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Synthesis of carbon doped Bi_2MoO_6 for enhanced photocatalytic performance and tumor photodynamic therapy efficiency

机译：碳掺杂Bi_2MoO_6的合成以增强光催化性能和肿瘤光动力治疗效率

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摘要

In this work, a series of carbon-doped Bi2MoO6 nanomaterials were synthesized by hydrothermal-calcination method using biomass carbon-glucose as carbon source for the first time. The carbon element substituted the host O2- anions in the lattice of Bi2MoO6, which induced the lattice expansion, particle size reduction, specific surface area enhancement and band structure variation. The C-doped Bi2MoO6 showed significantly enhanced and stable photocatalytic performance in removal of Rhodamine B (RhB), methyl orange (MO) and tetracycline hydrochloride (TC). Simultaneously, the carbon doped sample could also act as photosensitizer in tumor PDT and showed efficient PDT ability for HeLa cancer cells. The electron spin resonance (ESR) result confirmed that the carbon doped sample had higher reactive oxygen species (ROS) concentration than that of pristine Bi2MoO6, which are possibly responsible for the enhanced photocatalytic performance and PDT efficiency. This work would open a new window to develop bifunctional semiconductor, a photocatalyst for environmental pollution treatment and a photosensitizer for effective tumor photodynamic therapy.
机译：本工作首次以生物质碳葡萄糖为碳源，通过水热煅烧法合成了一系列掺碳的Bi2MoO6纳米材料。碳元素取代了Bi2MoO6晶格中的主体O2-阴离子，引起了晶格膨胀，粒径减小，比表面积增强和能带结构变化。 C掺杂的Bi2MoO6在去除若丹明B（RhB），甲基橙（MO）和四环素盐酸盐（TC）方面显示出显着增强的稳定的光催化性能。同时，碳掺杂样品还可以在肿瘤PDT中充当光敏剂，并显示出对HeLa癌细胞有效的PDT能力。电子自旋共振（ESR）结果证实，掺碳样品具有比原始Bi2MoO6更高的活性氧（ROS）浓度，这可能是增强光催化性能和PDT效率的原因。这项工作将为开发双功能半导体，用于环境污染治疗的光催化剂和用于有效肿瘤光动力疗法的光敏剂打开一个新的窗口。

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  • 来源
    《Applied Surface Science》 |2019年第28期|369-382|共14页
  • 作者

    Xing Yongxing; Gao Xuechuan; Ji Guanfeng; Liu Zhiliang; Du Chunfang;

  • 作者单位

    Inner Mongolia Univ, Coll Chem & Chem Engn, Hohhot 010021, Inner Mongolia, Peoples R China;

    Inner Mongolia Univ, Coll Chem & Chem Engn, Hohhot 010021, Inner Mongolia, Peoples R China;

    Inner Mongolia Univ, Coll Chem & Chem Engn, Hohhot 010021, Inner Mongolia, Peoples R China;

    Inner Mongolia Univ, Coll Chem & Chem Engn, Hohhot 010021, Inner Mongolia, Peoples R China;

    Inner Mongolia Univ, Coll Chem & Chem Engn, Hohhot 010021, Inner Mongolia, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Carbon doping; Reactive oxygen species; Photodegradation; Photodynamic therapy;

    机译：碳掺杂;活性氧;光降解;光动力疗法;

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