Porous single-crystal diamond

被引：18

作者：

Wang, Junpu ^{[1
]}

Su, Yuzhu ^{[1
]}

Tian, Yi ^{[1
]}

Xiang, Xiaojun ^{[1
]}

Zhang, Jiawei ^{[1
]}

Li, Shuaiqi ^{[1
]}

He, Duanwei ^{[1
,2
]}

机构：

[1] Sichuan Univ, Inst Atom & Mol Phys, Chengdu 610065, Peoples R China

[2] Sichuan Univ, Minist Educ, Key Lab High Energy Dens Phys & Technol, Chengdu 610065, Peoples R China

来源：

CARBON | 2021年 / 183卷

基金：

国家重点研发计划;

关键词：

Porous diamond; Porous materials; High-pressure high-temperature; Crystal growth; Single particle; GRAIN-GROWTH; SURFACE; CRYSTALLIZATION; MEMBRANES; KINETICS;

D O I：

10.1016/j.carbon.2021.06.083

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Porous diamonds have unique application prospects due to their flexible surface functionalities, high surface-area-to-volume ratio and high self-sharpening ability. Porous diamonds are usually prepared through microwave plasma chemical vapor deposition (MPCVD) techniques or through etching by transition metals, which are expensive and inefficient. Here, we report a simple and efficient method to grow large millimetre-scale porous single-crystal diamonds using high-pressure and high-temperature (HP-HT) techniques. The porous diamond crystal growth is driven by minimizing the surface energy through the attachment of small crystals to a large seed crystal surface in a metal solvent. Industrial-scale production of single-crystal porous diamonds is possible with this discovery. (C) 2021 Elsevier Ltd. All rights reserved.

引用

页码：259 / 266

页数：8

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