Tsutomu Shiragami, aruki Nakamura, Jin Matsumoto, Masahide Yasuda, Yoshiyuki Suzuri, Hiroshi Tachibana, Haruo Inoue“Two-Electron Oxidation of Water to Form Hydrogen Peroxide Sensitized by Di(Hydroxo) Porphyrin GeIV Complex under Visible-Light Irradiation”Journal of Photochemistry and Photobioloty A: Chemistry, 313