This study examines the performance of a series of Au/TNF-T-t photocatalysts for alcohol photoreforming under UV excitation. Hydrothermally grown TiO₂ nanoflowers were calcined at different temperatures (T = 300−800 ℃) and times (t = 1−5 h). The obtained TNF-T-t photocatalysts, each possessing a hierarchical nanoflower morphology, were subsequently decorated with Au nanoparticles (Au loading = 1.5 wt.%) and their performance evaluated for alcohol photoreforming under UV (365 nm, 6.5 mW cm⁻²). The Au/TNF-600-1 photocatalyst outperformed Au/P25 TiO₂ and various Au/anatase reference photocatalysts for H₂ evolution in 10 vol.% glycerol and 10 vol.% ethanol, delivering H₂ production rates of 32.1 and 23.8 mmol g⁻¹ h⁻¹, respectively (the latter being twice that of Au/P25 TiO₂). Detailed TEM characterization studies revealed that the petals of the Au/TNF-600-1 nanoflowers contained very thin sheets of highly crystalline anatase nanocrystals. The nanosheets promoted electron and hole migration to the photocatalyst surface, thereby enhancing alcohol photoreforming kinetics.

这项研究检查了一系列Au / TNF-Tt光催化剂在紫外光激发下酒精光重整的性能。在不同温度（T = 300-800℃）和时间（t = 1-5 h）下煅烧水热生长的TiO ₂纳米花。随后将各自具有分级的纳米花形态的获得的TNF-Tt光催化剂用Au纳米颗粒（Au负载= 1.5 wt。％）修饰，并评价其在UV（365 nm，6.5 mW cm ^-2）下醇光重整的性能。在Au / TNF-600-1光催化剂优于金/ P25的TiO ₂和各种金/锐钛矿的光催化参考用于h ₂在10体积的演变。％甘油和10％（体积）乙醇，提供ħ _2个的32.1的生产速率和23.8毫摩尔克分别为^-1 h ^-1（后者是Au / P25 TiO _2的两倍）。详细的TEM表征研究表明，Au / TNF-600-1纳米花的花瓣包含非常薄的高度结晶的锐钛矿型纳米晶体片。纳米片促进了电子和空穴迁移至光催化剂表面，从而增强了醇的光重整动力学。