Jo, Yeongin Yoon, Doohoo Yang, Sungeun Kim, Chaeryeong Hong, Jeeho Kim, Tae Wan Suh, Young-Woong 2025-07-18T08:30:16Z 2025-07-18T08:30:16Z 2025-07-18 2025-12 0926-3373 https://pubs.kist.re.kr/handle/201004/152804 Strong metal-support interaction (SMSI) has played versatile roles in determining the catalytic performance of supported metal species. In TiO2-based catalysts, the SMSI effect, particularly involving TiOx coverage, is highly sensitive to the synthesis methodology and thermal treatment. In this study, we present a strategy of solid-state mixing via solvent-deficient precipitation to integrate a reducible anatase-TiO2 (a-TiO2) with Pt nanoclusters and a non-reducible Al2O3 support. This approach affords a mesoporous Pt-Al2O3-TiO2 catalyst (mPtAT) with heterogeneously structured interfaces, where Pt nanoclusters adjacent to TiO2 are covered by TiOx up to approximately half of their height from the Pt-TiO2 interface. This coverage induces more partially oxidized Pt species while suppressing under-coordinated Pt sites. These structural characteristics enable mPtAT to exhibit profound catalytic activity, enhanced product selectivity and long-term stability for hydrogen release from liquid organic hydrogen carriers (LOHC). Moreover, the SMSI effects noticed in mPtAT are confirmed by varying the H2 reduction temperature and a-TiO2 content. Consequently, the solid-state mixing strategy can derive the localized generation of TiOx-tailored Pt nanoclusters near the TiO2 surface of mPtAT, demonstrating the catalytic outperformance in efficiency and stability of LOHC dehydrogenation reactions. English Elsevier BV Localized formation of TiOx-tailored Pt nanoclusters on Al2O3 via a solid-state mixing approach for efficient and robust LOHC dehydrogenation Article 10.1016/j.apcatb.2025.125612 1 Applied Catalysis B: Environment and Energy, v.378 Applied Catalysis B: Environment and Energy 378 N scie scopus 001520026300002 Chemistry, Physical Engineering, Environmental Engineering, Chemical Chemistry Engineering Article METAL-SUPPORT INTERACTIONS CO OXIDATION CATALYST PLATINUM SELECTIVITY TIO2-AL2O3 CLUSTERS ENHANCE MODEL ATOMS Platinum Strong metal-support interaction Mobility Solid-state mixing Dehydrogenation TiO2