Silicon nanocrystals: unfading silicon materials for optoelectronics
As the most fundamental material for microelectronics, silicon (Si) has bourgeoned in the
past more than half a century. However, given the indirect bandgap of Si, the use of Si in …
past more than half a century. However, given the indirect bandgap of Si, the use of Si in …
Bright silicon quantum dot synthesis and LED design: insights into size–ligand–property relationships from slow-and fast-band engineering
K Saitow - Bulletin of the Chemical Society of Japan, 2024 - academic.oup.com
Multicolor, bright silicon quantum dots (SiQDs)—SiQDs with photoluminescence in a range
of colors and quantum yields (PLQYs) of> 90%—are promising heavy-metal-free light …
of colors and quantum yields (PLQYs) of> 90%—are promising heavy-metal-free light …
Designing efficient Si quantum dots and LEDs by quantifying ligand effects
T Ono, Y Xu, T Sakata, K Saitow - ACS Applied Materials & …, 2021 - ACS Publications
The impact of colloidal silicon quantum dots (SiQDs) on next-generation light sources is
promising. However, factors determining the efficiency of SiQDs, such as the …
promising. However, factors determining the efficiency of SiQDs, such as the …
Near-unity internal quantum efficiency of luminescent silicon nanocrystals with ligand passivation
Spectrally resolved photoluminescence (PL) decays were measured for samples of
colloidal, ligand-passivated silicon nanocrystals. These samples have PL emission energies …
colloidal, ligand-passivated silicon nanocrystals. These samples have PL emission energies …
Bright silicon nanocrystals from a liquid precursor: Quasi-direct recombination with high quantum yield
Silicon nanocrystals (SiNCs) with bright bandgap photoluminescence (PL) are of current
interest for a range of potential applications, from solar windows to biomedical contrast …
interest for a range of potential applications, from solar windows to biomedical contrast …
Phosphorus pentachloride initiated functionalization of silicon nanocrystals
Phosphorus pentachloride (PCl5) has long been used to chlorinate hydrocarbons. It has
also been applied in silicon surface chemistry to facilitate alkylation via a two-step …
also been applied in silicon surface chemistry to facilitate alkylation via a two-step …
Origin of the photoluminescence quantum yields enhanced by alkane-termination of freestanding silicon nanocrystals: temperature-dependence of optical properties
On the basis of the systematic study on temperature dependence of photoluminescence (PL)
properties along with relaxation dynamics we revise a long-accepted mechanism for …
properties along with relaxation dynamics we revise a long-accepted mechanism for …
Probing silicon quantum dots by single-dot techniques
Silicon nanocrystals represent an important class of non-toxic, heavy-metal free quantum
dots, where the high natural abundance of silicon is an additional advantage. Successful …
dots, where the high natural abundance of silicon is an additional advantage. Successful …
Abrupt size partitioning of multimodal photoluminescence relaxation in monodisperse silicon nanocrystals
Intrinsic constraints on efficient photoluminescence (PL) from smaller alkene-capped silicon
nanocrystals (SiNCs) put limits on potential applications, but the root cause of such effects …
nanocrystals (SiNCs) put limits on potential applications, but the root cause of such effects …
Ligand Stabilities and Reactivities of Green Photoluminescent Silicon Quantum Dots: Positive Aging in Solution
N **gu, K Sumida, T Hayakawa, T Ono… - Chemistry of …, 2024 - ACS Publications
Bright full-color silicon quantum dots (SiQDs) are promising heavy-metal-free light sources
for displays, lighting, and biomedical imaging. However, the relationships linking the …
for displays, lighting, and biomedical imaging. However, the relationships linking the …