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http://hdl.handle.net/1942/2473
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DC Field | Value | Language |
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dc.contributor.author | Sleven, J | - |
dc.contributor.author | Cardinaels, T | - |
dc.contributor.author | Binnemans, K | - |
dc.contributor.author | NELIS, Daniel | - |
dc.contributor.author | MULLENS, Jules | - |
dc.contributor.author | Hinz-Hubner, D | - |
dc.contributor.author | Meyer, G | - |
dc.date.accessioned | 2007-11-15T07:39:39Z | - |
dc.date.available | 2007-11-15T07:39:39Z | - |
dc.date.issued | 2003 | - |
dc.identifier.citation | LIQUID CRYSTALS, 30(2). p. 143-148 | - |
dc.identifier.issn | 0267-8292 | - |
dc.identifier.uri | http://hdl.handle.net/1942/2473 | - |
dc.description.abstract | Cobalt(II) phthalocyanines substituted with eight alkoxy chains in the peripheral (2, 3, 9, 10, 16, 17, 23, 24) positions were prepared. The alkoxy chain length was varied between n-butyloxy (C4H9O) and n-octadecyloxy (C18H37O). Studies by polarizing optical microscopy and high temperature X-ray diffraction revealed that all the complexes are liquid crystalline and that they exhibit a hexagonal columnar mesophase (Col(h)). Transition enthalpies were determined by differential scanning calorimetry. The clearing point could only be observed for compounds with a chain length longer than C13H27O. Both the melting and clearing points decrease with increasing chain length. The transition temperatures of these discotic metallo-mesogens are higher than those of the corresponding metal-free phthalocyanines, but are comparable with those of the corresponding copper(II) compounds. The thermal decomposition of the compounds was studied by thermogravimetry. | - |
dc.language.iso | en | - |
dc.publisher | TAYLOR & FRANCIS LTD | - |
dc.title | Mesophase behaviour and thermal stability of octa-alkoxy substituted phthalocyaninatocobalt(II) complexes | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 148 | - |
dc.identifier.issue | 2 | - |
dc.identifier.spage | 143 | - |
dc.identifier.volume | 30 | - |
local.format.pages | 6 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | Katholieke Univ Leuven, Dept Chem, B-3001 Louvain, Belgium. Limburgs Univ Ctr, IMO, Lab Inorgan & Phys Chem, B-3590 Diepenbeek, Belgium. Univ Cologne, Inst Anorgan Chem, D-50939 Cologne, Germany.Binnemans, K, Katholieke Univ Leuven, Dept Chem, Celestijnenlaan 200F, B-3001 Louvain, Belgium.Koen.Binnemans@chem.kuleuven.ac.be | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1080/0267829031000075442 | - |
dc.identifier.isi | 000181726900004 | - |
item.fulltext | No Fulltext | - |
item.accessRights | Closed Access | - |
item.contributor | Sleven, J | - |
item.contributor | Cardinaels, T | - |
item.contributor | Binnemans, K | - |
item.contributor | NELIS, Daniel | - |
item.contributor | MULLENS, Jules | - |
item.contributor | Hinz-Hubner, D | - |
item.contributor | Meyer, G | - |
item.fullcitation | Sleven, J; Cardinaels, T; Binnemans, K; NELIS, Daniel; MULLENS, Jules; Hinz-Hubner, D & Meyer, G (2003) Mesophase behaviour and thermal stability of octa-alkoxy substituted phthalocyaninatocobalt(II) complexes. In: LIQUID CRYSTALS, 30(2). p. 143-148. | - |
item.validation | ecoom 2004 | - |
crisitem.journal.issn | 0267-8292 | - |
crisitem.journal.eissn | 1366-5855 | - |
Appears in Collections: | Research publications |
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