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Packing of ruthenium sensitizer molecules on mostly exposed faces of nanocrystalline TiO2: Crystal structure of (NBu4+)2(Ru(H2tctterpy)(NCS)3)2-cntdot0.5 DMSO


, : Packing of ruthenium sensitizer molecules on mostly exposed faces of nanocrystalline TiO2: Crystal structure of (NBu4+)2(Ru(H2tctterpy)(NCS)3)2-cntdot0.5 DMSO. Applied Organometallic Chemistry 16(11): 635-642

An X-ray crystal study of the new 'black dye' sensitizer tri(thiocyanato)(4,4',4"-tricarboxy-2,2':6',2"-terpyridine)ruthenium(II) is reported. In the crystal, strong hydrogen bonds form chains of ruthenium complex dianions with the OcntdotcntdotcntdotO distances of 2.48-2.54 ANG. From the molecular geometry of the dianions, structural models of their close packing on the (101) and (001) crystal surfaces of TiO2 (anatase) have been built.

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