Enhanced Spin-Engineering Photothermoelectric–Enzymatic Catalysis System via Lattice Mismatch-Induced Jahn–Teller Distortion for Tumor Therapy
Enhanced Spin-Engineering Photothermoelectric–Enzymatic Catalysis System via Lattice Mismatch-Induced Jahn–Teller Distortion for Tumor Therapy
研究概述
构建Fe3O4–Ag2S异质结，通过界面应变诱导Jahn–Teller畸变与自旋重构，协同增强多种类酶反应及光热–热电载流子输运。近红外照射下实验模型肿瘤抑制率95%，并支持双模态成像；结果属于论文实验研究。
谱图与表征信息
Fig. 2 Compositional and structural characterization. a TEM image of Fe3O4–Ag2S. b HAADF, elemental distribution mapping, and c line scan element distribution. d HRTEM images and inverse Fourier transform analysis. e XRD patterns of Fe3O4, Fe3O4–Ag, and Fe3O4–Ag2S. f XPS spectra of Fe3O4–Ag2S. High-resolution XPS spectra of g Ag 3d, h Fe 2p, i S 2p, and j O 2p. k XANES spectra of the Fe foil, Fe3O4, and Fe3O4– Ag2S NPs. l FT-EXAFS spectra of the Fe foil, Fe3O4, and Fe3O4–Ag2S NPs. WT-EXAFS plots for m Fe3O4–Ag2S and n Fe3O4 NPs. o Raman and p transient absorption spectra of Ag2S and Fe3O4–Ag2S. q Absorbance variation of Ag2S and Fe3O4–Ag2S at 700 nm