Preparation of Ultrathin Two-Dimensional Tix Ta1-x Sy Oz Nanosheets as Highly Efficient Photothermal Agents

Angewandte Chemie
Chaoliang TanHua Zhang

Abstract

Although two-dimensional (2D) metal oxide/sulfide hybrid nanostructures have been synthesized, the facile preparation of ultrathin 2D nanosheets in high yield still remains a challenge. Herein, we report the first high-yield preparation of solution-processed ultrathin 2D metal oxide/sulfide hybrid nanosheets, that is, Tix Ta1-x Sy Oz (x=0.71, 0.49, and 0.30), from Tix Ta1-x S2 precursors. The nanosheet exhibits strong absorbance in the near-infrared region, giving a large extinction coefficient of 54.1 L g-1  cm-1 at 808 nm, and a high photothermal conversion efficiency of 39.2 %. After modification with lipoic acid-conjugated polyethylene glycol, the nanosheet is a suitable photothermal agent for treatment of cancer cells under 808 nm laser irradiation. This work provides a facile and general method for the preparation of 2D metal oxide/sulfide hybrid nanosheets.

References

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Citations

Jan 16, 2018·Advanced Healthcare Materials·Zhao-Hua MiaoCheng-Yan Xu
Apr 20, 2018·Chemical Society Reviews·Xiao ZhangHua Zhang
Jan 24, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Baiyu RenJian Zhen Ou
Jun 13, 2020·Chemical Communications : Chem Comm·Youzeng LiQun Xu
Nov 1, 2018·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Zhiyi WangYanglong Hou
Dec 14, 2019·Advanced Science·Guijian Guan, Ming-Yong Han
Apr 1, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Baofeng YunZhen Li
May 25, 2021·Advanced Materials·Alexey V GulyukAlbena Ivanisevic
Apr 13, 2018·ACS Applied Materials & Interfaces·Hongzhong Chen, Yanli Zhao
Jul 1, 2020·Accounts of Chemical Research·Dongdong WangYanli Zhao
Nov 9, 2019·Journal of the American Chemical Society·Junli LiuXun Wang
Apr 1, 2020·ACS Applied Materials & Interfaces·Deblin JanaYanli Zhao
May 9, 2019·ACS Applied Materials & Interfaces·Yadan ZhouJiang Zhu

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