Quantum dynamics of nuclear spins and spin relaxation in organic semiconductors
Abstract
3D printing of materials with active functional groups can provide custom-designed structures that promote chemical conversions. Herein, catalytically active architectures were produced by photopolymerizing bifunctional molecules using a commercial stereolithographic 3D printer. Functionalities in the monomers included a polymerizable vinyl group to assemble the 3D structures and a secondary group to provide them with active sites. The 3D-printed architectures containing accessible carboxylic acid, amine, and copper carboxylate functionalities were catalytically active for the Mannich, aldol, and Huisgen cycloaddition reactions, respectively. The functional groups in the 3D-printed structures were also amenable to post-printing chemical modification. As proof of principle, chemically active cuvette adaptors were 3D printed and used to measure in situ the kinetics of a heterogeneously catalyzed Mannich reaction in a conventional solution spectrophotometer. In addition, 3D-printed millifluidic devices with catalytically active copper carboxylate complexes were used to promote azide-alkyne cycloaddition under flow conditions. The importance of controlling the 3D architecture of the millifluidic devices was evidenced by enhancing reaction conversion upon increasing the complexity of the 3D prints.
- Authors:
-
- Ames Lab., Ames, IA (United States)
- Ames Lab., Ames, IA (United States); Delft Univ. of Technology (Netherlands)
- Publication Date:
- Research Org.:
- Ames Lab., Ames, IA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1368055
- Alternate Identifier(s):
- OSTI ID: 1363711
- Report Number(s):
- IS-J 9350
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1702749
- Grant/Contract Number:
- AC02-07CH11358
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 95; Journal Issue: 21; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 3D printing; additive manufacturing; catalysis; polymeric materials; millifluidics
Citation Formats
Mkhitaryan, V. V., and Dobrovitski, V. V. Quantum dynamics of nuclear spins and spin relaxation in organic semiconductors. United States: N. p., 2017.
Web. doi:10.1103/PhysRevB.95.214204.
Mkhitaryan, V. V., & Dobrovitski, V. V. Quantum dynamics of nuclear spins and spin relaxation in organic semiconductors. United States. https://doi.org/10.1103/PhysRevB.95.214204
Mkhitaryan, V. V., and Dobrovitski, V. V. Mon .
"Quantum dynamics of nuclear spins and spin relaxation in organic semiconductors". United States. https://doi.org/10.1103/PhysRevB.95.214204. https://www.osti.gov/servlets/purl/1368055.
@article{osti_1368055,
title = {Quantum dynamics of nuclear spins and spin relaxation in organic semiconductors},
author = {Mkhitaryan, V. V. and Dobrovitski, V. V.},
abstractNote = {3D printing of materials with active functional groups can provide custom-designed structures that promote chemical conversions. Herein, catalytically active architectures were produced by photopolymerizing bifunctional molecules using a commercial stereolithographic 3D printer. Functionalities in the monomers included a polymerizable vinyl group to assemble the 3D structures and a secondary group to provide them with active sites. The 3D-printed architectures containing accessible carboxylic acid, amine, and copper carboxylate functionalities were catalytically active for the Mannich, aldol, and Huisgen cycloaddition reactions, respectively. The functional groups in the 3D-printed structures were also amenable to post-printing chemical modification. As proof of principle, chemically active cuvette adaptors were 3D printed and used to measure in situ the kinetics of a heterogeneously catalyzed Mannich reaction in a conventional solution spectrophotometer. In addition, 3D-printed millifluidic devices with catalytically active copper carboxylate complexes were used to promote azide-alkyne cycloaddition under flow conditions. The importance of controlling the 3D architecture of the millifluidic devices was evidenced by enhancing reaction conversion upon increasing the complexity of the 3D prints.},
doi = {10.1103/PhysRevB.95.214204},
journal = {Physical Review B},
number = 21,
volume = 95,
place = {United States},
year = {Mon Jun 12 00:00:00 EDT 2017},
month = {Mon Jun 12 00:00:00 EDT 2017}
}
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Works referencing / citing this record:
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