A study of acridine and acridinium-substituted bis(terpyridine)zinc(II) and ruthenium(II) complexes as photosensitizers for O-2 ((1)Delta(g)) generation

Eberhard J, Peuntinger K, Rath S, Neumann B, Stammler H-G, Guldi DM, Mattay J (2014)
Photochemical & Photobiological Sciences 13(2): 380-396.

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Abstract
The homoleptic zinc(II) and ruthenium(II) metal complexes of bis(tridentate) 9-acridine and 10-methyl-9-acridinium-substituted terpyridines were tested for their suitability as triplet photosensitizers (PS) using the photooxidation of 1,5-dihydroxynaphthalene (DHN) to Juglone as a model reaction. Singlet oxygen (O-2 (1)Delta(g)) generation is superior or comparable to Ru(bpy)(3)(2+) for the acridine complexes, whereas the acridinium complexes are ineffective. The molecular structure of the bis(9-(5-([2,2': 6',2 ''-terpyridin]-4'-yl)-thien-2-yl)-10-methylacridinium)zinc(II) complex ([Zn(MeATT)(2)][PF6](4)) is determined by X-ray structure analysis, whereas for other complexes DFT calculations were performed for structural parameters to obtain insights into their electronic properties.
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Eberhard J, Peuntinger K, Rath S, et al. A study of acridine and acridinium-substituted bis(terpyridine)zinc(II) and ruthenium(II) complexes as photosensitizers for O-2 ((1)Delta(g)) generation. Photochemical & Photobiological Sciences. 2014;13(2):380-396.
Eberhard, J., Peuntinger, K., Rath, S., Neumann, B., Stammler, H. - G., Guldi, D. M., & Mattay, J. (2014). A study of acridine and acridinium-substituted bis(terpyridine)zinc(II) and ruthenium(II) complexes as photosensitizers for O-2 ((1)Delta(g)) generation. Photochemical & Photobiological Sciences, 13(2), 380-396.
Eberhard, J., Peuntinger, K., Rath, S., Neumann, B., Stammler, H. - G., Guldi, D. M., and Mattay, J. (2014). A study of acridine and acridinium-substituted bis(terpyridine)zinc(II) and ruthenium(II) complexes as photosensitizers for O-2 ((1)Delta(g)) generation. Photochemical & Photobiological Sciences 13, 380-396.
Eberhard, J., et al., 2014. A study of acridine and acridinium-substituted bis(terpyridine)zinc(II) and ruthenium(II) complexes as photosensitizers for O-2 ((1)Delta(g)) generation. Photochemical & Photobiological Sciences, 13(2), p 380-396.
J. Eberhard, et al., “A study of acridine and acridinium-substituted bis(terpyridine)zinc(II) and ruthenium(II) complexes as photosensitizers for O-2 ((1)Delta(g)) generation”, Photochemical & Photobiological Sciences, vol. 13, 2014, pp. 380-396.
Eberhard, J., Peuntinger, K., Rath, S., Neumann, B., Stammler, H.-G., Guldi, D.M., Mattay, J.: A study of acridine and acridinium-substituted bis(terpyridine)zinc(II) and ruthenium(II) complexes as photosensitizers for O-2 ((1)Delta(g)) generation. Photochemical & Photobiological Sciences. 13, 380-396 (2014).
Eberhard, Jens, Peuntinger, Katrin, Rath, Susann, Neumann, Beate, Stammler, Hans-Georg, Guldi, Dirk M., and Mattay, Jochen. “A study of acridine and acridinium-substituted bis(terpyridine)zinc(II) and ruthenium(II) complexes as photosensitizers for O-2 ((1)Delta(g)) generation”. Photochemical & Photobiological Sciences 13.2 (2014): 380-396.
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