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Graphene is the first successfully prepared two-dimensional carbon nanomaterial. It consists of a honeycomb-like planar film formed by carbon atoms with sp² hybridization.

Upconverting nanoparticles (UCNPs) are a novel class of fluorescent materials that can convert near-infrared (NIR) excitation light into high-energy, short-wavelength light via an anti-Stokes process.

Fluorescence refers to the process by which molecules emit electromagnetic radiation in an excited state due to external stimuli such as light absorption, mechanical action, or chemical reactions.

Upconversion nanoparticles are a class of inorganic crystalline materials with unique optical properties. They can absorb low-energy near-infrared (NIR) light and convert it into higher-energy visible or ultraviolet (UV) light.

Single layer quantum dots refer to nanocrystals composed of a single atomic layer of semiconductor material. They typically exhibit a perfect spherical or specific geometric shape, are extremely small in size (usually between 2-10 nanometers), and possess unique quantum confinement effects.

Functional quantum dots are surface-modified semiconductor nanocrystals, typically at the nanometer scale. Chemically introducing specific functional groups onto the quantum dots' surfaces can alter their physical and chemical properties and impart directional functionality.

InP quantum dots are a nano-luminescent material with an indium phosphide (InP) core and a zinc sulfide (ZnS) shell. They feature tunable emission wavelength, high fluorescence efficiency, a narrow emission spectrum, and excellent stability. Their surface can be modified to achieve water- or oil-solubility, meeting the needs of various applications.

InP/ZnS quantum dots are core-shell semiconductor nanocrystals with an InP core and a ZnS shell. By adjusting the particle size, the emission wavelength can be precisely controlled. They exhibit high quantum yield, a narrow emission spectrum, and excellent photostability. They can be used in a variety of fields, including optical sensing and temperature monitoring.

CdSe quantum dots are semiconductor nanocrystals with a cadmium selenide core. They have a uniform particle size and their emission color can be tuned by size. Their core advantages include high quantum yield, a broad absorption spectrum, a narrow emission peak, and excellent photostability. Applications include biomedicine, optoelectronic devices, sensing, and catalysis.

In the era of rapid development of science and technology, people's demand for higher performance and more functions of electronic products is endless.

Carbon dots (CDs) are a novel class of fluorescent nanomaterials, which have small size (usually less than 10 nm), excellent water solubility, strong biocompatibility and low toxicity.

Carbon dots (CDs), as a new type of carbon nanomaterial, have attracted increasing attention in recent years.

Carbon dots (CDs) are a new type of nanomaterial in recent years, and have attracted much attention due to their unique optical properties, biocompatibility, good biodegradability and ease of surface modification.

CdTe quantum dots are semiconductor nanocrystals with CdTe as the core material. They typically adopt a core-shell structure and are coated with hydrophilic ligands to enhance water solubility.

CdSe/ZnS quantum dots are core-shell semiconductor nanomaterials with a cadmium selenide (CdSe) core and a zinc sulfide (ZnS) shell.

Carbon dots are a new type of nanomaterial. They have attracted a lot of attention as research targets for bioimaging and medical applications due to their great optical properties, biocompatibility, and low toxicity.

In the context of the continuous increase in global demand for sustainable energy, energy storage technology has become a research hotspot.

Carbon dots are a newly emerging class of zero-dimensional carbon materials with the merits of excellent optical properties, high biocompatibility, and low toxicity.

CdS/ZnS quantum dots are a type of fluorescent nanoparticles with a core-shell structure, consisting of a cadmium sulfide (CdS) core and a zinc sulfide (ZnS) shell. Its diameter is usually between 1-10 nanometers, and it has a significant quantum size effect.

CdS quantum dots are semiconductor nanocrystals with cadmium sulfide as the core. Their optical properties are dominated by the quantum confinement effect: the smaller the size, the shorter the emission wavelength and they have narrow peak emission, high fluorescence quantum yield and excellent photostability.