Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Volume 42 , Issue 3
Showing 1-43 articles out of 43 articles from the selected issue
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  • Kiyoshi Tsuge
    2013 Volume 42 Issue 3 Pages 204-208
    Published: March 05, 2013
    Released: February 23, 2013
    JOURNALS FREE ACCESS
    Luminescent copper(I) complexes have been extensively studied in recent decades with various ligands showing their rich photophysical and photochemical properties. In this contribution, the luminescent halogeno copper(I) complexes, especially those with a halogeno-bridged dicopper(I) unit {Cu2(µ-X)2}, one of the basic, common structural motifs among the halogeno copper(I) family, are described from the view point of influences of coligands upon their luminescent properties. Discussions are extended to complexes with the halogeno-bridged tetranuclear unit {Cu43-X)4}, being another common structural motif, to examine the dominant emissive excited states in halogeno copper(I) complexes.
    Luminescent copper(I) complexes have been extensively studied in these decades with various ligands showing their rich photophysical and photochemical properties. In this contribution, the luminescent halogeno copper(I) complexes, especially those with halogeno-bridged dicopper(I) unit {Cu2(µ-X)2}, one of the basic, common structural motifs among halogeno copper(I) family, are described from the view point of influences of coligands upon their luminescent properties. Discussions are extended to the complexes with the halogeno-bridged tetranuclear unit {Cu43-X)4}, being another common structural motif, to examine the dominant emissive excited states in halogeno copper(I) complexes. Fullsize Image
     
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  • Makoto Murakami, Yasuyuki Araki, Seiji Sakamoto, Yoshiki Hamada, Takeh ...
    2013 Volume 42 Issue 3 Pages 261-262
    Published: March 05, 2013
    Released: February 23, 2013
    JOURNALS OPEN ACCESS
    A new circular dichroism (CD) measurement system based on the detection of elliptically polarized light has been proposed. The approach has several unique and inherent advantages, such as sensitivities, reliability, and reproducibility, over conventional systems and Kliger’s pioneering work. We have rederived the Jones calculus and introduced the angular term into the formulation revealing that this approach should improve the signal intensity by controlling the light ellipticity. Therefore, we have first demonstrated the hypothesis by the quantitative analysis of the signal intensity measuring of the split CD pattern of tris(bipyridine)ruthenium(II) dichloride with the system. The CD signals increasing with decreasing the azimuth of retarder was clearly observed, enabling detection of CD signal with high sensitivity.
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