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Hidden Functional Nanoparticles in Semiconductor Crystals

delete2026-05-14
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PRE
AI
J
Jiahao Zhang
M
Meijiang Wang
L
Linxia Li
B
Bing Yu
T
Ting Sun
J
Jiaming Lai
S
Suidi Zhong
J
Jingjing He
杨思捷 封面图
杨思捷 (Sijie Yang)
宁
宁印 (Yin Ning) *
DOI:10.1021/jacs.6c04768delete
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摘要

摘要

En 中文
在单晶半导体内部精确控制功能金属的定位仍然是一个巨大的挑战,因为晶格失配和热力学限制通常阻碍添加剂的引入。本文展示了一种通用策略,在保持其长程晶格有序性的同时,将聚合物稳定的金纳米颗粒嵌入单晶锐钛矿型二氧化钛(TiO₂)中。界面聚合物工程克服了固有的金属-氧化物不兼容性,使金纳米颗粒以空间精度导向进入晶体内部。所得的Au-TiO₂纳米复合晶体具有致密、原子紧密的界面,金纳米颗粒充当内部电子收集器,显著增强了电荷分离和传输。值得注意的是,这些内部受限的金纳米颗粒主动驱动光催化氢气生成,产率比纯TiO₂高188倍,突显了内部金纳米颗粒的关键作用。这项工作建立了一个概念性范例,用于设计具有可编程、空间分辨功能添加剂的晶体复合材料,为调控半导体的固有性质开辟了新的途径。
Keyword:
Au nanoparticles
TiO2
photocatalysis
crystal engineering
charge separation

期刊

Journal of the American Chemical Society 封面图
Journal of the American Chemical Society
IF:
15.6
论文数:
20.0W
被引数:
60.2W

机构

J
jinan university
学者数:
4.3W
论文数: 2.7W
被引数: 38
引用论文

引用论文

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