepared by atomic layer deposition

Ranjith Karuparambil RamachandranMatthias FilezEduardo Solano MinuesaHilde PoelmanMatthias MinjauwMichiel Van DaeleJi-Yu FengAndrea La PortaThomas AltantzisEmiliano Fonda et al.

A1 Journal Article in CHEMISTRY OF MATERIALS

Formation and functioning of bimetallic nanocatalysts : the power of X-ray probes

Matthias FilezEvgeniy A RedekopJolien DendoovenRanjith Karuparambil RamachandranEduardo SolanoUnni OlsbyeBert M WeckhuysenVladimir GalvitaHilde PoelmanChristophe Detavernier et al.

A1 Journal Article in ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Plasma-enhanced atomic layer deposition of nanostructured gold near room temperature

Michiel Van DaeleMatthew BE GriffithsAli RazaMatthias MinjauwEduardo SolanoJi-Yu FengRanjith Karuparambil RamachandranStéphane ClemmenRoel BaetsSeán T Barry et al.

A1 Journal Article in ACS APPLIED MATERIALS & INTERFACES

Selective ablation of biological tissue and single cells on a glass substrate by controlling the laser energy density of nanosecond 193 nm laser radiation

Thibaut Van AckerStijn Van MalderenLegna Colina-VegasRanjith Karuparambil RamachandranFrank Vanhaecke

A1 Journal Article in JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY

Sonochemical functionalization of the low-dimensional surface oxide of Galinstan for heterostructured optoelectronic applications

Mohammad Karbalaei AkbariZhenyin HaiZihan WeiRanjith Karuparambil RamachandranChristophe DetavernierMalkeshkumar PatelJoondong KimFrancis VerpoortHongliang LuSerge Zhuiykov

A1 Journal Article in JOURNAL OF MATERIALS CHEMISTRY C

Ultra-thin sub-10 nm Ga2O3-WO3 heterostructures developed by atomic layer deposition for sensitive and selective C2H5OH detection on ppm level

Zihan WeiMohammad Karbalaei AkbariZhenyin HaiRanjith Karuparambil RamachandranChristophe DetavernierFrancis VerpoortEugene KatsHongyan XuJie HuSerge Zhuiykov

A1 Journal Article in SENSORS AND ACTUATORS B-CHEMICAL

Wafer-scale fabrication of sub-10 nm TiO2-Ga2O3 n-p heterojunctions with efficient photocatalytic activity by atomic layer deposition

Hongyan XuFeng HanChengkai XiaSiyan WangRanjith Karuparambil RamachandranChristophe DetavernierMinsong WeiLiwei LinSerge Zhuiykov

A1 Journal Article in NANOSCALE RESEARCH LETTERS

Wafer-scale fabrication of sub-10nm TiO2-Ga2O3 n-p heterojunctions with efficient photocatalytic activity by atomic layer deposition (vol 14, 163, 2019)

Hongyan XuFeng HanChengkai XiaSiyan WangRanjith Karuparambil RamachandranChristophe DetavernierMinsong WeiLiwei LinSerge Zhuiykov

2018

A Synchrotron’s View on Birth, Life and Death of Pt-In Catalysts

Hilde PoelmanMatthias FilezEvgeniy RedekopVladimir GalvitaM. MeledinaG. Van TendelooRanjith Karuparambil RamachandranJolien DendoovenChristophe DetavernierGuy Marin

Catalytic carpets : Pt@MIL-101@electrospun PCL, a surprisingly active and robust hydrogenation catalyst

Karen LeusChidharth KrishnarajLuca VerhoevenVéronique CremersJolien DendoovenRanjith Karuparambil RamachandranPeter DubruelPascal Van Der Voort

A1 Journal Article in JOURNAL OF CATALYSIS

Catalytic carpets : Pt@MOF@electrospun PCL, a surprisingly active and robust hydrogenation catalyst

Karen LeusChidharth KrishnarajVéronique CremersJolien DendoovenRanjith Karuparambil RamachandranPeter DubruelPascal Van Der Voort

Hydrogen evolution at the buried interface between Pt thin films and silicon oxide nanomembranes

Natalie Y LabradorEva L SongcuanChathuranga De SilvaHan ChenSophia J KurdzielRanjith Karuparambil RamachandranChristophe DetavernierDaniel V Esposito

A1 Journal Article in ACS CATALYSIS

Kinetics of lifetime changes in bimetallic nanocatalysts revealed by quick X-ray absorption spectroscopy

Matthias FilezHilde PoelmanEvgeniy RedekopVladimir GalvitaKonstantinos AlexopoulosMaria MeledinaRanjith Karuparambil RamachandranJolien DendoovenChristophe DetavernierGustaaf Van Tendeloo et al.

A1 Journal Article in ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Molecular layer deposition using ring-opening reactions : molecular modeling of the film growth and the effects of hydrogen peroxide

Laura KeskiväliMatti PutkonenEini PuhakkaEija KenttaJeroen KintRanjith Karuparambil RamachandranChristophe DetavernierPekka Simell

A1 Journal Article in ACS OMEGA

2017

3D porous nanostructured platinum prepared using atomic layer deposition

Sreeprasanth Pulinthanathu SreeJolien DendoovenL GeertsRanjith Karuparambil RamachandranE JavonF CeyssensE BreynaertCEA KirschhockR PuersT Altantzis et al.

A1 Journal Article in JOURNAL OF MATERIALS CHEMISTRY A

Atomic layer deposition for catalysis

Ranjith Karuparambil RamachandranChristophe DetavernierJolien Dendooven

Bookchapter in Nanotechnology in catalysis : applications in the chemical industry, energy development, and environment protection

Atomic layer deposition of metals and metal oxides : towards the synthesis of bimetallic materials

Ranjith Karuparambil RamachandranChristophe DetavernierHilde Poelman

Atomic layer deposition of nanoalloys of noble and non-noble metals

Ranjith Karuparambil RamachandranJolien DendoovenMatthias FilezVladimir GalvitaHilde PoelmanEduardo Solano MinuesaMatthias MinjauwGuy MarinChristophe Detavernier

A2 Journal Article in ECS TRANSACTIONS

Independent tuning of size and coverage of supported Pt nanoparticles using atomic layer deposition

Jolien DendoovenRanjith Karuparambil RamachandranEduardo Solano MinuesaMert KurttepeliLisa GeertsGino HeremansJan RongeMatthias MinjauwThomas DobbelaereKilian Devloo-Casier et al.

A1 Journal Article in NATURE COMMUNICATIONS

Key role of surface oxidation and reduction processes in the coarsening of Pt nanoparticles

Eduardo Solano MinuesaJolien DendoovenMatthias MinjauwRanjith Karuparambil RamachandranKevin Van de KerckhoveThomas DobbelaereDaniel Hermida-MerinoChristophe Detavernier

A1 Journal Article in NANOSCALE

Plasma enhanced atomic layer deposition of silver using the Ag(fod)(PEt₃)-precursor and NH₃-plasma

Matthias MinjauwEduardo Solano MinuesaSree Pulinthanathu SreeRamesh AsapuMichiel Van DaeleRanjith Karuparambil RamachandranSammy VerbruggenSilvia LenaertsJohan MartensChristophe Detavernier et al.

Plasma enhanced atomic layer deposition of silver using the Ag(fod)(PEt₃)-precursor and NH₃-plasma

Matthias MinjauwEduardo Solano MinuesaSree Pulinthanathu SreeRamesh AsapuMichiel Van DaeleRanjith Karuparambil RamachandranSammy VerbruggenSilvia LenaertsJohan MartensChristophe Detavernier et al.

Plasma-enhanced atomic layer deposition of silver Using Ag(fod)(PEt3) and NH3-plasma

Matthias MinjauwEduardo Solano MinuesaSreeprasanth Pulinthanathu SreeRamesh AsapuMichiel Van DaeleRanjith Karuparambil RamachandranGino HeremansSammy W VerbruggenSilvia LenaertsJohan A Martens et al.

A1 Journal Article in CHEMISTRY OF MATERIALS

Size- and composition-controlled Pt–Sn bimetallic nanoparticles prepared by atomic layer deposition

Ranjith Karuparambil RamachandranMatthias FilezJolien DendoovenVladimir GalvitaHilde PoelmanEduardo Solano MinuesaEmiliano FondaGuy MarinChristophe Detavernier

A1 Journal Article in RSC ADVANCES

Synthesis of Bimetallic Nanoparticles with Tailored Size and Composition

Ranjith Karuparambil RamachandranJolien DendoovenMatthias FilezVladimir GalvitaHilde PoelmanEduardo Solano MinuesaMatthias MinjauwKilian Devloo-CasierE. Fonda

2016

Atomic layer deposition of Pt nanoparticles within the cages of MIL-101 : a mild and recyclable hydrogenation catalyst

Karen LeusJolien DendoovenNorini TahirRanjith Karuparambil RamachandranMaria MeledinaStuart TurnerGustaaf Van TendelooJan GoemanJohan Van der EyckenChristophe Detavernier et al.

A1 Journal Article in NANOMATERIALS

Atomic layer deposition route to tailor nanoalloys of noble and non-noble metals

Ranjith Karuparambil RamachandranJolien DendoovenMatthias FilezVladimir GalvitaHilde PoelmanEduardo Solano MinuesaMatthias MinjauwKilian Devloo-CasierEmiliano FondaDaniel Hermida-Merino et al.

A1 Journal Article in ACS NANO

Direct imaging of ALD deposited Pt nanoclusters inside the giant pores of MIL-101

Maria MeledinaStuart TurnerMaria FilippousiKaren LeusIvan LobatoRanjith Karuparambil RamachandranJolien DendoovenChristophe DetavernierPascal Van Der VoortGustaaf Van Tendeloo

A1 Journal Article in PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION

2015

Low temperature atomic layer deposition of crystalline In2O3 films

Ranjith Karuparambil RamachandranJolien DendoovenHilde PoelmanChristophe Detavernier

A1 Journal Article in JOURNAL OF PHYSICAL CHEMISTRY C

2014

In situ XAS and XRF study of nanoparticle nucleation during O3-based Pt deposition

Matthias FilezHilde PoelmanRanjith Karuparambil RamachandranJolien DendoovenKilian Devloo-CasierEmiliano FondaChristophe DetavernierGuy Marin

A1 Journal Article in CATALYSIS TODAY

Plasma enhanced atomic layer deposition of Fe2O3 thin films

Ranjith Karuparambil RamachandranJolien DendoovenChristophe Detavernier

A1 Journal Article in JOURNAL OF MATERIALS CHEMISTRY A

Plasma enhanced atomic layer deposition of Ga2O3 thin films

Ranjith Karuparambil RamachandranJolien DendoovenJonas BottermanSreeprasanth Pulinthanathu SreeDirk PoelmanJohan A MartensHilde PoelmanChristophe Detavernier

A1 Journal Article in JOURNAL OF MATERIALS CHEMISTRY A

Unravelling the formation of Pt-Ga alloyed nanoparticles on calcined Ga-modified hydrotalcites by in situ XAS

Matthias FilezEvgeniy RedekopHilde PoelmanVladimir GalvitaRanjith Karuparambil RamachandranJolien DendoovenChristophe DetavernierGuy Marin

A1 Journal Article in CHEMISTRY OF MATERIALS

2013

Atomic layer deposition of platinum : GISAXS study of the initial island growth mode

Jolien DendoovenRanjith Karuparambil RamachandranKilian Devloo-CasierKarl LudwigChristophe Detavernier

In situ XAS and XRF study of nanoparticle nucleation during O3-based Pt deposition

Matthias FilezHilde PoelmanRanjith Karuparambil RamachandranJolien DendoovenKilian Devloo-CasierE. FondaChristophe DetavernierGuy Marin

Nucleation and growth of Pt by atomic layer deposition on silica probed with in situ XAS and XRF measurements

Matthias FilezRanjith Karuparambil RamachandranKilian Devloo-CasierJolien DendoovenHilde PoelmanE FondaChristophe DetavernierGuy Marin