ArticleChemistry of materials : a publication of the American Chemical Society2018
One-Pot Gram-Scale Synthesis of Hydrogen-Terminated Silicon Nanoparticles.
Article in Chemistry of materials : a publication of the American Chemical Society, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Engineering the surface chemistry of silicon nanocrystals for efficient Ag-Si hybrid photocatalysts toward COFrontiers in chemistry · 2026Article
- New binary and ternary SiOScientific reports · 2025Article
- Streamlined synthesis of potential dual-emissive fluorescent silicon quantum dots (SiQDs) for cell imaging.RSC advances · 2023Article
- Recent Advances in Silicon Quantum Dot-Based Fluorescent Biosensors.Biosensors · 2023Review
- Water-Soluble Luminescent Silicon Nanocrystals by Plasma-Induced Acrylic Acid Grafting and PEGylation.ACS applied bio materials · 2022Article
- Surface-Anisotropic Janus Silicon Quantum Dots via Masking on 2D Silicon Nanosheets.Advanced materials (Deerfield Beach, Fla.) · 2021Article
- Synthesis of PEG-grafted boron doped Si nanocrystals.The Journal of chemical physics · 2019Article
- Microwave-Driven Synthesis of Iron-Oxide Nanoparticles for Molecular Imaging.Molecules (Basel, Switzerland) · 2019Review
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Authors and funding
5 authors.
Funding
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Abstract
Silicon nanoparticles (Si NPs) are highly attractive materials for typical quantum dots functions, such as in light-emitting and bioimaging applications, owing to silicon's intrinsic merits of minimal toxicity, low cost, high abundance, and easy and highly stable functionalization. Especially nonoxidized Si NPs with a covalently bound coating serve well in these respects, given the minimization of surface defects upon hydrosilylation of H-terminated Si NPs. However, to date, methods to obtain such H-terminated Si NPs are still not easy. Herein, we report a new synthetic method to produce size-tunable robust, highly crystalline H-terminated Si NPs (4-9 nm) using microwave irradiation within 5 min at temperatures between 25 and 200 °C and their further covalent functionalization. The key step to obtain highly fluorescent (quantum yield of 7-16%) green-red Si NPs in one simple step is the reduction of triethoxysilane and (+)-sodium l-ascorbate, yielding routinely ∼1 g of H-Si NPs via a highly scalable route in 5-15 min. Subsequent functionalization via hydrosilylation yielded Si NPs with an emission quantum yield of 12-14%. This approach can be used to easily produce high-quality H-Si NPs in gram-scale quantities, which brings the application of functionalized Si NPs significantly closer.
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Registered trials
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