利用可见光，通过酶修饰的 TiO2 纳米粒子实现 CO2 的高效、清洁光还原为 CO。
Efficient and clean photoreduction of CO(2) to CO by enzyme-modified TiO(2) nanoparticles using visible light.
机构信息
Department of Chemistry, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, UK.
出版信息
J Am Chem Soc. 2010 Feb 24;132(7):2132-3. doi: 10.1021/ja910091z.
Abstract
A hybrid enzyme-nanoparticle system is described for achieving clean reduction of CO(2) to CO using visible light as the energy source. An aqueous dispersion of TiO(2) nanoparticles modified by attachment of carbon monoxide dehydrogenase (CODH) and a Ru photosensitizer produces CO at a rate of 250 mumol of CO (g of TiO(2))(-1) h(-1) when illuminated with visible light at pH 6 and 20 degrees C.
摘要
一种混合酶-纳米粒子系统被描述为使用可见光作为能源，实现对 CO2 的清洁还原为 CO。通过附着一氧化碳脱氢酶（CODH）和 Ru 光敏剂对 TiO2 纳米粒子进行修饰的水性分散体在 pH 值为 6 和 20 摄氏度时用可见光照射时，以 CO 的速率产生 250µmol CO（g 的 TiO2）（-1）h（-1）。
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