{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,2]],"date-time":"2026-08-02T10:22:18Z","timestamp":1785666138506,"version":"3.56.0"},"reference-count":38,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2022,10,23]],"date-time":"2022-10-23T00:00:00Z","timestamp":1666483200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Poznan University of Technology","award":["0713\/SBAD\/0958"],"award-info":[{"award-number":["0713\/SBAD\/0958"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>The use of non-thermal plasma technology in producing green fuels is a much-appreciated environmentally friendly approach. In this study, an Al2O3-supported CrxZnS semiconductor catalyst was tested for hydrogen evolution from hydrogen sulfide (H2S) gas by using a single-layered dielectric barrier discharge (DBD) system. The Al2O3-supported CrxZnS catalyst (x = 0.20, 0.25, and 0.30) was produced by using a co-impregnation method and characterized for its structural and photocatalytic characteristics. The discharge column of the DBD system was filled with this catalyst and fed with hydrogen sulfide and argon gas. The DBD plasma was sustained with a fixed AC source of 10 kV where plasma produced species and UV radiations activated the catalyst to break H2S molecules under ambient conditions. The catalyst (hexagonal-cubic-sphalerite structure) showed an inverse relationship between the band gap and the dopant concentration. The hydrogen evolution decreased with an increase in dopant concentration in the nanocomposite. The Cr0.20ZnS catalyst showed excellent photocatalytic activity under the DBD exposure by delivering 100% conversion efficiency of H2S into hydrogen. The conversion decreased to 96% and 90% in case of Cr0.25ZnS and Cr0.30ZnS, respectively.<\/jats:p>","DOI":"10.3390\/ma15217426","type":"journal-article","created":{"date-parts":[[2022,10,24]],"date-time":"2022-10-24T06:37:45Z","timestamp":1666593465000},"page":"7426","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Catalytic Hydrogen Evolution from H2S Cracking over CrxZnS Catalyst in a Cylindrical Single-Layered Dielectric Barrier Discharge Plasma Reactor"],"prefix":"10.3390","volume":"15","author":[{"given":"Saba","family":"Afzal","sequence":"first","affiliation":[{"name":"Department of Physics, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Humaira","family":"Hussain","sequence":"additional","affiliation":[{"name":"Department of Chemistry, University of Okara, Okara 56300, Pakistan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Muhammad Yasin","family":"Naz","sequence":"additional","affiliation":[{"name":"Department of Physics, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shazia","family":"Shukrullah","sequence":"additional","affiliation":[{"name":"Department of Physics, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irshad","family":"Ahmad","sequence":"additional","affiliation":[{"name":"Department of Physics, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4161-6875","authenticated-orcid":false,"given":"Muhammad","family":"Irfan","sequence":"additional","affiliation":[{"name":"Electrical Engineering Department, College of Engineering, Najran University, Najran 61441, Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Salim Nasar Faraj","family":"Mursal","sequence":"additional","affiliation":[{"name":"Electrical Engineering Department, College of Engineering, Najran University, Najran 61441, Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8973-5035","authenticated-orcid":false,"given":"Stanislaw","family":"Legutko","sequence":"additional","affiliation":[{"name":"Faculty of Mechanical Engineering, Poznan University of Technology, 60-965 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4400-2553","authenticated-orcid":false,"given":"Izabela","family":"Kruszelnicka","sequence":"additional","affiliation":[{"name":"Department of Water Supply and Bioeconomy, Faculty of Environmental Engineering and Energy, Poznan University of Technology, 60-965 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6588-4546","authenticated-orcid":false,"given":"Dobrochna","family":"Ginter-Kramarczyk","sequence":"additional","affiliation":[{"name":"Department of Water Supply and Bioeconomy, Faculty of Environmental Engineering and Energy, Poznan University of Technology, 60-965 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,10,23]]},"reference":[{"key":"ref_1","first-page":"4","article-title":"Hydrogen production from Hydrogen Sulfide Waste stream using Ru\/Cd0.6Zn0.4S Photocatalyst","volume":"1","author":"Thangam","year":"2015","journal-title":"Int. J. New Technol. Res."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"121973","DOI":"10.1016\/j.apcatb.2022.121973","article-title":"Interfacial charge transfer induced dual-active-sites of heterostructured Cu0.8Ni0.2WO4 nanoparticles in ammonia borane methanolysis for fast hydrogen production","volume":"320","author":"Liao","year":"2022","journal-title":"Appl. Catal. B Environ."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"126045","DOI":"10.1016\/j.fuel.2022.126045","article-title":"Modulation the electronic structure of hollow structured CuO-NiCo2O4 nanosphere for enhanced catalytic activity towards methanolysis of ammonia borane","volume":"332","author":"Feng","year":"2022","journal-title":"Fuel"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1007\/s00339-011-6563-1","article-title":"Room-temperature ferromagnetism in EDTA capped Cr-doped ZnS nanoparticles","volume":"105","author":"Reddy","year":"2011","journal-title":"Appl. Phys. A"},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"432","DOI":"10.1002\/jctb.3903","article-title":"Oxidative absorption of hydrogen sulfide using an iron-chelate based process: Chelate degradation","volume":"88","author":"Deshmukh","year":"2013","journal-title":"J. Chem. Technol. Biotechnol."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"14415","DOI":"10.1016\/j.ijhydene.2013.09.008","article-title":"Hydrogen production via decomposition of hydrogen sulfide by synergy of non-thermal plasma and semiconductor catalysis","volume":"38","author":"Zhao","year":"2013","journal-title":"Int. J. Hydrogen Energy"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1016\/0378-3820(94)00085-8","article-title":"Production of hydrogen and sulfur from hydrogen sulfide","volume":"41","author":"Zaman","year":"1995","journal-title":"Fuel Processing Technol."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"27979","DOI":"10.1021\/acsami.2c06234","article-title":"Modulating the Acidic Properties of Mesoporous Mox\u2013Ni0.8Cu0.2O Nanowires for Enhanced Catalytic Performance toward the Methanolysis of Ammonia Borane for Hydrogen Production","volume":"14","author":"Feng","year":"2022","journal-title":"ACS Appl. Mater. Interfaces"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"679","DOI":"10.1007\/s00339-010-5590-7","article-title":"Room-temperature ferromagnetism in lightly Cr-doped ZnO nanoparticles","volume":"99","author":"Duan","year":"2010","journal-title":"Appl. Phys. A"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1016\/j.jcou.2019.11.021","article-title":"Highly selective conversion of H2S\u2013CO2 to syngas by combination of non-thermal plasma and MoS2\/Al2O3","volume":"37","author":"Zhao","year":"2020","journal-title":"J. CO2 Util."},{"key":"ref_11","first-page":"1452","article-title":"Photocatalytic degradation of methyl orange dye using Cr-doped ZnS nanoparticles under visible radiation","volume":"5","author":"Eyasu","year":"2013","journal-title":"Int. J. Chem. Tech. Res."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"6474","DOI":"10.1007\/s10854-016-4588-0","article-title":"Chromium doped ZnS nanoparticles: Chemical, structural, luminescence and magnetic studies","volume":"27","author":"Poornaprakash","year":"2016","journal-title":"J. Mater. Sci. Mater. Electron."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"S3","DOI":"10.1006\/rtph.1997.1132","article-title":"Occurrences, uses, and properties of chromium","volume":"26","author":"Barnhart","year":"1997","journal-title":"Regul. Toxicol. Pharmacol."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"425","DOI":"10.1590\/S0366-69132014000300015","article-title":"Crystallographic and optical studies on Cr doped ZnS nanocrystals","volume":"60","author":"Bodke","year":"2014","journal-title":"Cer\u00e2mica"},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"2030","DOI":"10.1002\/ceat.201200134","article-title":"Kinetics of the decomposition of hydrogen sulfide in a dielectric barrier discharge reactor","volume":"35","author":"Karuppiah","year":"2012","journal-title":"Chem. Eng. Technol."},{"key":"ref_16","first-page":"C4","article-title":"Dielectric-barrier discharges. Principle and applications","volume":"7","author":"Kogelschatz","year":"1997","journal-title":"Le J. De Phys. IV"},{"key":"ref_17","first-page":"1","article-title":"Synthesis and characterization of chromium doped zinc sulfide nanoparticles","volume":"2","author":"Bodke","year":"2015","journal-title":"Open Access Libr. J."},{"key":"ref_18","doi-asserted-by":"crossref","unstructured":"Palma, V., Cortese, M., Renda, S., Ruocco, C., Martino, M., and Meloni, E. (2020). A review about the recent advances in selected nonthermal plasma assisted solid\u2013gas phase chemical processes. Nanomaterials, 10.","DOI":"10.3390\/nano10081596"},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"012029","DOI":"10.1088\/1757-899X\/1221\/1\/012029","article-title":"One-Pot Synthesis of Biocompatible Glycine Protected Chromium Doped ZnS Nanoparticles and their Optical Properties","volume":"Volume 1221","author":"Bhat","year":"2022","journal-title":"IOP Conference Series: Materials Science and Engineering"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1007\/s00339-020-03669-1","article-title":"Exploring the role of defects on diverse properties of Cr-substituted ZnS nanostructures for photocatalytic applications","volume":"126","author":"Dake","year":"2020","journal-title":"Appl. Phys. A"},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"731","DOI":"10.1002\/crat.201100146","article-title":"Effect of Cr doping on the structural and optical properties of ZnS nanoparticles","volume":"46","author":"Murali","year":"2011","journal-title":"Cryst. Res. Technol."},{"key":"ref_22","first-page":"129","article-title":"Improvement the Photo Catalytic Properties of ZnS nanoparticle with Loaded Manganese and Chromium by Co-Precipitation Method","volume":"10","author":"Mohammed","year":"2018","journal-title":"J. Glob. Pharma Technol."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"123","DOI":"10.1016\/j.optmat.2015.08.019","article-title":"Optical constants and band gap determination of Pb0.95La0.05 Zr0.54Ti0.46O3 thin films using spectroscopic ellipsometry and UV\u2013visible spectroscopy","volume":"49","author":"Batra","year":"2015","journal-title":"Opt. Mater."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"9158","DOI":"10.1007\/s10854-015-3605-z","article-title":"Improved magnetism in Cr doped ZnS nanoparticles with nitrogen co-doping synthesized using chemical co-precipitation technique","volume":"26","author":"Kaur","year":"2015","journal-title":"J. Mater. Sci. Mater. Electron."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"963","DOI":"10.1016\/j.saa.2012.07.125","article-title":"Synthesis and study of optical properties of transition metals doped ZnS nanoparticles","volume":"96","author":"Ramasamy","year":"2012","journal-title":"Spectrochim. Acta Part A: Mol. Biomol. Spectrosc."},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"1944","DOI":"10.1016\/j.physb.2011.02.062","article-title":"Synthesis and optical properties of Cr doped ZnS nanoparticles capped by 2-mercaptoethanol","volume":"406","author":"Reddy","year":"2011","journal-title":"Phys. B Condens. Matter"},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"2156","DOI":"10.1364\/OME.5.002156","article-title":"Red photoluminescence and blue-shift caused by phase transformation in multilayer films of titanium dioxide and zinc sulfide","volume":"5","author":"Choi","year":"2015","journal-title":"Opt. Mater. Express"},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"5688","DOI":"10.1039\/c3ce40523k","article-title":"Nanoparticle heterojunctions in ZnS\u2013ZnO hybrid nanowires for visible-light-driven photocatalytic hydrogen generation","volume":"15","author":"Wang","year":"2013","journal-title":"Cryst. Eng. Comm."},{"key":"ref_29","doi-asserted-by":"crossref","unstructured":"Irfan, M., Shukrullah, S., Naz, M.Y., Ahmad, I., Shoukat, B., Legutko, S., and Alsaiari, M.A. (2022). Si\/SiO2\/Al2O3 Supported Growth of CNT Forest for the Production of La\/ZnO\/CNT Photocatalyst for Hydrogen Production. Materials, 15.","DOI":"10.3390\/ma15093226"},{"key":"ref_30","doi-asserted-by":"crossref","unstructured":"Irfan, M., Ahmad, I., Shukrullah, S., Hussain, H., Atif, M., Legutko, S., Petru, J., Hatala, M., Naz, M.Y., and Rahman, S. (2022). Construction of 0D\/2D Schottky Heterojunctions of ZnO and Ti3C2 Nanosheets with the Enriched Transfer of Interfacial Charges for Photocatalytic Hydrogen Evolution. Materials, 15.","DOI":"10.3390\/ma15134557"},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"102661","DOI":"10.1016\/j.cis.2022.102661","article-title":"Recent advances and challenges in 2D\/2D heterojunction photocatalysts for solar fuels applications","volume":"304","author":"Ahmad","year":"2022","journal-title":"Adv. Colloid Interface Sci."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"206","DOI":"10.1016\/j.elstat.2011.03.011","article-title":"Performance of non-thermal DBD plasma reactor during the removal of hydrogen sulfide","volume":"69","author":"Liang","year":"2011","journal-title":"J. Electrost."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"2018","DOI":"10.1016\/j.ijhydene.2006.02.003","article-title":"Band structure-controlled solid solution of Cd1-x ZnxS photocatalyst for hydrogen production by water splitting","volume":"31","author":"Xing","year":"2006","journal-title":"Int. J. Hydrogen Energy"},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1016\/j.apenergy.2012.02.010","article-title":"Production of hydrogen and sulfur from hydrogen sulfide assisted by nonthermal plasma","volume":"95","author":"Reddy","year":"2012","journal-title":"Appl. Energy"},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"1269","DOI":"10.1002\/anie.200462057","article-title":"Mass production and high photocatalytic activity of ZnS nanoporous nanoparticles","volume":"44","author":"Hu","year":"2005","journal-title":"Angew. Chem. Int. Ed."},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"561","DOI":"10.1016\/0360-3199(87)90015-2","article-title":"The use of thermal diffusion column reactors for the production of hydrogen and sulfur from the thermal decomposition of hydrogen sulfide over transition metal sulfides","volume":"12","author":"Chivers","year":"1987","journal-title":"Int. J. Hydrogen Energy"},{"key":"ref_37","doi-asserted-by":"crossref","unstructured":"Kalamaras, C.M., and Efstathiou, A.M. (2013). Hydrogen production technologies: Current state and future developments. Conference Papers in Science, Hindawi.","DOI":"10.1155\/2013\/690627"},{"key":"ref_38","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1016\/j.cattod.2019.02.032","article-title":"Cr\u2013doped ZnS semiconductor catalyst with high catalytic activity for hydrogen production from hydrogen sulfide in non-thermal plasma","volume":"337","author":"Zhao","year":"2019","journal-title":"Catal. 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