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Title: Sterically controlled mechanochemistry under hydrostatic pressure

Journal Article · · Nature (London)
 [1];  [1];  [2];  [3];  [4];  [5];  [1];  [3];  [3];  [6];  [7];  [6];  [8];  [1];  [1];  [1]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
  2. Hong Kong Univ. of Science and Technology, Hong Kong (China); HKUST Fok Ying Tung Research Institute, Guangzhou (China)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  5. Univ. Nacional Autonoma de Mexico, Coyoacan (Mexico)
  6. Justus-Liebig Univ., Giessen (Germany)
  7. Justus-Liebig Univ., Giessen (Germany); Igo Sikorsky Kiev Polytechnic Institute, Kiev (Ukraine)
  8. Univ. of Chicago, Chicago, IL (United States)
+ Show Author Affiliations

Mechanical stimuli can modify the energy landscape of chemical reactions and enable reaction pathways, offering a synthetic strategy that complements conventional chemistry. These mechanochemical mechanisms have been studied extensively in one-dimensional polymers under tensile stress using ring-opening and reorganization, polymer unzipping and disulfide reduction as model reactions. In these systems, the pulling force stretches chemical bonds, initiating the reaction. Additionally, it has been shown that forces orthogonal to the chemical bonds can alter the rate of bond dissociation. Furthermore, these bond activation mechanisms have not been possible under isotropic, compressive stress (that is, hydrostatic pressure). Here we show that mechanochemistry through isotropic compression is possible by molecularly engineering structures that can translate macroscopic isotropic stress into molecular-level anisotropic strain.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1437554
Report Number(s):
SLAC-PUB-17189; nature25765; TRN: US1900334
Journal Information:
Nature (London), Vol. 554, Issue 7693; ISSN 0028-0836
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 58 works
Citation information provided by
Web of Science

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Cited By (7)

A Hierarchical Nanoparticle‐in‐Micropore Architecture for Enhanced Mechanosensitivity and Stretchability in Mechanochromic Electronic Skins journal April 2019
Switching Chemoselectivity: Using Mechanochemistry to Alter Reaction Kinetics journal November 2018
Effects of high hydrostatic pressure on structures, properties of starch, and quality of cationic starch journal February 2019
Structure Restoration of Thermally Denatured Collagen by Ultrahigh Pressure Treatment journal December 2019
Studying weak interactions in crystals at high pressures: when hardware matters journal April 2018
Redox reactions of small organic molecules using ball milling and piezoelectric materials journal December 2019
Switching Chemoselectivity: Using Mechanochemistry to Alter Reaction Kinetics journal October 2018

Linked Research (3)

Figures / Tables (14)

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Figure 4(p. 18)figure Figure 4
Extended Data Figure 1(p. 19)figure Extended Data Figure 1
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Extended Data Figure 3(p. 21)figure Extended Data Figure 3
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Extended Data Figure 5(p. 23)figure Extended Data Figure 5
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Extended Data Figure 7(p. 25)figure Extended Data Figure 7
Extended Data Figure 8(p. 26)figure Extended Data Figure 8
Extended Data Figure 9(p. 27)figure Extended Data Figure 9
Extended Data Figure 10(p. 28)figure Extended Data Figure 10

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