Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/49207
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dc.contributor.authorMin, Jihong-
dc.contributor.authorDEI TOS, Irene-
dc.contributor.authorRahimisheikh, Sepideh-
dc.contributor.authorde la Fuente, Beatriz-
dc.contributor.authorRAJAGOPAL, Devika-
dc.contributor.authorD'HAEN, Jan-
dc.contributor.authorCornil, David-
dc.contributor.authorHauffman, Tom-
dc.contributor.authorBeljonne, David-
dc.contributor.authorAERNOUTS, Tom-
dc.contributor.authorHadermann, Joke-
dc.contributor.authorShin, Byungha-
dc.contributor.authorVERMANG, Bart-
dc.contributor.authorSHUKLA, Sudhanshu-
dc.date.accessioned2026-06-04T09:39:16Z-
dc.date.available2026-06-04T09:39:16Z-
dc.date.issued2026-
dc.date.submitted2026-06-04T09:32:21Z-
dc.identifier.citationAdvanced science,-
dc.identifier.urihttp://hdl.handle.net/1942/49207-
dc.description.abstractSolar-driven photoelectrochemical (PEC) production of chemical fuels such as hydrogen is a viable solution to address climate neutrality objectives. Development of a monolithic tandem PEC device consisting of ideal bandgap absorbers is of paramount importance to realize efficient artificial photosynthesis systems. Herein, we report monolithic integration of Sb2S3 on textured silicon to realize a completely inorganic and fully vacuum processed multilayer PEC device with Ag/Indium Tin Oxide (ITO)/Heterojunction with Intrinsic Thin layer (HIT) Si/ITO/Au/Sb2S3/NiOx architecture. Photoelectron spectroscopy and computational analysis show a staggered band alignment between Si and Sb2S3, emulating Z-scheme charge transfer mechanism. We demonstrate a high performing and stable Sb2S3-Si monolithic tandem for PEC hydrogen evolution reaction (HER) coupled to iodide oxidation reaction (IOR). Under AM 1.5G illumination, the Sb2S3-Si monolithic tandem device achieves unassisted photocurrent density of 4.38 mA cm- 2 with faradaic efficiency of 97% for hydrogen, while maintaining similar to 90% of its initial performance after 10 h of continuous operation. These results set a new benchmark for all inorganic monolithic tandems for efficient and sustainable solar-to-chemical conversion. This work unlocks the pathway for artificial photosynthesis systems comprising ideal bandgap photo absorbers.-
dc.description.sponsorshipThis work received support from the European Union’s Horizon Research and Innovation programme via PHOENIX project under grant agreement ID. 101172764. S.S. acknowledge European Union’s Horizon Europe program under Marie Skłodowska-Curie Grant Agreement No. 101067667 (CHALCON). S.S., D.B., and B.V. acknowledge Belgian federal government through the Energy Transition Fund for T-REX project. S.S. and B.V. acknowledge Interreg for FOTON project. B.S. and J.M. acknowledge support from the National Research Foundation of Korea (NRF) grant funded by the Ministry of Strategy and Finance (No. RS-2021-NR057811). B.S. and J.M. acknowledge support from Namdong Power Generation project No. 2025-KOEN(Research Institute)-02. I.D.T. and D.R. acknowledge support from FWO doctoral fellowship. The theoretical part benefited from computational resources provided by the Consortium des “Equipements de Calcul Intensif” (CÉCI) funded by the Belgian National Fund for Scientific Research (F.R.S.-FNRS) under Grant 2.5020.11; and resources made available on Lucia, the Tier-1supercomputer of the Walloon Region, infrastructure funded by the Walloon Region under the grant agreement no◦1910247. D.B. is an FNRS Research Director. The authors wish to thank Dr. Vishal Jose for help with the Raman measurements and Tim Oris for the electrode deposition. We sincerely thank the anonymous reviewer (anonymous) for their thoughtful and detailed feedback. Their comments were instrumental in refining the analysis and strengthening the manuscript.-
dc.language.isoen-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.rights2026 The Author(s). Advanced Science published by Wiley-VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited-
dc.titleFully Textured Monolithic Sb2S3/Silicon Tandem for Unbiased and Stable Solar-Driven Water Splitting Paired with Iodide Oxidation Reaction-
dc.typeJournal Contribution-
local.format.pages13-
local.bibliographicCitation.jcatA1-
dc.description.notesShin, B (corresponding author), Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Daejeon, South Korea.; Shukla, S (corresponding author), IUMAT, imec, Genk, Belgium.; Shukla, S (corresponding author), UHasselt, Inst Mat Res IUMAT, Hasselt, Belgium.; Shukla, S (corresponding author), EnergyVille, Genk, Belgium.-
dc.description.notesbyungha@kaist.ac.kr; sudhanshu.shukla@imec.be-
local.publisher.placePOSTFACH 101161, 69451 WEINHEIM, GERMANY-
local.type.refereedRefereed-
local.type.specifiedArticle-
local.bibliographicCitation.statusEarly view-
local.type.programmehorizonEurope-
dc.identifier.doi10.1002/advs.75798-
dc.identifier.pmid42170740-
dc.identifier.isi001771716100001-
local.provider.typewosris-
local.description.affiliation[Min, Jihong; Shin, Byungha] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Daejeon, South Korea.-
local.description.affiliation[Tos, Irene Dei; Rajagopal, Devika; Aernouts, Tom; Vermang, Bart; Shukla, Sudhanshu] IUMAT, imec, Genk, Belgium.-
local.description.affiliation[Tos, Irene Dei; Rajagopal, Devika; Aernouts, Tom; Vermang, Bart; Shukla, Sudhanshu] UHasselt, Inst Mat Res IUMAT, Hasselt, Belgium.-
local.description.affiliation[Tos, Irene Dei; Rajagopal, Devika; Aernouts, Tom; Vermang, Bart; Shukla, Sudhanshu] EnergyVille, Genk, Belgium.-
local.description.affiliation[Rahimisheikh, Sepideh; Hadermann, Joke] Univ Antwerp, Electron Microscopy Mat Sci EMAT, Antwerp, Belgium.-
local.description.affiliation[de la Fuente, Beatriz; Hauffman, Tom] Vrije Univ Brussel, Lab Electrochem & Surface Engn SURF, Res Grp Sustainable Mat Engn SUME, Brussels, Belgium.-
local.description.affiliation[D'Haen, Jan] UHasselt, Inst Mat Res IUMAT, Analyt & Microscop Serv AMS, Hasselt, Belgium.-
local.description.affiliation[D'Haen, Jan] IUMAT, imec, Diepenbeek, Belgium.-
local.description.affiliation[Cornil, David; Beljonne, David] Univ Mons UMONS, Lab Chem Novel Mat, Mons, Belgium.-
local.uhasselt.internationalyes-
local.relation.horizonEurope101067667 (CHALCON)-
item.accessRightsOpen Access-
item.fulltextWith Fulltext-
item.fullcitationMin, Jihong; DEI TOS, Irene; Rahimisheikh, Sepideh; de la Fuente, Beatriz; RAJAGOPAL, Devika; D'HAEN, Jan; Cornil, David; Hauffman, Tom; Beljonne, David; AERNOUTS, Tom; Hadermann, Joke; Shin, Byungha; VERMANG, Bart & SHUKLA, Sudhanshu (2026) Fully Textured Monolithic Sb2S3/Silicon Tandem for Unbiased and Stable Solar-Driven Water Splitting Paired with Iodide Oxidation Reaction. In: Advanced science,.-
item.contributorMin, Jihong-
item.contributorDEI TOS, Irene-
item.contributorRahimisheikh, Sepideh-
item.contributorde la Fuente, Beatriz-
item.contributorRAJAGOPAL, Devika-
item.contributorD'HAEN, Jan-
item.contributorCornil, David-
item.contributorHauffman, Tom-
item.contributorBeljonne, David-
item.contributorAERNOUTS, Tom-
item.contributorHadermann, Joke-
item.contributorShin, Byungha-
item.contributorVERMANG, Bart-
item.contributorSHUKLA, Sudhanshu-
crisitem.journal.eissn2198-3844-
Appears in Collections:Research publications
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