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Volumn 130, Issue 1, 2008, Pages 168-175

Quantum dot fluorescence quenching pathways with Cr(III) complexes. Photosensitized NO production from trans-Cr(cyclam)(ONO)2+

Author keywords

[No Author keywords available]

Indexed keywords

PHOTOLUMINESCENCE; QUENCHING; SEMICONDUCTOR QUANTUM DOTS;

EID: 38349026611     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja074164s     Document Type: Article
Times cited : (91)

References (91)
  • 45
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    • de Mello, Donega, C.; Hickey, S. G.; Wuister, S.; Vanmaekelbergh, D.; Meijerink, A. J. Phys. Chem. B 2003, 107, 489-496.
    • (c) de Mello, Donega, C.; Hickey, S. G.; Wuister, S.; Vanmaekelbergh, D.; Meijerink, A. J. Phys. Chem. B 2003, 107, 489-496.
  • 67
    • 38349015461 scopus 로고    scopus 로고
    • The number of Zn atoms on the surface (outermost monolayer of ZnS) was estimated based on the known bulk lattice parameters of ZnS assuming a spherical shell
    • The number of Zn atoms on the surface (outermost monolayer of ZnS) was estimated based on the known bulk lattice parameters of ZnS assuming a spherical shell.
  • 70
    • 2442651578 scopus 로고    scopus 로고
    • It should be noted that in the former case, the samples were studied under air atmosphere to approximate the conditions used during the photochemical experiments. At this point it is unclear what effect air (presumably O 2) has on the PL of these particular QDs. It has been shown in this laboratory34b and by others (see for example: (i) Nazzal, A. Y, Wang, X, Qu, L, Yu, W, Wang, Y, Peng, X, Xiao, M. J. Phys. Chem. B 2004, 108, 5507-5515
    • 34b and by others (see for example: (i) Nazzal, A. Y.; Wang, X.; Qu, L.; Yu, W.; Wang, Y.; Peng, X.; Xiao, M. J. Phys. Chem. B 2004, 108, 5507-5515.
  • 72
    • 0141856583 scopus 로고    scopus 로고
    • 2. Although similar changes are not expected under the low light intensities used for the present experiment, the influence of dioxygen on the PL behavior of the current system has not been systematically evaluated.
    • 2. Although similar changes are not expected under the low light intensities used for the present experiment, the influence of dioxygen on the PL behavior of the current system has not been systematically evaluated.
  • 73
    • 38349007436 scopus 로고    scopus 로고
    • Neuman, D. Ph.D. Dissertation, University of California, Santa Barbara 2007.
    • (b) Neuman, D. Ph.D. Dissertation, University of California, Santa Barbara 2007.
  • 91
    • 38349040533 scopus 로고    scopus 로고
    • As a reviewer has pointed out, flocculation of the QDs might be expected as the result of charge neutralization of the surface owing to the ion pairing with the cationic Cr(III) complexes. Such flocculation was indeed observed to occur very slowly upon standing for solutions at the highest quencher concentrations used. For this reason, photophysics measurements were only made with freshly prepared buffer solutions that did not indicate formation of insoluble particles
    • As a reviewer has pointed out, flocculation of the QDs might be expected as the result of charge neutralization of the surface owing to the ion pairing with the cationic Cr(III) complexes. Such flocculation was indeed observed to occur very slowly upon standing for solutions at the highest quencher concentrations used. For this reason, photophysics measurements were only made with freshly prepared buffer solutions that did not indicate formation of insoluble particles.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.