S
Stijn Van Cleuvenbergen
Researcher at Katholieke Universiteit Leuven
Publications - 47
Citations - 1004
Stijn Van Cleuvenbergen is an academic researcher from Katholieke Universiteit Leuven. The author has contributed to research in topics: Hyperpolarizability & Nonlinear optics. The author has an hindex of 17, co-authored 46 publications receiving 819 citations.
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Journal ArticleDOI
Instantaneous, Simple, and Reversible Revealing of Invisible Patterns Encrypted in Robust Hollow Sphere Colloidal Photonic Crystals.
TL;DR: A convenient way to imprint robust invisible patterns in colloidal crystals of hollow silica spheres is presented, evaluated by thermodynamic predictions and subsequently verified by exposure to various vapors with different surface tension.
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Controlled partial interpenetration in metal–organic frameworks
Alan Ferguson,Lujia Liu,Stefanus J. Tapperwijn,David Perl,François-Xavier Coudert,Stijn Van Cleuvenbergen,Thierry Verbiest,Monique A. van der Veen,Shane G. Telfer +8 more
TL;DR: A family of MOFs in which one sub-lattice is fully occupied and the occupancy level of the other can be controlled during synthesis to produce frameworks with variable levels of partial interpenetration is reported.
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Molecular engineering of chromophores for combined second-harmonic and two-photon fluorescence in cellular imaging
Evelien De Meulenaere,Wei-Qiang Chen,Stijn Van Cleuvenbergen,Mei-Ling Zheng,Sotiris Psilodimitrakopoulos,Rik Paesen,Jean-Marc Taymans,Marcel Ameloot,Jos Vanderleyden,Pablo Loza-Alvarez,Xuan-Ming Duan,Koen Clays +11 more
TL;DR: A series of chromophores with enhanced second- and third-order nonlinear optical properties were engineered for use in combined second-harmonic and two-photon fluorescence microscopy and resulted in high selectivity for mitochondria or the nucleus in two- phytochemical fluorescence.
Journal ArticleDOI
Nonlinear Optical Properties of Thiolate-Protected Gold Clusters
Stefan Knoppe,Maarten Vanbel,Stijn Van Cleuvenbergen,Louis Vanpraet,Thomas Bürgi,Thierry Verbiest +5 more
TL;DR: In this article, second and third-harmonic generation and multiphoton fluorescence of two thiolate-protected gold clusters were observed at a fundamental wavelength of 800 nm.
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Thermally stable ferrocenyl “push–pull” chromophores with tailorable and switchable second-order non-linear optical response: synthesis and structure–property relationship
Paramjit Kaur,Mandeep Kaur,Griet Depotter,Stijn Van Cleuvenbergen,Inge Asselberghs,Koen Clays,Kamaljit Singh +6 more
TL;DR: In this article, a combined UV-visible, cyclic voltammetric theoretical and hyper-Rayleigh scattering study has been carried out on a new series of ferrocenyl chromophores (2a-2d and 7-11) to develop a structure-property relationship, by varying the acceptor strength and the conjugation path length between the donor and the acceptedor and by disubstitution of the ferrocene moiety.