Facile Synthesis of g-C<sub>۳</sub>N<sub>۴-x</sub> for the effective Destruction/Removal of Organic Pollutants from Water and Wastewater
محل انتشار: مجله آب و فاضلاب، دوره: 35، شماره: 6
سال انتشار: 1403
نوع سند: مقاله ژورنالی
زبان: فارسی
مشاهده: 145
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شناسه ملی سند علمی:
JR_WWJ-35-6_002
تاریخ نمایه سازی: 25 مهر 1404
چکیده مقاله:
In response to the urgent global issue of environmental pollution, particularly water contamination by high-chroma organic pollutants, there has been a growing focus within the scientific community on developing advanced materials for efficient pollutant removal. One such promising material is graphene-like carbon nitride (g-C₃N₄), which possesses excellent chemical stability, high surface area, and photocatalytic properties. This essay delves into the facile synthesis of g-C۳N۴-x for effectively removing high-chroma organic pollutants from water, exploring its potential applications, advantages, and prospects. Additionally, a g-C۳N۴-x photocatalyst has been synthesized in this study by introducing nitrogen vacancies through a one-step reduction process. The optimized g-C۳N۴-x catalyst exhibited a superior MB and TC yield of ۷۳% and ۸۳.۶%, respectively, under visible light, representing a ۴.۵-fold increase compared to the bulk g-C۳N۴ catalyst. This advancement is attributed to the synergistic effects of nitrogen vacancies defects, which enhance light absorption, facilitate electron-hole pair separation, and increase the number of active sites on the catalyst surface. In our research, we successfully created a g-C۳N۴-x photocatalyst by incorporating nitrogen vacancies using a one-step reduction technique. The optimized g-C۳N۴-x catalyst displayed an impressive ۷۳% MB and ۸۳.۶% yield for TC under visible light, ۴.۵ times higher than the standard g-C₃N₄ catalyst. This improvement is attributed to the synergistic effects of nitrogen vacancies defects, which enhance light absorption, aid in separating electron-hole pairs, and increase the number of active sites on the catalyst's surface.
کلیدواژه ها:
نویسندگان
حسنا رضایی
PhD. Researcher at Dept. of Physical Chemistry, Chemical Process Development Institute, Chemistry and Chemical Engineering Research Center of Iran (CCERCI), Tehran, Iran, P. O. Box. ۱۴۳۳۵-۱۸۶
هانی صیاحی
Assoc. Prof. of Physical Chemistry, Dept. of Physical Chemistry, Chemical Process Development Institute, Chemistry and Chemical Engineering Research Center of Iran (CCERCI), Tehran, Iran, P. O. Box. ۱۴۳۳۵-۱۸۶
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