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

Autor: Willem Walravens, Christophe Detavernier, Jakob Kuhs, Gunther Roelkens, Zeger Hens, Nayyera Mahmoud

Publikováno v: ACS APPLIED NANO MATERIALS

Quantum dots (QDs) have attracted considerable attention in the development of various optoelectronic applications. The scalable heterogeneous integration of high quality, yet stable QD films is required for low-cost devices based on these materials.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59d1e442e80ef99b8c384cefa2e83b51
https://doi.org/10.1021/acsanm.8b01915

Setting Carriers Free: Healing Faulty Interfaces Promotes Delocalization and Transport in Nanocrystal Solids

Autor: Andrej Singer, Athmane Tadjine, Patrick Peiwen Ding, Jacob Ruff, Zeger Hens, Christophe Detavernier, Gunther Roelkens, Nayyera Mahmoud, Willem Walravens, Christophe Delerue, Jolien Dendooven, O. Gorobtsov, Eduardo Solano, Filip Geenen

Publikováno v: ACS Nano
ACS Nano, American Chemical Society, 2019, 13 (11), pp.12774-12786. ⟨10.1021/acsnano.9b04757⟩
ACS Nano, 2019, 13 (11), pp.12774-12786. ⟨10.1021/acsnano.9b04757⟩

International audience; Superlattices of epitaxially connected nanocrystals (NCs) are model systems to study electronic and optical properties of NC arrays. Using elemental analysis and structural analysis by in situ X-ray fluorescence and grazing-in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2489013dc6d8beb887abbab6681e8c8
https://hal.archives-ouvertes.fr/hal-02517025

PbS/CdS Core/Shell Quantum Dots by Additive, Layer-by-Layer Shell Growth

Autor: Laxmi Kishore Sagar, Willem Walravens, Pieter Geiregat, Zeger Hens, André Vantomme, Qiang Zhao

Publikováno v: Chemistry of Materials. 28:6953-6959

We demonstrate additive shelling of PbS core quantum dots by CdS using room-temperature colloidal atomic layer deposition. Combining in-depth electron microscopy, absorption spectroscopy and elemental analysis, we present a structural model of the Pb

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f083b84e9a67e8a3f63463c714e493b5
https://doi.org/10.1021/acs.chemmater.6b02638

Chemically Triggered Formation of Two-Dimensional Epitaxial Quantum Dot Superlattices

Autor: Jolien Dendooven, Ivan Infante, Emile Drijvers, Christophe Detavernier, Eduardo Solano, Willem Walravens, Jonathan De Roo, Zeger Hens, Stephanie ten Brinck

Publikováno v: ACS Nano, 10(7), 6861-6870. American Chemical Society
ACS Nano
Walravens, W, De Roo, J, Drijvers, E, Ten Brinck, S, Solano, E, Dendooven, J, Detavernier, C, Infante, I & Hens, Z 2016, ' Chemically Triggered Formation of Two-Dimensional Epitaxial Quantum Dot Superlattices ', ACS Nano, vol. 10, no. 7, pp. 6861-6870 . https://doi.org/10.1021/acsnano.6b02562
ACS NANO

Two dimensional superlattices of epitaxially connected quantum dots enable size-quantization effects to be combined with high charge carrier mobilities, an essential prerequisite for highly performing QD devices based on charge transport. Here, we de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67d6eca762f37e332eb8a79c4b239e0a
https://research.vu.nl/en/publications/d7bbdd83-5a7b-4334-aff7-f9a6ec977e42

Highly Dynamic Ligand Binding and Light Absorption Coefficient of Cesium Lead Bromide Perovskite Nanocrystals

Autor: Willem Walravens, José C. Martins, Maria Ibáñez, Jorick Maes, Isabel Van Driessche, Pieter Geiregat, Zeger Hens, Maksym V. Kovalenko, Jonathan De Roo, Georgian Nedelcu

Publikováno v: ACS Nano
ACS NANO

Lead halide perovskite materials have attracted significant attention in the context of photovoltaics and other optoelectronic applications, and recently, research efforts have been directed to nanostructured lead halide perovskites. Collodial nanocr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb9c950cf119ff52503c63138b476635
https://pubmed.ncbi.nlm.nih.gov/26786064