Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology, Meguro-ku, Tokyo, Japan.
Angew Chem Int Ed Engl. 2012 Sep 24;51(39):9865-9. doi: 10.1002/anie.201204635. Epub 2012 Sep 5.
Tripping the light fantastic: Despite small band gap energies (1.7-1.8 eV), BaZrO(3)-BaTaO(2)N solid solutions (Zr/Ta≤0.1) are capable of photocatalyzing both water oxidation and reduction even under irradiation above 660 nm. Solar water splitting to form H(2) and O(2) was also demonstrated using a photoelectrochemical cell consisting of a BaZrO(3)-BaTaO(2)N solid solution as an anode and a Pt wire cathode.
尽管带隙能较小（1.7-1.8 eV），但 BaZrO(3)-BaTaO(2)N 固溶体（Zr/Ta≤0.1）在 660nm 以上的光照下仍能光催化水的氧化和还原。使用由 BaZrO(3)-BaTaO(2)N 固溶体作为阳极和 Pt 丝阴极的光电化学电池，也证明了可以进行太阳能分解水以形成 H(2)和 O(2)。
