Algae Extraction Controllable Delamination of Vanadium Carbide Nanosheets with Enhanced Near‐Infrared Photothermal Performance | Zendy

Zada Shah | Zendy; Dai Wenhao | Zendy; Kai Zhang | Zendy; Lu Huiting | Zendy; Meng Xiangdan | Zendy; Zhang Yiyi | Zendy; Cheng Yaru | Zendy; Yan Fang | Zendy; Fu Pengcheng | Zendy; Zhang Xueji | Zendy; Dong Haifeng | Zendy

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Algae Extraction Controllable Delamination of Vanadium Carbide Nanosheets with Enhanced Near‐Infrared Photothermal Performance

Author(s) -

Zada Shah,

Dai Wenhao,

Kai Zhang,

Lu Huiting,

Meng Xiangdan,

Zhang Yiyi,

Cheng Yaru,

Yan Fang,

Fu Pengcheng,

Zhang Xueji,

Dong Haifeng

Publication year - 2020

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201916748

Subject(s) - photothermal therapy , materials science , delamination (geology) , absorption (acoustics) , mxenes , vanadium , extraction (chemistry) , photoacoustic imaging in biomedicine , nanotechnology , composite material , chemistry , optics , chromatography , metallurgy , paleontology , biology , subduction , tectonics , physics

The two‐dimensional (2D) vanadium carbide (V 2 C) MXene has shown great potential as a photothermal agent (PTA) for photothermal therapy (PTT). However, the use of V 2 C in PTT is limited by the harsh synthesis condition and low photothermal conversion efficiency (PTCE). Herein, we report a completely different green delamination method using algae extraction to intercalate and delaminate V 2 AlC to produce mass V 2 C nanosheets (NSs) with a high yield (90 %). The resulting V 2 C NSs demonstrated good structural integrity and remarkably high absorption in near infrared (NIR) region with a PTCE as high as 48 %. Systemic in vitro and in vivo studies demonstrate that the V 2 C NSs can serve as efficient PTA for photoacoustic (PA) and magnetic resonance imaging (MRI)‐guided PTT of cancer. This work provides a cost‐effective, environment‐friendly, and high‐yielding disassembly approach of MAX, opening a new avenue to develop MXenes with desirable properties for a myriad of applications.

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