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제124회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Crystal Structures and Photoluminescent Properties of Dimethyl Sulfonium Salts based on π-Electron Deficient Spacers

등록일
2019년 8월 29일 16시 39분 33초
접수번호
1877
발표코드
PHYS.P-219 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 17일 (목요일) 11:00~12:30
발표형식
포스터
발표분야
Physical Chemistry
저자 및
공동저자
Juhyeon Park, Tae Ho Kim, Cheol Joo Moon, Sang Hun Yeon, Myong Yong Choi*, Jineun Kim*
Department of Chemistry, Gyeongsang National University, Korea
2,7-bis[3-(methylthio)propyl]-benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetrone (1)/ 2,6-bis[3-(methylthio)propyl]-benzo[1,2-c:4,5-c']dipyrrole-1,3,5,7(2H,6H)-tetrone (2) were synthesized by the reaction of 1,4,5,8-naphthalenetetracarboxylic dianhydride/benzene-1,2,4,5-tetracarboxylic dianhydride with 3-(methylthio)propylamine. Bis-dimethylsulfonium iodides 3 and 4 were prepared by methylation of 1 and 2 with iodomethane. Two compounds 3 and 4 were composed of central naphthalene diimide/pyromellitic diimide, terminal dimethylpropylenyl sulfonium groups (Me2SCH2CH2CH2-) and iodides, respectively. Crystal structures of 3 and 4 were determined by single crystal X-ray diffraction. 3 and 4 were crystallized in monoclinic P21/c and P21/n space group, respectively. 3 and 4 lie on the crystallographic inversion center. Bis-dimethylsulfonium iodide 3 is non-emissive, while 4 is emissive. The emission spectra of 4 showed maximum peaks at about 405nm and 576nm in the solution and solid state at room temperature, respectively.

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