Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 140, Issue 18, Pages 5976-5986Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b02541
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Funding
- U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences [DE-SC0013906]
- Alfred P. Sloan Foundation
- American Academy of Arts and Sciences
- U.S. Department of Energy (DOE) [DE-SC0013906] Funding Source: U.S. Department of Energy (DOE)
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Silicon nanomaterials combine earth abundance and biodegradability with exceptional electronic properties. Strategic synthesis promises access to novel architectures with well-defined surface structure, size, and shape. Herein, we describe a five-step synthesis of functional macrocyclic polysilanes. Comparison of the materials isolated from isomeric building blocks provides evidence that building block directionality controls the shape of the resulting nanomaterial. Infrared (IR) and H-1 and Si-29 NMR spectroscopies, coupled to computational data, provide evidence of a well-defined Si-H and Si-Me terminated structure. The intrinsic porosity and the polarization arising from the hydridic character of the Si-H bond suggest applications in lithium-ion batteries, which are supported by quantum chemical calculations.
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