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Volumn 43, Issue 46, 2004, Pages 6346-6350

Photoswitchable organic nanoparticles and a polymer film employing multifunctional molecules with enhanced fluorescence emission and bistable photochromism

Author keywords

Aggregation; Fluorescence; Nanotechnology; Photochromism; Polymers

Indexed keywords

FLUORESCENCE; PHOTOCHROMISM; POLYMERS; THIN FILMS;

EID: 11144304028     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200461172     Document Type: Article
Times cited : (475)

References (31)
  • 15
    • 0348080703 scopus 로고    scopus 로고
    • M. Irie, Chem. Rev. 2000, 100, 1685-1716.
    • (2000) Chem. Rev. , vol.100 , pp. 1685-1716
    • Irie, M.1
  • 20
    • 11144351991 scopus 로고    scopus 로고
    • note
    • Preparation of FPONs: All suspensions of FPONs were prepared by the reprecipitation method from THF solution with distilled water. Volume fractions of THF and water were adjusted to 20 and 80%, respectively. See ref. [19] for details.
  • 21
    • 11144280152 scopus 로고    scopus 로고
    • note
    • F values in 200 ± 50 and 275 ± 75 nm FPONs of 1a results from the highly increased virtual absorbance values by increased light scattering. In fact, the extent of the apparent absorbance of the FPONs of 1a at the excitation wavelength, that is at 360 nm, was almost linearly proportional to their suspension concentrations in spite of the inverse proportional relationship between the mean radius and the surface-to-volume ratio of the FPONs.
  • 24
    • 0033516886 scopus 로고    scopus 로고
    • H. Auweter, H. Haberkorn, W. Heckmann, D. Horn, E. Lüddecke, J. Rieger, H. Weiss, Angew. Chem. 1999, 111, 2325-2328; Angew. Chem. Int. Ed. 1999, 38, 2188-2191.
    • (1999) Angew. Chem. Int. Ed. , vol.38 , pp. 2188-2191
  • 27
    • 11144309045 scopus 로고    scopus 로고
    • note
    • 3 solution, 22°C, 300 MHz) on the 1a form showed that the parallel and antiparallel conformations were equally populated in solution, as evident by there only being two singlet resonances at δ = 1.98 and 1.91 ppm without any splitting. These signals were assigned as the methyl protons at the 2-positions of the thiophene rings of the 1a form (see ref. [27]). The conversion rate of about 35 % in the PSS was calculated by the integrated ratio between the singlet peaks of methyl protons in the 1a form and those in the 1b form, which newly appeared at δ = 2.15 and 2.11 ppm.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.