Research Explorer

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Researcher

Willem Walravens

Awards & Distinctions

23 Results

2022

Quantum dot acceptors in two-dimensional epitaxially fused PbSe quantum dot superlattices

Vincent NototWillem WalravensMaxime BertheNemanja PericAhmed AddadXavier WallartChristophe DelerueZeger HensBruno GrandidierLouis Biadala

A1 Journal Article in ACS NANO

2019

Epitaxial quantum dot superlattices : forcing connections to improve processing and properties

Willem WalravensZeger HensChristophe DetavernierGünther Roelkens

Micro-Transfer-Printing of Al2O3-Capped Short-Wave-Infrared PbS Quantum Dot Photoconductors

Nayyera MahmoudWillem WalravensJakob KuhsChristophe DetavernierZeger HensGünther Roelkens

A1 Journal Article in ACS APPLIED NANO MATERIALS

Multi-spectral SWIR PbS quantum dot pixels realized using transfer printing

Nayyera MahmoudWillem WalravensRobin PetitMichiel Van DaeleChristophe DetavernierZeger HensGünther Roelkens

Precursor reaction kinetics control compositional grading and size of CdSe1-xSx nanocrystal heterostructures

Leslie S. HamachiHaoran YangIlan Jen-La PlanteNatalie SaenzKevin QianMichael P. CamposGregory T. ClevelandIva RrezaAisha OzaWillem Walravens et al.

A1 Journal Article in CHEMICAL SCIENCE

Setting carriers free : healing faulty interfaces promotes delocalization and transport in nanocrystal solids

Willem WalravensEduardo SolanoFilip GeenenJolien DendoovenOleg GorobtsovAthmane TadjineNayyera MahmoudPatrick Peiwen DingJacob P. C. RuffAndrej Singer et al.

A1 Journal Article in ACS NANO

2018

Microtransfer printing of Al2O3 -passivated SWIR-PbS QDs photoconductors

Nayyera MahmoudWillem WalravensJacob KuhsChristophe DetavernierZeger HensGünther Roelkens

Setting carriers free : healing faulty interfaces promotes delocalization and transport in nanocrystal solids

Willem WalravensNayyera MahmoudFilip GeenenEduardo SolanoJolien DendoovenAthmane TadjineChristophe DelerueGünther RoelkensChristophe DetavernierZeger Hens

Size and concentration determination of colloidal nanocrystals by small-angle X-ray scattering

Jorick MaesNicolo CastroKim De NolfWillem WalravensBenjamin AbécassisZeger Hens

A1 Journal Article in CHEMISTRY OF MATERIALS

2017

A library of selenourea precursors to PbSe nanocrystals with size distributions near the homogeneous limit

Michael P CamposMark P HendricksAlexander N BeecherWillem WalravensRobert Andrew SwainGregory Thomas ClevelandZeger HensMatthew Y SfeirJonathan S Owen

A1 Journal Article in JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

HgSe/CdE (E = S, Se) core/shell nanocrystals by colloidal atomic layer deposition

Laxmi ChilukaWillem WalravensJorick MaesPieter GeiregatZeger Hens

A1 Journal Article in JOURNAL OF PHYSICAL CHEMISTRY C

2016

Chemically triggered formation of two-dimensional epitaxial quantum dot superlattices

Willem WalravensJonathan De RooEmile DrijversStephanie ten BrinckEduardo Solano MinuesaJolien DendoovenChristophe DetavernierIvan InfanteZeger Hens

A1 Journal Article in ACS NANO

Colloidal atomic layer deposition : a versatile method to synthesize core-shell nanocrystals in the infrared

Laxmi ChilukaPieter GeiregatWillem WalravensZeger Hens

Colloidal atomic layer deposition: a versatile method to synthesize core-shell nanocrystals in the infrared

Laxmi ChilukaPieter GeiregatWillem WalravensZeger Hens

Controlled formation of epitaxially connected nanocrystal superlattices: an important step towards application in opto-electronic devices

Willem WalravensJonathan De RooEmile DrijversStephanie ten BrinckEduardo Solano MinuesaJolien DendoovenChristophe DetavernierIvan InfanteZeger Hens

Highly dynamic ligand binding and light absorption coefficient of cesium lead Bromide perovskite nanocrystals

Jonathan De RooMaria IbanezPieter GeiregatGeorgian NedelcuWillem WalravensJorick MaesJosé MartinsIsabel Van DriesscheMaksym V KoyalenkoZeger Hens

A1 Journal Article in ACS NANO

Highly dynamic ligand binding and light absorption coefficient of cesium lead bromide perovskite nanocrystals

Jonathan De RooMaria IbanezPieter GeiregatGeorgian NedelcuWillem WalravensJorick MaesJosé MartinsIsabel Van DriesscheMaksym KovalenkoZeger Hens

Long-range nanocrystal superlattices by control over surface reactions

Willem WalravensEmile DrijversJonathan De RooZeger Hens

PbS/CdS Core/Shell quantum dots by additive, layer-by-layer shell growth

Laxmi ChilukaWillem WalravensQiang ZhaoAndré VantommePieter GeiregatZeger Hens

A1 Journal Article in CHEMISTRY OF MATERIALS

The temperature dependence of L-type promoted Z-type ligand displacement on oleate-terminated semiconductor nanocrystals observed through NMR

Emile DrijversJonathan De RooJorick MaesWillem WalravensJosé MartinsZeger Hens

2015

Long-range nanocrystal superlattices by control over surface reactions

Willem WalravensZeger Hens

Slow recombination in quantum dot solid solar cell using p-i-n architecture with organic p-type hole transport material

Xiaoliang ZhangYolanda Justo ZarraquiñosJorick MaesWillem WalravensJindan ZhangJianhua LiuZeger HensErik MJ Johansson

A1 Journal Article in JOURNAL OF MATERIALS CHEMISTRY A

Synthesis of novel HgSe/CdS and HgSe/CdSe core-shell nanocrystals by C-ALD approach in the infra-red

Laxmi ChilukaPieter GeiregatWillem WalravensZeger Hens