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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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As one of the basic bismuth nitrates, Bi2O2(OH)(NO3) (denoted as BION) has been reported to exhibit powerful photodegradation activity for various contaminants. However, pure BION could only be irradiated by UV light due to broad bandgap ( ~3.14 eV). Herein, Bi2S3/Bi2O2(OH)(NO3) (denoted as BS-BION) heterojunction was prepared by an in situ ion exchange reaction between BION and aqueous thiourea solution (pH ~ 3). The resulting heterojunction possessed good visible light absorption and closely contacted interfaces, which benefited effective separation and transfer of photogenerated charges, thus leading to excellent photocatalytic activity for the degradation of rhodamine B (RhB) under visible light irradiation. Furthermore, the as-prepared heterojunction photocatalyst also presented high photochemical stability, which may be of great significance for practical application.
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