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Volumn 43, Issue 40, 2004, Pages 5328-5331

Luminescent probes of crystal growth: Surface charge and polar axis sense in dye-doped potassium hydrogen phthalate

Author keywords

Crystal growth; Electrostatic interactions; EPR spectroscopy; Luminescence; Luminescent probes

Indexed keywords

CRYSTALLOGRAPHY; DEPOSITION; DYES; LUMINESCENCE; SOLUTIONS;

EID: 7244231233     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200453839     Document Type: Article
Times cited : (35)

References (32)
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    • note
    • -1). Compound 3 (Aldrich) was initially dissolved in a minimal amount of MeOH, then added to the growth solution. Crystals were indexed with a Stoe 2-circle Model J optical goniometer and a Nonius KappaCCD diffractometer.
  • 7
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    • note
    • -5 m.
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    • P. Hartman, W. G. Perdok, Acta Crystallogr. 1955, 8, 525; C. F. Woensdregt, Phys. Chem. Miner. 1992, 19, 59.
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    • Woensdregt, C.F.1
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    • 2 Version 4.0, Molecular Simulations Inc., San Diego, 1999.
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    • Molecular surfaces were calculated by using an iterative triangle subdivision to refine an approximate starting mesh, an adaptation of the Gaussian molecular surface (J. A. Grant, B. T. Pickup, J. Phys. Chem. 1995, 99, 3503). GULP evaluated the electrostatic potentials at each point, a task requiring 2D Ewald sums.
    • (1995) J. Phys. Chem. , vol.99 , pp. 3503
    • Grant, J.A.1    Pickup, B.T.2
  • 19
    • 7244238122 scopus 로고    scopus 로고
    • note
    • Molar absorptivities were determined with a Hitachi U-2000 spectrophotometer controlled by the Spectracalc program (Galactic Industries). Crystal absorption spectra were obtained with SpectraCode Multipoint Absorbance Imaging (MAI-20) Microscope. KAP has perfect (010) cleavage, hence plane parallel sections are easily prepared by isolating individual sectors. The extinction directions of the crystals were used to orient the sample relative to the input polarization.
  • 20
    • 0008710785 scopus 로고
    • G. R. Haugen, W. H. Melhuishi, J. Chem. Soc. Faraday Trans. 1964, 60, 386; M. Pileni, M. Graetzel, J. Phys. Chem. 1980, 84, 2402; K. Yamaoka, M. Shimadzu, Bull. Chem. Soc. Jpn. 1983, 56, 55; R. A. Schoonheydt, J. Cenens, F. C. De Schrijver, J. Chem. Soc. Faraday Trans. 1 1986, 82, 281; R. Ramaraj, D. Rachel Jeyanthy, C. Srinivasan, Indian J. Chem. Sect. A 1991, 30, 1044.
    • (1964) J. Chem. Soc. Faraday Trans. , vol.60 , pp. 386
    • Haugen, G.R.1    Melhuishi, W.H.2
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    • G. R. Haugen, W. H. Melhuishi, J. Chem. Soc. Faraday Trans. 1964, 60, 386; M. Pileni, M. Graetzel, J. Phys. Chem. 1980, 84, 2402; K. Yamaoka, M. Shimadzu, Bull. Chem. Soc. Jpn. 1983, 56, 55; R. A. Schoonheydt, J. Cenens, F. C. De Schrijver, J. Chem. Soc. Faraday Trans. 1 1986, 82, 281; R. Ramaraj, D. Rachel Jeyanthy, C. Srinivasan, Indian J. Chem. Sect. A 1991, 30, 1044.
    • (1980) J. Phys. Chem. , vol.84 , pp. 2402
    • Pileni, M.1    Graetzel, M.2
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    • G. R. Haugen, W. H. Melhuishi, J. Chem. Soc. Faraday Trans. 1964, 60, 386; M. Pileni, M. Graetzel, J. Phys. Chem. 1980, 84, 2402; K. Yamaoka, M. Shimadzu, Bull. Chem. Soc. Jpn. 1983, 56, 55; R. A. Schoonheydt, J. Cenens, F. C. De Schrijver, J. Chem. Soc. Faraday Trans. 1 1986, 82, 281; R. Ramaraj, D. Rachel Jeyanthy, C. Srinivasan, Indian J. Chem. Sect. A 1991, 30, 1044.
    • (1983) Bull. Chem. Soc. Jpn. , vol.56 , pp. 55
    • Yamaoka, K.1    Shimadzu, M.2
  • 23
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    • G. R. Haugen, W. H. Melhuishi, J. Chem. Soc. Faraday Trans. 1964, 60, 386; M. Pileni, M. Graetzel, J. Phys. Chem. 1980, 84, 2402; K. Yamaoka, M. Shimadzu, Bull. Chem. Soc. Jpn. 1983, 56, 55; R. A. Schoonheydt, J. Cenens, F. C. De Schrijver, J. Chem. Soc. Faraday Trans. 1 1986, 82, 281; R. Ramaraj, D. Rachel Jeyanthy, C. Srinivasan, Indian J. Chem. Sect. A 1991, 30, 1044.
    • (1986) J. Chem. Soc. Faraday Trans. 1 , vol.82 , pp. 281
    • Schoonheydt, R.A.1    Cenens, J.2    De Schrijver, F.C.3
  • 24
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    • G. R. Haugen, W. H. Melhuishi, J. Chem. Soc. Faraday Trans. 1964, 60, 386; M. Pileni, M. Graetzel, J. Phys. Chem. 1980, 84, 2402; K. Yamaoka, M. Shimadzu, Bull. Chem. Soc. Jpn. 1983, 56, 55; R. A. Schoonheydt, J. Cenens, F. C. De Schrijver, J. Chem. Soc. Faraday Trans. 1 1986, 82, 281; R. Ramaraj, D. Rachel Jeyanthy, C. Srinivasan, Indian J. Chem. Sect. A 1991, 30, 1044.
    • (1991) Indian J. Chem. Sect. A , vol.30 , pp. 1044
    • Ramaraj, R.1    Rachel Jeyanthy, D.2    Srinivasan, C.3
  • 26
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    • note
    • Solid-state fluorescence measurements were made by using the Fluoromax-2 fiber-optically coupled to an IMT-2 inverted Olympus microscope.
  • 27
    • 7244248686 scopus 로고    scopus 로고
    • note
    • Pieces of individual growth sectors were removed with a wet wire saw and mounted on quartz rods along the three crystallographic axes. TREPR experiments were realized by generating triplet excited states with a Nd-YAG laser equipped with harmonic generators and an optical parametric oscillator. Light pulses (5 ns wide, 1 mJ/shot, 10 Hz) were conveyed to the high quality factor (Q) dielectric cavity through a window in the cryostat (Oxford CF935) of a Bruker 380E EPR spectrometer. The pure absorptive EPR signal generated under continuous microwave irradiation was taken from the detector, preamplified and digitalized from a LeCroy 3560 digital oscilloscope. The response time of the apparatus was estimated to be around 800 ns. A surface was obtained by acquiring 50 sweeps of the time decay traces at each field position. Integration with time windows of around 400 ns maximized the transient signal (1 μs after the laser flash). The spectra in frozen solutions were acquired at 80 K. All EPR samples were irradiated at a wavelength of 465 nm at 230 K. Spin polarized spectra were recorded every 7.5° by rotating the crystals around the principal axes.
  • 30
    • 7244236533 scopus 로고    scopus 로고
    • note
    • +.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.