Mechanical Properties of a Series of Macro- and Nanodimensional Organic Cocrystals Correlate with Atomic Polarizability

被引：46

作者：

Rupasinghe, Thilini P. ^{[1
]}

Hutchins, Kristin M. ^{[1
]}

Bandaranayake, Bimali S. ^{[1
]}

Ghorai, Suman ^{[1
]}

Karunatilake, Chandana ^{[1
]}

Bucar, Dejan-Kresimir ^{[1
]}

Swenson, Dale C. ^{[1
]}

Arnold, Mark A. ^{[1
]}

MacGillivray, Leonard R. ^{[1
]}

Tivanski, Alexei V. ^{[1
]}

机构：

[1] Univ Iowa, Dept Chem, Iowa City, IA 52242 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2015年 / 137卷 / 40期

基金：

美国国家科学基金会; 美国海洋和大气管理局;

关键词：

TIME-DOMAIN SPECTROSCOPY; HALOGEN BONDS; SOLID-STATE; CRYSTALS; NANOINDENTATION; STABILITY; BEHAVIOR;

D O I：

10.1021/jacs.5b07873

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A correlation between Young's modulus, as determined by using nanoindentation atomic force microscopy (AFM), and atomic polarizability is observed for members of a series of cocrystals based on systematic changes to one cocrystal component. Time domain spectroscopy over terahertz frequencies (THz-TDS) is used for the first time to directly measure the polarizability of macro- and nanosized organic solids. Cocrystals of both macro- and nanodimensions with highly polarizable atoms result in softer solids and correspondingly higher polarizabilities.

引用

页码：12768 / 12771

页数：4

共 39 条

[1] Improved Stability and Smart-Material Functionality Realized in an Energetic Cocrystal [J].