A Novel High-Throughput Screening of Multicomponent Photocatalysts for Decomposition of Organic Pollutants Based on Fluorescence Imaging

作者：Zhang, Meijuan; Lee, Jianchao^*; Wang, Liping; Duan, Qianlan; Zhang, Jiarui; Qi, Hailang

来源：ChemCatChem, 2015, 7(23): 3978-3984.

DOI：10.1002/cctc.201500936

• fluorescence
• high-throughput screening
• microreactors
• molybdenum
• photolysis

A novel high-throughput screening (HTS) method based on fluorescence imaging was developed for the exploration of photocatalysts. In our HTS method, UV lithography technique was adopted to prepare a chip with 1262 independent microreactors. Aiming to fabricate a large group of catalysts, we selected the sulfides of six metals, Cd, Ni, Zn, Sr, Ce, Y to modify nano-MoS2. In practice, a color ink-jet printing technology was adapted to obtain a catalyst library. The structural feature and chemical composition of the individual catalysts were typically characterized by scanning electron microscopy and X-ray photoelectron spectroscopy. The catalytic performance of the library was evaluated with fluorescence imaging. The selected catalysts with the highest catalytic activity are the following three combinations of (Cd0.03Ni0.77Zn0.04Sr0.02Ce0.12Y0.01)S-x/MoS2, (Cd0.23Ni0.06Zn0.18Sr0.00Ce0.26Y0.27) S-x/MoS2, and (Cd0.04Ni0.32Zn0.31Sr0.00Ce0.18Y0.15) S-x/MoS2, which were verified in conventional batch reactions.

• 出版日期2015-12-1
• 单位陕西师范大学