کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10243121 | 46914 | 2005 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Catalytic reduction of methyl viologen by sulfide ion within MCM-41
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
کاتالیزور
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Methyl viologen in the presence of mesoporous MCM-41 and sulfide ions is found to undergo a spontaneous catalytic reduction to methyl viologen radical (MV+). Various control conditions, including passivation of the external surface and modification of the internal surface of MCM-41, suggest that the catalytic reduction occurs principally within the pores of MCM-41. The source of the sulfide ions can be either an added sulfide salt or coordinatively unsaturated surface sulfide ions of an occluded sulfide nanoparticle. The present system offers a means for the spontaneous formation of methyl viologen radicals, which might serve as a complementary measurement for electron microscopy probing of the location of sulfide nanoparticles synthesized within the pores of mesoporous materials.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Catalysis Communications - Volume 6, Issue 2, February 2005, Pages 141-145
Journal: Catalysis Communications - Volume 6, Issue 2, February 2005, Pages 141-145
نویسندگان
Yan-Ting Liao, Ling Zang, Daniel L. Akins,