Fig. 4From: Sustainable hydrogen production from water using tandem dye-sensitized photoelectrochemical cellsExamples of ruthenium polypyridyl chromophores 1, [60] 2, [63] 3, [61, 65] 4, [13] 5, [64] 6, [12] 7, [66] 8, [67] 9, [68] and 10 [68] used in DSPEC related studies. TBA+ tetrabutylammoniumBack to article page