Herein, ZnCr layered double hydroxide (ZnCr LDH), and its nanocomposites with GO and rGO were synthesized using the co-precipitation method. The samples were characterized using XRD, FT-IR, SEM, TEM, BET, and XPS techniques. The sonophotocatalytic activity of the ZnCr LDH, ZnCr LDH/GO, and ZnCr LDH/rGO was investigated via the degradation of rifampicin (RIF) in the ultrasonic bath under visible light irradiation. The synergy index of more than 1 determined for ZnCr LDH/rGO indicated the positive interaction of sonocatalysis and photocatalysis resulted by hybridizing the LDH nanosheets with rGO. The maximum sonophotocatalytic degradation efficiency of 87.3?as achieved in the presence of ZnCr LDH/rGO nanocomposite with the concentration of 1.5 g L-1 for degradation of RIF with an initial concentration of 15 mg L-1 within 60 min sonication under visible light irradiation. The addition of different scavengers indicated that hydroxyl radicals, superoxide anion radicals, and the generated holes played a dominant role in the degradation of the pollutant molecules. A possible degradation mechanism was suggested based on the intermediates. The antibacterial tests confirmed the higher antibacterial activity of ZnCr LDH/GO compared with ZnCr LDH and ZnCr LDH/rGO against Grampositive Staphylococcus aureus.
Название публикации (dc.title) | Graphene-based ZnCr layered double hydroxide nanocomposites as bactericidal agents with high sonophotocatalytic performances for degradation of rifampicin |
Автор/ы (dc.contributor.yazarlar) | Tannaz Sadeghi Rad, Alireza Khataee, Samira Arefi-Oskoui, Samin Sadeghi Rad, Yasin Orooji, Erhan Gengec, Mehmet Kobya |
Вид публикации (dc.type) | Makale |
Язык (dc.language) | İngilizce |
Год публикации (dc.date.issued) | 2021 |
Национальный/Международный (dc.identifier.ulusaluluslararasi) | Uluslararası |
Источник (dc.relation.journal) | Chemosphere |
Номер (dc.identifier.issue) | 2 |
Том/№ (dc.identifier.volume) | 286 |
Страница (dc.identifier.startpage) | Article Number: 131740 |
ISSN/ISBN (dc.identifier.issn) | ISSN: 0045-6535; Online ISSN: 1879-1298 |
Издатель (dc.publisher) | Elsevier |
Базы данных (dc.contributor.veritaban) | Web of Science Core Collection |
Базы данных (dc.contributor.veritaban) | Sciencedirect |
Базы данных (dc.contributor.veritaban) | Scopus |
Вид индекса (dc.identifier.index) | SCI Expanded |
Вид индекса (dc.identifier.index) | Scopus |
Импакт-фактор (dc.identifier.etkifaktoru) | 7,086 / 2020-WOS / 5 Year: 6,956 |
Резюме (dc.description.abstract) | Herein, ZnCr layered double hydroxide (ZnCr LDH), and its nanocomposites with GO and rGO were synthesized using the co-precipitation method. The samples were characterized using XRD, FT-IR, SEM, TEM, BET, and XPS techniques. The sonophotocatalytic activity of the ZnCr LDH, ZnCr LDH/GO, and ZnCr LDH/rGO was investigated via the degradation of rifampicin (RIF) in the ultrasonic bath under visible light irradiation. The synergy index of more than 1 determined for ZnCr LDH/rGO indicated the positive interaction of sonocatalysis and photocatalysis resulted by hybridizing the LDH nanosheets with rGO. The maximum sonophotocatalytic degradation efficiency of 87.3?as achieved in the presence of ZnCr LDH/rGO nanocomposite with the concentration of 1.5 g L-1 for degradation of RIF with an initial concentration of 15 mg L-1 within 60 min sonication under visible light irradiation. The addition of different scavengers indicated that hydroxyl radicals, superoxide anion radicals, and the generated holes played a dominant role in the degradation of the pollutant molecules. A possible degradation mechanism was suggested based on the intermediates. The antibacterial tests confirmed the higher antibacterial activity of ZnCr LDH/GO compared with ZnCr LDH and ZnCr LDH/rGO against Grampositive Staphylococcus aureus. |
URL (dc.rights) | https://www.sciencedirect.com/science/article/abs/pii/S0045653521022128?via=ihub |
DOI (dc.identifier.doi) | 10.1016/j.chemosphere.2021.131740 |
Факультет / Институт (dc.identifier.fakulte) | Mühendislik Fakültesi |
Кафедра (dc.identifier.bolum) | Çevre Mühendisliği Bölümü |
Автор(ы) в учреждении (dc.contributor.author) | Mehmet KOBYA |
№ регистрации (dc.identifier.kayitno) | BL2AF792AD |
Дата регистрации (dc.date.available) | 2021-10-27 |
Заметка (Год публикации) (dc.identifier.notyayinyili) | WOS Early Access: AUG 2021; Published: JAN 2022 |
Wos No (dc.identifier.wos) | WOS:000704347500001 |
Тематический рубрикатор (dc.subject) | carbon-based nanocomposite |
Тематический рубрикатор (dc.subject) | layered double hydroxide |
Тематический рубрикатор (dc.subject) | advanced oxidation process |
Тематический рубрикатор (dc.subject) | sonophotocatalysis |
Тематический рубрикатор (dc.subject) | antibacterial assessment |