Combinatorial Electrochemical Synthesis and Screening of Mesoporous ZnO for Photocatalysis

✍ Scribed by Thomas F. Jaramillo; Sung-Hyeon Baeck; Alan Kleiman-Shwarsctein; Eric W. McFarland

• Book ID: 102492486
• Publisher: John Wiley and Sons
• Year: 2004
• Tongue: English
• Weight: 162 KB
• Volume: 25
• Category: Article
• ISSN: 1022-1336
• DOI: 10.1002/marc.200300187

✦ Synopsis

Abstract

Summary: Automated electrochemical synthesis was used to create combinatorial libraries of mesoporous materials using tri‐block copolymers as structure directing agents (SDA). An example library of 56 ZnO samples was synthesized, varying concentrations (0–15 wt.‐%) of poly(ethylene oxide)‐block‐poly(propylene oxide)‐block‐poly(ethylene oxide) – EO~20~PO~70~EO~20~. High‐throughput photoelectrochemical screening for the measurement of water‐splitting photocatalysis identified peak performance at 3 wt.‐% of the SDA. Lamellar structures and disordered mesopores were observed by TEM and XRD.

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