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Study of Near Infrared Squarylium Dyes on Synthesis and Spectroscopic Properties

Author: WangFengYun
Tutor: DuanQian；SunJingLiang
School: Changchun University of Science and Technology
Course: Inorganic Chemistry
Keywords: Near infrared absorbing dyes Squarylium dye Spectroscopy
CLC: TQ610.1
Type: Master's thesis
Year: 2010
Downloads: 196
Quote: 6
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Abstract


Squaraine dye is a very important class of near-infrared absorbing dye has very important applications in laser protection, electrophotography , optical recording . The success of this thesis, synthesis of three types of squaraine near-infrared absorbing dyes , and its structure was characterized using infrared spectroscopy and nuclear magnetic resonance spectroscopy ; ultraviolet - visible - near infrared spectroscopy test results show that : The two the ( dihydro primary piperidine ) squarylium dye compound (A ) has a strong absorption in the range of 780-820nm , the three the (dihydro primary piperidine ) squarylium dye compounds (B ) have strong absorption in the range of 900-1000nm , four ( dihydro the primary pyridine ) the the squaraine dye compounds (C ) in the range of 1050-1100nm , strong absorption ; thermogravimetric tests show that these three have good thermal stability ; solubility test results show that they are in a conventional solvent has good solubility . See these three types of parties acids cyanine dyes has tremendous application potential in the near-infrared absorption .

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CLC: > Industrial Technology > Chemical Industry > Dyes and intermediates industry > General issues > Basic theory
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