Bismuth Telluride (bi2te3) - Nanotechnology

What is Bismuth Telluride (Bi2Te3)?

Bismuth telluride (Bi2Te3) is a compound of bismuth and tellurium, recognized for its excellent thermoelectric properties. It is a prominent material in the field of thermoelectric materials, especially in nanotechnology due to its ability to efficiently convert heat into electrical energy and vice versa.

Why is Bismuth Telluride Important in Nanotechnology?

Bi2Te3 is crucial in nanotechnology primarily because its thermoelectric efficiency increases significantly at the nanoscale. Nanoscale modifications, such as reducing the material to nanostructures, enhance its thermoelectric figure of merit (ZT). This makes it an excellent candidate for applications like cooling systems and power generation from waste heat.

How is Bismuth Telluride Synthesized at the Nanoscale?

Various methods are employed to synthesize Bi2Te3 at the nanoscale, including mechanical exfoliation, chemical vapor deposition (CVD), and solution-based synthesis. Each method has its advantages and limitations in terms of quality, scalability, and cost.

What are the Applications of Nanostructured Bismuth Telluride?

Nanostructured Bi2Te3 is used in a range of applications due to its enhanced properties. It is employed in thermoelectric generators for energy harvesting, Peltier coolers for electronic cooling, and in sensors due to its sensitivity to temperature changes.

What are the Challenges in Working with Bismuth Telluride Nanomaterials?

Despite its advantages, working with Bi2Te3 nanomaterials presents several challenges. These include material stability, toxicity of tellurium, and the complexity of nanofabrication. Additionally, integrating these nanomaterials into practical devices while maintaining their enhanced properties is a significant hurdle.

Future Prospects of Bismuth Telluride in Nanotechnology

The future of Bi2Te3 in nanotechnology looks promising with ongoing research focused on improving its thermoelectric efficiency and developing cost-effective fabrication techniques. Innovations in nanocomposites and hybrid materials are also expected to broaden its application scope, making it a key material in sustainable energy technologies.

Relevant Publications

Fabrication of Bi2Te3 and Sb2Te3 Thermoelectric Thin Films using Radio Frequency Magnetron Sputtering Technique.

Issue Release: 2024

Ultra-sensitive graphene-bismuth telluride nano-wire hybrids for infrared detection.

Issue Release: 2019

Flexible thermoelectric generators with inkjet-printed bismuth telluride nanowires and liquid metal contacts.

Issue Release: 2019

Facile production of thermoelectric bismuth telluride thick films in the presence of polyvinyl alcohol.

Issue Release: 2016

Thermal transport in bismuth telluride quintuple layer: mode-resolved phonon properties and substrate effects.

Issue Release: 2016

The fingerprint of Te-rich and stoichiometric Bi2Te3 nanowires by Raman spectroscopy.

Issue Release: 2016

Ab initio lattice dynamics and thermochemistry of layered bismuth telluride (Bi2Te3).

Issue Release: 2016

Elastic properties of van der Waals epitaxy grown bismuth telluride 2D nanosheets.

Issue Release: 2015

Mechanism of bismuth telluride exfoliation in an ionic liquid solvent.

Issue Release: 2015

Crystal symmetry breaking in few quintuple Bi2Te3 nanosheets: applications in nanometrology of topological insulators and low-temperature thermoelectrics.

Issue Release: 2014

Synthesis of the thermoelectric nanopowder recovered from the used thermoelectric modules.

Issue Release: 2014

Selective adsorption of bismuth telluride nanoplatelets through electrostatic attraction.

Issue Release: 2014

Origin of the high performance in GeTe-based thermoelectric materials upon Bi2Te3 doping.

Issue Release: 2014

Atomic layer-by-layer thermoelectric conversion in topological insulator bismuth/antimony tellurides.

Issue Release: 2014

Bacterial recovery and recycling of tellurium from tellurium-containing compounds by Pseudoalteromonas sp. EPR3.

Issue Release: 2014

Conversion efficiency of skutterudite-based thermoelectric modules.

Issue Release: 2014

Fabrication of DNA-templated Te and Bi2Te3 nanowires by galvanic displacement.

Issue Release: 2013

Effects of surface band bending and scattering on thermoelectric transport in suspended bismuth telluride nanoplates.

Issue Release: 2013

Wet-chemical synthesis and consolidation of stoichiometric bismuth telluride nanoparticles for improving the thermoelectric figure-of-merit.

Issue Release: 2013

Synthesis and thermoelectric properties of compositional-modulated lead telluride-bismuth telluride nanowire heterostructures.

Issue Release: 2013

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