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Volumn 42, Issue 23, 2003, Pages 2677-2681

Synthesis, photophysical properties, and nanocrystal formation of a new class of tetra-n-substituted perylenes

Author keywords

Dyes; Fluorescence; Perylenes; Scanning probe microscopy; Self assembly

Indexed keywords

ATOMIC FORCE MICROSCOPY; MONOMERS; NANOSTRUCTURED MATERIALS; OLEFINS; SYNTHESIS (CHEMICAL);

EID: 0038451447     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200351348     Document Type: Article
Times cited : (22)

References (75)
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    • note
    • The DMSO solvent molecules adopt two different orientations with the result that the asymmetric unit of the triclinic crystal consists of a half molecule of 2 with two disordered DMSO molecules of half occupancy.
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    • em=0.99) was used as a standard. Quantum yields and lifetimes are reported or air saturated dichloromethane solutions. The excitation wavelength was 392 nm, and the optical density of both the reference and the sample was adjusted to 0.1 (1 cm) at this wavelength. Absorption spectra were recorded on a Hewlett Packard 8453 diode array spectrophotometer, using 1 nm bandwidth. Time resolved emission was recorded with a Hamamatsu C-5680 streak camera equipped with an M 5677 sweep unit. Excitation was performed with a LTB, MGS 450 TD nitrogen laser (337 nm, 600 ps) operating at 10 Hz. a) J. N. Demas, G. A. Crosby, J. Phys. Chem. 1971, 75, 991; b) W. E. Ford, P. V. Kamat, J. Phys. Chem. 1987, 91, 6373.
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    • em=0.99) was used as a standard. Quantum yields and lifetimes are reported or air saturated dichloromethane solutions. The excitation wavelength was 392 nm, and the optical density of both the reference and the sample was adjusted to 0.1 (1 cm) at this wavelength. Absorption spectra were recorded on a Hewlett Packard 8453 diode array spectrophotometer, using 1 nm bandwidth. Time resolved emission was recorded with a Hamamatsu C-5680 streak camera equipped with an M 5677 sweep unit. Excitation was performed with a LTB, MGS 450 TD nitrogen laser (337 nm, 600 ps) operating at 10 Hz. a) J. N. Demas, G. A. Crosby, J. Phys. Chem. 1971, 75, 991; b) W. E. Ford, P. V. Kamat, J. Phys. Chem. 1987, 91, 6373.
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    • -1.
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    • note
    • For scanning force microscopy (SFM) investigations, the substance was dissolved in DMSO and dropped onto freshly cleaved mica surfaces and dried in vacuo. SFM inspections were performed with a commercial instrument (Digital Instruments, Nanoscope IIIa, Dimension 3000, Santa Barbara, CA) running in the tapping mode. Silicon cantilevers (Nanosensors) with a resonant frequency of 250-350 kHz were used for the experiments. AFM images obtained under identical conditions with compound 3 from a saturated dichloromethane only displayed a featureless aggregation, which indicates that this phenomenon is directly associated with the incorporation of the solvent.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.