Cadmium telluride - Nanotechnology

What is Cadmium Telluride?

Cadmium Telluride (CdTe) is a compound semiconductor material composed of cadmium and tellurium. It is widely known for its use in photovoltaic cells, particularly in thin-film solar cells. Due to its optimal bandgap and high absorption coefficient, CdTe is highly efficient in converting sunlight into electricity.

Applications in Nanotechnology

In the realm of nanotechnology, CdTe nanocrystals or quantum dots are of significant interest. These nanomaterials have unique optical and electronic properties that differ from their bulk counterparts. CdTe quantum dots are used in applications such as bioimaging, photovoltaics, and light-emitting diodes (LEDs).

Why is CdTe Suitable for Solar Cells?

CdTe is particularly suitable for solar cells because it has a near-optimal bandgap of 1.45 eV, which allows for efficient absorption of sunlight. Additionally, the material has a high absorption coefficient, meaning it can absorb a large amount of sunlight in a thin layer. This makes CdTe ideal for use in thin-film solar cells, which are more cost-effective and less material-intensive compared to traditional silicon-based solar cells.

Environmental and Health Concerns

While CdTe offers numerous advantages, there are concerns regarding the toxicity of cadmium. Cadmium is a heavy metal and is known to be harmful to human health and the environment. Proper handling, recycling, and disposal mechanisms are essential to mitigate these risks. Advances in green nanotechnology are focused on reducing the environmental impact of CdTe usage.

Recent Advances in CdTe Nanotechnology

Recent research has focused on improving the efficiency and stability of CdTe-based devices. Innovations such as the development of core-shell quantum dots and the integration of CdTe with other nanomaterials are paving the way for more efficient and durable applications. Additionally, efforts are being made to reduce the cost of production and enhance the scalability of CdTe nanotechnology.

Future Prospects

The future of CdTe in nanotechnology looks promising, with the potential for significant advancements in various fields. Research is ongoing to further understand the quantum mechanical properties of CdTe nanocrystals and to develop new applications. As the technology matures, CdTe is expected to play a crucial role in the development of next-generation optoelectronic devices and renewable energy solutions.

Relevant Publications

Efficient and stable perovskite mini-module via high-quality homogeneous perovskite crystallization and improved interconnect.

Issue Release: 2024

Detector size selection for long-range targeting performance in the extended shortwave infrared band.

Issue Release: 2024

Physico-Chemical Properties of CdTe/Glutathione Quantum Dots Obtained by Microwave Irradiation for Use in Monoclonal Antibody and Biomarker Testing.

Issue Release: 2024

ROS-mediated NRF2/p-ERK1/2 signaling-involved mitophagy contributes to macrophages activation induced by CdTe quantum dots.

Issue Release: 2024

Development of optical and electrochemical immunodevices for dengue virus detection.

Issue Release: 2024

Human serum albumin directed formation of cadmium telluride quantum dots: Applications in biosensing, anti-bacterial activities and cell cytotoxicity measurements.

Issue Release: 2024

Chemically processed CdTe thin films for potential applications in solar cells - Effect of Cu doping.

Issue Release: 2024

Highly efficient photoelectrochemical aptasensor based on CdS/CdTe QDs co-sensitized TiO nanoparticles designed for thrombin detection.

Issue Release: 2024

Low-dose cadmium telluride quantum dots trigger M1 polarization in macrophages through mTOR-mediated transcription factor EB activation.

Issue Release: 2024

The Influence of Kinetic Models and Attenuation Correction on Cadmium-Zinc-Telluride Single-Photon Emission Computed Tomography (CZT SPECT)-Derived Myocardial Blood Flow and Reserve: Correlation with Invasive Angiography Data.

Issue Release: 2024

Hierarchical Transparent Back Contacts for Bifacial CdTe PV.

Issue Release: 2024

Quantum dots as a fluorescent labeling tool for live-cell imaging of .

Issue Release: 2024

Effect of strain on the photoelectric properties of molybdenum ditelluride under vacancy defects: a DFT investigation.

Issue Release: 2024

Microbial Fabrication of Quantum Dots: Mechanism and Applications.

Issue Release: 2024

Effect of Nanoscale Surface Roughness and Electron-Phonon Interaction on Vibrational Modes of Cadmium Telluride Using Resonant Raman Spectroscopy.

Issue Release: 2024

Fabrication of Glucose Fluorescent Aptasensor Based on CdTe Quantum Dots.

Issue Release: 2024

Characterization of myocardial perfusion imaging systems - an extension of quality metrics.

Issue Release: 2024

EANM position paper on challenges and opportunities of full-ring 360° CZT bone imaging: it\'s time to let go of planar whole-body bone imaging.

Issue Release: 2024

Simultaneous iodine and barium imaging with photon-counting CT.

Issue Release: 2024

Feasibility study of photon-counting CT for material identification based on YSO/SiPM detector: A proof of concept.

Issue Release: 2024

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