Hydrothermal Synthesis and Formation Mechanism of Self-Assembled Strings of CoOOH Nanodiscs

被引：10

作者：

Zhao, Xiaoyi ^{[1
,2
]}

Yang, Ke ^{[3
]}

Gong, Yu ^{[1
]}

Wang, Jiayi ^{[1
]}

Chen, Zhongjun ^{[1
]}

Xing, Xueqing ^{[1
]}

Wu, Zhonghua ^{[1
,4
]}

机构：

[1] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China

[2] China Spallat Neutron Source Sci Ctr, Dongguan 523803, Guangdong, Peoples R China

[3] Univ Shanghai Sci & Technol, Coll Sci, Shanghai 200093, Peoples R China

[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

INORGANIC CHEMISTRY | 2022年 / 61卷 / 40期

基金：

国家重点研发计划;

关键词：

COBALT OXYHYDROXIDE; NANOSHEETS; LUMINESCENCE; FABRICATION; NANORODS; GROWTH; ARRAYS;

D O I：

10.1021/acs.inorgchem.2c02565

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The formation and self-assembly mechanisms of nanoma-terials are of great significance for the preparation and application of materials. In this study, the orientationally aggregated CoOOH nanosheets and the self-assembled strings of CoOOH nanodiscs were prepared by hydrothermal method. The formation and self-assembly mechanisms of CoOOH nanodiscs were investigated by XRD, XPS, DLS, TEM, and SEM techniques, as well as DFT calculations. The results show that the formation process of the stacked CoOOH nanodiscs was driven by surface energy and can be divided into four steps: nucleation and growth of CoOOH primary nanosheets; oriented attachment of CoOOH nanosheets; self-assembly of CoOOH nanodiscs; and aggregation of strings of CoOOH nanodiscs. This study contributes meaningfully to the controllable preparation of CoOOH nanomaterials.

引用

页码：16093 / 16102

页数：10

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