한국섬유공학회지 (Textile Science and Engineering)

  • 제59권5호
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  • Pages.264-270
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  • 2022
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
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DOI QR코드

DOI QR Code

다양한 대이온을 가지는 헵타메틴계 인돌린 시아닌 염료의 합성과 광학 특성 연구

Synthesis and Optical Properties of Heptamethine Indolenine Cyanine Dyes Containing Various Counter Anions

  • 박세정 (부산대학교 응용화학공학부) ;
  • 고팔 발라무루간 (부산대학교 응용화학공학부) ;
  • 장재웅 (부산대학교 응용화학공학부) ;
  • 박종승 (부산대학교 응용화학공학부)
  • Park, Se Jeong (School of Chemical Engineering, Pusan National University) ;
  • Gopal, Balamurugan (School of Chemical Engineering, Pusan National University) ;
  • Jang, Jae Woong (School of Chemical Engineering, Pusan National University) ;
  • Park, Jong S. (School of Chemical Engineering, Pusan National University)
  • 투고 : 2022.09.19
  • 심사 : 2022.10.24
  • 발행 : 2022.10.31
⟨ 이전 논문 다음 논문 ⟩

초록

Cyanine dyes exhibit excellent spectral properties, featuring broad wavelength tunability and a high absorption coefficient. However, for optimal spectral properties, they need to retain a monomeric state, which alleviates aggregation. Herein, we present the synthesis and properties of hexyl-substituted heptamethine indolenine cyanine dye containing various anions. The prepared cyanine dye exhibited strong absorption properties at approximately 800 nm in the near-infrared region. Different counter anions, including bromide (Br), tetrafluoroborate (BF4), bis(trifluoromethanesulfonyl)imide (TFSI), and tetrakis (pentafluorophenyl)borate (TPFB), were incorporated to examine the effect on the aggregational and resulting optical behaviors. Among these, the cyanine with TPFB anions showed a preferential monomeric peak in the UV-Vis spectra, indicating that the large TPFB anion acts as a potent aggregation inhibitor. Furthermore, the photothermal performance of the cyanine dye with the TPFB anion was evaluated, exhibiting a suitable temperature profile, kinetic stability, and photothermal conversion efficiency. Furthermore, the cyanide sensing response was examined, with the prepared cyanine dyes exhibiting high binding constants and low detection limits.

키워드

과제정보

이 논문은 부산대학교 기본연구지원사업(2년)에 의하여 연구되었음.

참고문헌

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