氧化钼的多尺度结构设计与近红外光热性能研究

doi:10.11896/cldb.25070113

材料导报

2026, Vol. 40

Issue (12): 25070113-7 https://doi.org/10.11896/cldb.25070113

光热调控超材料的应用与创新

氧化钼的多尺度结构设计与近红外光热性能研究

刘霜^2,†, 刘泓佑^2,†, 解东生², 李根元², 蒋文达², 刘白羽², 李雪姣^1,2,*

1 哈尔滨工程大学材料科学与化学工程学院,哈尔滨 150001
2 哈尔滨理工大学材料科学与化学工程学院,哈尔滨 150040

Study on Multi-scale Structural Design and Near-infrared Responsive Photothermal Properties of Molybdenum Oxide

LIU Shuang^2,†, LIU Hongyou^2,†, XIE Dongsheng², LI Genyuan², JIANG Wenda², LIU Baiyu², LI Xuejiao^1,2,*

1 School of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
2 School of Materials Science and Chemical Engineering, Harbin University of Science and Technology, Harbin 150040, China

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摘要光热疗法作为新型肿瘤治疗策略,凭借近红外光响应材料的热能转换特性实现癌细胞定向消融,具有微创性、精准靶向性及低全身毒性等特点。相较于传统近红外一区(NIR-I,780~1 000 nm),近红外二区光(NIR-II,1 000~1 700 nm)因更深的组织穿透能力和更低的光能损耗展现出独特优势。其中,氧化钼纳米材料因其可调控的光学性能和表面特性而被广泛研究。本研究分别以四水钼酸铵和钼粉为原料,通过水热/溶剂热法精准调控反应参数,成功制备出纳米颗粒、纳米带及纳米片三种形貌的氧化钼纳米材料。详细分析不同形貌纳米氧化钼的物相结构、显微形貌、吸收光谱及禁带宽度等,进一步对比探究了在近红外一区和二区的生物安全功率范围内样品的多尺度结构与光热升温性能、光热转换效率和光热稳定性之间的关系。结果表明,纳米MoO_3-x均具有良好的NIR-II光热转换性能,而纳米级形貌差异(颗粒/带/片)又显著影响其光热转换效率。其中二维纳米片因独特的层状结构和表面等离子体效应,实现了对NIR-II光的高效吸收与热能转化,在近红外二区响应下的光热治疗癌症领域具有重要的潜在应用价值。

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	刘霜
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	解东生
	李根元
	蒋文达
	刘白羽
	李雪姣

关键词: 氧化钼形貌调控近红外光光热性能

Abstract: As a novel tumor therapy strategy, photothermal therapy (PTT) enables targeted ablation of cancer cells by leveraging the thermal energy conversion capability of near-infrared (NIR) responsive materials, which is characterized by minimal invasiveness, high targeting precision, and low systemic toxicity. Compared with the conventional near-infrared region I (NIR-I, 780—1 000 nm), near-infrared region II (NIR-II, 1 000—1 700 nm) light demonstrates distinct advantages, including deeper tissue penetration depth and lower light energy loss. Among various NIR-responsive materials, molybdenum oxide nanomaterials have garnered extensive research attention due to their tunable optical properties and surface characteristics. In this study, ammonium molybdate tetrahydrate and molybdenum powder were employed as raw materials, and molybdenum oxide nanomaterials with three distinct morphology (nanoparticles, nanobelts, and nanosheets) were successfully fabricated via hydrothermal/solvothermal methods through the precise regulation of reaction parameters. The phase structure, micromorphology, absorption spectra, and band gap of the molybdenum oxide nanomaterials with different morphology were systematically analyzed. Furthermore, under bio-safe po-wer levels of NIR-I and NIR-II light irradiation, the relationships between the multiscale structure of the samples and their photothermal heating performance, photothermal conversion efficiency, and photothermal stability were comparatively investigated. The results indicated that nano-MoO_3-x samples exhibit excellent NIR-II photothermal conversion performance, while the differences in nanoscale morphology (nanoparticles/nanobelts/nanosheets) significantly impact their photothermal conversion efficiency. In particular, the two-dimensional (2D) nanosheets, benefiting from their unique layered structure and surface plasmon effect, achieve efficient absorption of NIR-II light and effective thermal energy conversion. Consequently, 2D molybdenum oxide nanosheets hold great potential for application in the field of NIR-II-responsive photothermal therapy for cancer.

Key words: molybdenum oxide morphology control near-infrared light photothermal performance

出版日期: 2026-06-25 发布日期: 2026-07-08

ZTFLH:

TB34

基金资助: 国家自然科学基金(52502176);中国博士后科学基金(2025M774336);山东省自然科学基金项目生物医药联合基金(ZR2021LSW014);哈尔滨理工大学创新创业训练计划-省级项目(S202410214127)

通讯作者: ^*李雪姣,博士,哈尔滨理工大学材料科学与化学工程学院副教授、硕士研究生导师。目前主要从事无机纳米功能材料的可控合成及在生物、催化等领域的应用研究。lixuejiao@hrbust.edu.cn

作者简介: 刘霜,哈尔滨理工大学材料科学与化学工程学院硕士研究生,在李雪姣副教授的指导下研究氧化钼纳米材料的可控合成及在肿瘤治疗中的应用。
刘泓佑,哈尔滨理工大学材料科学与化学工程学院大二本科生,黑龙江省大学生创新创业训练项目负责人,在李雪姣副教授的指导下对“肿瘤微环境响应下非化学计量比氧化钼纳米酶的活性增强研究”课题开展研究。
^†共同第一作者

引用本文:

刘霜, 刘泓佑, 解东生, 李根元, 蒋文达, 刘白羽, 李雪姣. 氧化钼的多尺度结构设计与近红外光热性能研究[J]. 材料导报, 2026, 40(12): 25070113-7.
LIU Shuang, LIU Hongyou, XIE Dongsheng, LI Genyuan, JIANG Wenda, LIU Baiyu, LI Xuejiao. Study on Multi-scale Structural Design and Near-infrared Responsive Photothermal Properties of Molybdenum Oxide. Materials Reports, 2026, 40(12): 25070113-7.

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https://www.mater-rep.com/CN/10.11896/cldb.25070113 或 https://www.mater-rep.com/CN/Y2026/V40/I12/25070113

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