Journal
MRS BULLETIN
Volume 45, Issue 2, Pages 135-141Publisher
SPRINGER HEIDELBERG
DOI: 10.1557/mrs.2020.21
Keywords
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Funding
- Center for Integrated Nanotechnology, a US Department of Energy (DOE), Office of Basic Energy Sciences user facility
- DOE Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, Sandia's LDRD program
- National Science Foundation
- DOE's National Nuclear Security Administration [DE-NA0003525]
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Self-assembly techniques are powerful and efficient methods for the synthesis of nanoscale materials. Using these techniques and their combination with other bottom-up fabrication processes, materials with hierarchical features can be produced with form and function in multiple length scales. We synthesize multifunctional nanoparticles through surfactant-assisted noncovalent interactions using nanoparticle building blocks. Self-assembly of these nano-building blocks results in functional materials that exhibit well-defined morphologies and hierarchical architectures for a wide range of applications. Hierarchically structured porphyrin nanocrystals can be synthesized through surfactant micelle-confined noncovalent interactions of photoactive porphyrins. We can amplify the intrinsic advantages of individual photoactive porphyrins by engineering them into well-defined active nanostructures. Through kinetic control, these nanocrystals exhibit precisely defined size, shape, and spatial arrangement of the individual porphyrins, which facilitates intermolecular mass and energy transfer. These self-assembly techniques provide remarkable flexibility to design morphologies and architectures that produce desirable properties for practical applications including photocatalysis, photodegradation, and phototherapy.
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