POORTMANS, Jef

Full Name
POORTMANS, Jef
Email
jef.poortmans@uhasselt.be
 
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Publications

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Author:  BIRANT, Gizem

Results 1-20 of 29 (Search time: 0.006 seconds).

Issue DateTitleContributor(s)TypeCat.
12022“To Spin or Not to Spin?”—Is Spin‐Coating the Ideal Technique for Pre‐Deposition of Sodium Fluoride for CIGS Rear Surface Passivated Ultrathin Solar Cells?BIRANT, Gizem; DE WILD, Jessica; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
22022Comparison of a bottom-up and a top-down approach for the creation of contact openings in a multi-stack oxide layer at the front interface of Cu(In, Ga)Se-2BULDU KOHL, Dilara; DE WILD, Jessica; KOHL, Thierry; BIRANT, Gizem; BRAMMERTZ, Guy; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
32022A Novel Strategy for the Application of an Oxide Layer to the Front Interface of Cu(In,Ga)Se2 Thin Film Solar Cells: Al2O3/HfO2 Multi-Stack Design With Contact OpeningsBULDU KOHL, Dilara; DE WILD, Jessica; KOHL, Thierry; BIRANT, Gizem; BRAMMERTZ, Guy; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
42021Comparative Study of Al2O3 and HfO2 for Surface Passivation of Cu(In,Ga)Se-2 Thin Films: An Innovative Al2O3/HfO2 Multistack DesignSCAFFIDI, Romain; BULDU KOHL, Dilara; BRAMMERTZ, Guy; DE WILD, Jessica; KOHL, Thierry; BIRANT, Gizem; MEURIS, Marc; POORTMANS, Jef; Flandre, D; VERMANG, BartJournal ContributionA1
52021Detrimental Impact of Na Upon Rb Postdeposition Treatments of Cu(In,Ga)Se-2 Absorber LayersDE WILD, Jessica; BIRANT, Gizem; THIRUVALLUR EACHAMBADI, Ragha; KOHL, Thierry; BULDU KOHL, Dilara; BRAMMERTZ, Guy; MANCA, Jean; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
62021Ultrathin Cu(In,Ga)Se-2 Solar Cells with Ag/AlOx Passivating Back ReflectorDE WILD, Jessica; BIRANT, Gizem; BRAMMERTZ, Guy; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
72021Creating nano-sized contact openings in the thick dielectric-based passivation layers for ultrathin CIGS solar cells: A cost and time-effective approachBIRANT, Gizem; Kandybka, Irina; DE WILD, Jessica; BULDU KOHL, Dilara; KOHL, Thierry; RUTTENS, Bart; BRAMMERTZ, Guy; D'HAEN, Jan; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartProceedings PaperC1
82021A multi-stack Al2O3/HfO2 design with contact openings for front surface of Cu(In,Ga)Se2 solar cellsBULDU KOHL, Dilara; DE WILD, Jessica; KOHL, Thierry; BIRANT, Gizem; BRAMMERTZ, Guy; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartProceedings PaperC1
92021Bias dependent admittance spectroscopy: the impact of sodium supply on the Cu(In,Ga)Se2 growthKOHL, Thierry; DE WILD, Jessica; BRAMMERTZ, Guy; Buldu, D. G.; BIRANT, Gizem; van der Vleuten, M.; Simor, M.; Eachambadi, R. T.; MANCA, Jean; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartProceedings PaperC1
102021Bias dependent admittance spectroscopy of thin film solar cells: KF post deposition treatment, accelerated lifetime testing, and their effect on the CVf loss mapsKOHL, Thierry; BRAMMERTZ, Guy; DE WILD, Jessica; BULDU KOHL, Dilara; BIRANT, Gizem; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
112021Investigating the experimental space for two-step Cu(In,Ga)(S,Se)2 absorber layer fabrication: A design of experiment approachHAMTAEI, Sarallah; BRAMMERTZ, Guy; KOHL, Thierry; BULDU KOHL, Dilara; BIRANT, Gizem; DE WILD, Jessica; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
122021Novel cost-effective approach to produce nano-sized contact openings in an aluminum oxide passivation layer up to 30 nm thick for CIGS solar cellsKandybka, Iryna; BIRANT, Gizem; DE WILD, Jessica; BULDU KOHL, Dilara; KOHL, Thierry; THIRUVALLUR EACHAMBADI, Ragha; BRAMMERTZ, Guy; MANCA, Jean; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
132020Rear surface passivation of ultra-thin CIGS solar cells using atomic layer deposited HfOxBIRANT, Gizem; Mafalda, J; SCAFFIDI, Romain; DE WILD, Jessica; BULDU KOHL, Dilara; KOHL, Thierry; BRAMMERTZ, Guy; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
142020Bias-Dependent Admittance Spectroscopy of Thin-Film Solar Cells: Experiment and SimulationBRAMMERTZ, Guy; KOHL, Thierry; DE WILD, Jessica; BULDU KOHL, Dilara; BIRANT, Gizem; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
152020Study of Ammonium Sulfide Surface Treatment for Ultrathin Cu(In,Ga)Se(2)with Different Cu/(Ga plus In) RatiosBULDU KOHL, Dilara; DE WILD, Jessica; KOHL, Thierry; BRAMMERTZ, Guy; BIRANT, Gizem; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
162020Inclusion of Water in Cu(In, Ga)Se-2 Absorber Material During Accelerated Lifetime TestingKOHL, Thierry; RIVAS RIVAS, Nicolas; DE WILD, Jessica; BULDU KOHL, Dilara; BIRANT, Gizem; BRAMMERTZ, Guy; MEURIS, Marc; RENNER, Frank; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
172020KF Postdeposition Treatment in N-2 of Single-Stage Thin Cu(In,Ga)Se-2 Absorber LayersDE WILD, Jessica; KOHL, Thierry; BULDU KOHL, Dilara; BIRANT, Gizem; Parragh, DM; BRAMMERTZ, Guy; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
182020Innovative and industrially viable approach to fabricate AlOx rear passivated ultra-thin Cu(In, Ga)Se2 (CIGS) solar cellsBIRANT, Gizem; DE WILD, Jessica; KOHL, Thierry; BULDU KOHL, Dilara; BRAMMERTZ, Guy; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
192020Intermediate scale bandgap fluctuations in ultrathin Cu(In,Ga)Se2 absorber layersDE WILD, Jessica; BULDU KOHL, Dilara; KOHL, Thierry; BIRANT, Gizem; BRAMMERTZ, Guy; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartJournal ContributionA1
202019Industrially Viable Rear Surface Passivation Approach for Cu( In,Ga)Se2 Solar CellsBIRANT, Gizem; KOHL, Thierry; BULDU KOHL, Dilara; SURESH, Sunil; Nguyen, Thai Ha; Mafalda, Jorge; DE WILD, Jessica; BRAMMERTZ, Guy; MEURIS, Marc; POORTMANS, Jef; VERMANG, BartConference MaterialC2