Crystals, Free Full-Text

Narrowing the band gap and increasing the photodegradation efficiency of TiO2-based photocatalysts are very important for their wide application in environment-related fields such as photocatalytic degradation of toxic pollutants in wastewater. Herein, a three-dimensionally ordered macroporous Pt-loaded TiO2 photocatalyst (3DOM Pt/TiO2) has been successfully synthesized using a facile colloidal crystal-template method. The resultant composite combines several morphological/structural advantages, including uniform 3D ordered macroporous skeletons, high crystallinity, large porosity and an internal electric field formed at Pt/TiO2 interfaces. These unique features enable the 3DOM Pt/TiO2 to possess a large surface for photocatalytic reactions and fast diffusion for mass transfer of reactants as well as efficient suppression of recombination for photogenerated electron-hole pairs in TiO2. Thus, the 3DOM Pt/TiO2 exhibits significantly enhanced photocatalytic activity. Typically, 88% of RhB can be degraded over the 3DOM Pt/TiO2 photocatalyst under visible light irradiation (λ ≥ 420 nm) within 100 min, much higher than that of the commercial TiO2 nanoparticles (only 37%). The underlying mechanism for the enhanced photocatalytic activity of 3DOM Pt/TiO2 has been further analyzed based on energy band theory and ascribed to the formation of Schottky-type Pt/TiO2 junctions. The proposed method herein can provide new references for further improving the photocatalytic efficiency of other photocatalysts via rational structural/morphological engineering.

Lead-free perovskite solar cells using Sb and Bi-based A3B2X9 and

Crystals Cloth Wipes – Cruelty-Free Stitchery

Make it Real - Bracelete Creation Set with Swarovski Crystals

Crystals Cloth Wipes – Cruelty-Free Stitchery

16 Crystal and Stone Printable Cards Crystal & Stone Meaning

400 Digital Crystal Cards that are fully editable in Canva. Only a free Canva account is required. These gemstone meaning cards are a wonderful

400 Digital Crystal Cards, Editable Gemstone Meaning Cards, Healing St

I have 3 big boxes full of destash crystals that don't have a home

Blessed Full Moon in Gemini! — the moon + stone healing

Witch svg File, Crystals SVG, Witch Bundle svg, crystal ball svg

Nuclear coupling of 33S and the nature of free radicals in

Bergamot Black Fasting Tea Fasting Tea Formulated With Dr. Jason

Large Crystals