{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,27]],"date-time":"2026-04-27T07:39:22Z","timestamp":1777275562188,"version":"3.51.4"},"reference-count":55,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T00:00:00Z","timestamp":1775779200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T00:00:00Z","timestamp":1775779200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemPhysChem"],"published-print":{"date-parts":[[2026,4,14]]},"abstract":"<jats:p>\n                    The understanding of the sensitivity of quartz crystal microbalances (QCMs) to the mass of ionic liquid (IL) films is essential to rationalize their deposition behavior and the limits of reliable mass measurement. Herein, [C\n                    <jats:sub>2<\/jats:sub>\n                    C\n                    <jats:sub>1<\/jats:sub>\n                    im][OTf] films were vapor\u2010deposited on Au\u2010coated QCMs over a wide mass range (0.6\u201355 \u00b5g cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    ) and characterized using QCM, scanning electron microscopy (SEM), atomic force microscopy (AFM), and X\u2010ray photoelectron spectroscopy (XPS). At low coverages, QCM frequency shifts follow a linear trend, consistent with rigid mass coupling, while deviations from linearity and eventual sensor saturation occur at higher mass loadings. SEM and AFM show that the IL initially fills confined surface features, forming isolated patches, and progressively evolves into extended, quasi\u2010continuous domains. XPS indicates that low\u2010mass films display surface compositions deviating from stoichiometry, whereas high\u2010mass films (55 \u00b5g cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    ) show cation enrichment at the outermost surface. These findings demonstrate that QCM failure is linked to the transition from a confined, interface\u2010dominated regime to a microdroplet\u2010type, bulk\u2010like film, where viscoelastic IL patches decouple from the oscillating crystal. By correlating film morphology, surface composition, and QCM response, this study provides a comprehensive framework to interpret the limitations of QCM mass detection of IL films under vacuum.\n                  <\/jats:p>","DOI":"10.1002\/cphc.70349","type":"journal-article","created":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T02:49:23Z","timestamp":1775875763000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Quartz Crystal Microbalance Sensitivity Loss During Ionic Liquid Deposition: Insights into Film Structure and Morphology"],"prefix":"10.1002","volume":"27","author":[{"given":"Artur F. M.","family":"Farinha","sequence":"first","affiliation":[{"name":"CIQUP\/Institute of Molecular Sciences (IMS) Departamento de Qu\u00edmica e Bioqu\u00edmica Faculdade de Ci\u00eancias Universidade do Porto  Porto Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Soraia R. M. R.","family":"Silva","sequence":"additional","affiliation":[{"name":"CIQUP\/Institute of Molecular Sciences (IMS) Departamento de Qu\u00edmica e Bioqu\u00edmica Faculdade de Ci\u00eancias Universidade do Porto  Porto Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexandre C. P. M.","family":"Alves","sequence":"additional","affiliation":[{"name":"CIQUP\/Institute of Molecular Sciences (IMS) Departamento de Qu\u00edmica e Bioqu\u00edmica Faculdade de Ci\u00eancias Universidade do Porto  Porto Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lu\u00eds M. N. B. F.","family":"Santos","sequence":"additional","affiliation":[{"name":"CIQUP\/Institute of Molecular Sciences (IMS) Departamento de Qu\u00edmica e Bioqu\u00edmica Faculdade de Ci\u00eancias Universidade do Porto  Porto Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Oleksandr","family":"Bondarchuk","sequence":"additional","affiliation":[{"name":"International Iberian Nanotechnology Laboratory  Braga Portugal"},{"name":"SPIN\u2010Lab Centre for Microscopic Research on Matter University of Silesia in Katowice  Chorz\u00f3w Poland"},{"name":"Institute of Chemistry University of Silesia in Katowice  Katowice Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7134-8675","authenticated-orcid":false,"given":"Jos\u00e9 C. 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