کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1237707 | 968906 | 2008 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Fluorescence quenching of CdSe quantum dots by nitroaromatic explosives and their relative compounds
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Fluorescence quenching of CdSe quantum dots by nitroaromatic explosives and their relative compounds Fluorescence quenching of CdSe quantum dots by nitroaromatic explosives and their relative compounds](/preview/png/1237707.png)
چکیده انگلیسی
CdSe quantum dots (QDs) were synthesized in oleic acid and octadecene medium under high-temperature and dispersed in chloroform. Nitroaromatic explosives and their relative compounds, 2,4,6-trinitrotoluene (TNT), 2,4-dinitrotoluene (DNT), nitrobenzene (NB), 2,4-dinitrochlorobenzene (DNBCl) and p-nitrotoluene (NT) can obviously cause the fluorescence quenching of the synthesized QDs. Under the optimum conditions, a nonlinear response was observed over the concentration range of 10−8 to 10−5 M for them all. The modified Stern–Volmer quenching equations of ln I0/I versus C show a good linear relation in 10−5 M order of magnitude, and the detection limits approach 10−6 to 10−7 M.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy - Volume 70, Issue 2, July 2008, Pages 247–252
Journal: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy - Volume 70, Issue 2, July 2008, Pages 247–252
نویسندگان
Guo Hua Shi, Zhuo Bin Shang, Yu Wang, Wei Jun Jin, Tian Cai Zhang,