Application of ionic liquids containing tricyanomethanide [C(CN) 3]- or tetracyanoborate [B(CN)4]- anions in dye-sensitized solar cells

Magdalena Marszalek; Zhaofu Fei; Dun Ru Zhu; Rosario Scopelliti; Paul J. Dyson; Shaik Mohammed Zakeeruddin; Michael Grätzel

doi:10.1021/ic201513m

Application of ionic liquids containing tricyanomethanide [C(CN) ₃]^- or tetracyanoborate [B(CN)₄]^- anions in dye-sensitized solar cells

Magdalena Marszalek, Zhaofu Fei, Dun Ru Zhu, Rosario Scopelliti, Paul J. Dyson, Shaik Mohammed Zakeeruddin, Michael Grätzel

College of Chemical Engineering

Swiss Federal Institute of Technology Lausanne

Research output: Contribution to journal › Article › peer-review

98 Scopus citations

Abstract

A series of novel ionic liquids composed of imidazolium, pyridinium, pyrrolidinium, and ammonium cations with tricyanomethanide or tetracyanoborate anions were prepared. The ionic liquids were characterized by NMR and IR spectroscopy and ESI-mass spectrometry, and their physical properties were investigated. Solid state structures of the N-propyl-N-methylpyrrolidinium and triethylpropylammonium tetracyanoborate salts were obtained by single crystal X-ray diffraction. The salts that are liquid at room temperature were evaluated as electrolyte additives in dye-sensitized solar cells, giving rise to efficiencies 7.35 and 7.85% under 100 and 10% Sun, respectively, in combination with the standard Z907 dye.

Original language	English
Pages (from-to)	11561-11567
Number of pages	7
Journal	Inorganic Chemistry
Volume	50
Issue number	22
DOIs	https://doi.org/10.1021/ic201513m
State	Published - 21 Nov 2011

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title = "Application of ionic liquids containing tricyanomethanide [C(CN) 3]- or tetracyanoborate [B(CN)4]- anions in dye-sensitized solar cells",

abstract = "A series of novel ionic liquids composed of imidazolium, pyridinium, pyrrolidinium, and ammonium cations with tricyanomethanide or tetracyanoborate anions were prepared. The ionic liquids were characterized by NMR and IR spectroscopy and ESI-mass spectrometry, and their physical properties were investigated. Solid state structures of the N-propyl-N-methylpyrrolidinium and triethylpropylammonium tetracyanoborate salts were obtained by single crystal X-ray diffraction. The salts that are liquid at room temperature were evaluated as electrolyte additives in dye-sensitized solar cells, giving rise to efficiencies 7.35 and 7.85% under 100 and 10% Sun, respectively, in combination with the standard Z907 dye.",

author = "Magdalena Marszalek and Zhaofu Fei and Zhu, {Dun Ru} and Rosario Scopelliti and Dyson, {Paul J.} and Zakeeruddin, {Shaik Mohammed} and Michael Gr{\"a}tzel",

year = "2011",

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doi = "10.1021/ic201513m",

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T1 - Application of ionic liquids containing tricyanomethanide [C(CN) 3]- or tetracyanoborate [B(CN)4]- anions in dye-sensitized solar cells

AU - Marszalek, Magdalena

AU - Fei, Zhaofu

AU - Zhu, Dun Ru

AU - Scopelliti, Rosario

AU - Dyson, Paul J.

AU - Zakeeruddin, Shaik Mohammed

AU - Grätzel, Michael

PY - 2011/11/21

Y1 - 2011/11/21

N2 - A series of novel ionic liquids composed of imidazolium, pyridinium, pyrrolidinium, and ammonium cations with tricyanomethanide or tetracyanoborate anions were prepared. The ionic liquids were characterized by NMR and IR spectroscopy and ESI-mass spectrometry, and their physical properties were investigated. Solid state structures of the N-propyl-N-methylpyrrolidinium and triethylpropylammonium tetracyanoborate salts were obtained by single crystal X-ray diffraction. The salts that are liquid at room temperature were evaluated as electrolyte additives in dye-sensitized solar cells, giving rise to efficiencies 7.35 and 7.85% under 100 and 10% Sun, respectively, in combination with the standard Z907 dye.

AB - A series of novel ionic liquids composed of imidazolium, pyridinium, pyrrolidinium, and ammonium cations with tricyanomethanide or tetracyanoborate anions were prepared. The ionic liquids were characterized by NMR and IR spectroscopy and ESI-mass spectrometry, and their physical properties were investigated. Solid state structures of the N-propyl-N-methylpyrrolidinium and triethylpropylammonium tetracyanoborate salts were obtained by single crystal X-ray diffraction. The salts that are liquid at room temperature were evaluated as electrolyte additives in dye-sensitized solar cells, giving rise to efficiencies 7.35 and 7.85% under 100 and 10% Sun, respectively, in combination with the standard Z907 dye.

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Application of ionic liquids containing tricyanomethanide [C(CN) ₃]^- or tetracyanoborate [B(CN)₄]^- anions in dye-sensitized solar cells

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