02326nas a2200277   4500008004100000022001400041245012700055210006900182260000800251490000700259520134800266653002301614653002601637653002401663653001901687653001201706100002001718700002701738700002901765700002401794700002301818700002801841700003001869700001801899856013101917       2025                        eng d  a1861-472800aSynthesis of Pd-integrated carbon Dot@TiO2 thin film for photocatalytic glycerol reforming reaction for producing hydrogen0 aSynthesis of Pdintegrated carbon DotTiO2 thin film for photocata  cNOV0 v203 a<p>
	A series of thin-film photocatalysts comprising TiO2 modified with carbon dots (CDs) dispersed either with palladium (Pd-CD/TiO2) or nickel (Ni-CD/TiO2) were synthesized via solid-state and wet-impregnation methods. Morphological characterization (HR-TEM, SEM-EDS) confirmed the anatase phase of TiO2 and the atomic dispersion of metal-integrated CDs on its surface. UV-vis DRS and XPS analyses revealed a marginal red shift in band-gap and the presence of sp2-hybridized graphitic carbon, and metal-carbon interactions, indicating enhanced light absorption and charge separation through Schottky junctions. Under direct sunlight illumination, Pd-CD/TiO2 thin film exhibited superior hydrogen yield (1167 mu mol g-1 h-1) and maintained stability over 25 h, outperforming Ni-CD/TiO2 (494 mu mol g-1 h-1) and bare TiO2 (166 mu mol g-1 h-1) photocatalyst thin films. Concurrent glycerol oxidation at neutral pH (pH similar to 7) yields glycolaldehyde (41% selectivity), formic acid, and dihydroxyacetone as value-added products. Enhanced photocurrent density and lower impedance of Pd-CD/TiO2 corroborate improved charge carrier separation and dynamics. The results demonstrate that Pd-CD synergistically improves the photocatalytic performance of the Pd-CD/TiO2 for sustainable hydrogen generation and selective biomass valorization.</p>
10aGlycerol oxidation10aGraphitic carbon dots10ahydrogen production10aPhotocatalysis10atitania1 aAbraham, Athira1 aSalgaonkar, Kranti, N.1 aNivedhitha, Thazhath, R.1 aEkal, Vishal, Ashok1 aKondhekar, Deepali1 aChakraborty, Shubhankar1 aGopinath, Chinnakonda, S.1 aSaha, Avishek  uhttps://library.ncl.res.in/content/synthesis-pd-integrated-carbon-dottio2-thin-film-photocatalytic-glycerol-reforming-reaction