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BiTe/Carbon Nanotube Hybrid Nanomaterials as Catalysts for Thermoelectric Hydrogen Peroxide Generation.
Molecules
November 2024
School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212000, China.
Harnessing waste heat from environmental or industrial sources presents a promising approach to eco-friendly and sustainable chemical synthesis. In this study, we introduce a thermoelectrocatalytic (TECatal) system capable of utilizing even small amounts of heat for hydrogen peroxide (HO) production. We developed a nanohybrid structure, combining carbon nanotubes (CNTs) and BiTe nanoflakes (BiTe/CNTs), through a one-pot synthesis method.
View Article and Find Full Text PDFRoadmap for Power Generation of Industrial Hot Extruded BiTe-Based Thermoelectric Device in Real-World Heat Sources.
ACS Appl Mater Interfaces
November 2024
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China.
Recovering waste heat through thermoelectric (TE) technology is critical for enhancing energy efficiency. However, commercial devices often require n- and p-type thermoelectric units to have similar cross-sectional areas and conductivities, complicating optimization of their figure of merit (). Moreover, real-world heat sources are not constant temperature sources, and only heat flux can be measured.
View Article and Find Full Text PDFA BiTe topological insulator/carbon nanotubes hybrid composites as a new counter electrode material for DSSC and NIR photodetector application.
J Colloid Interface Sci
January 2025
Functional Materials and Energy Devices Laboratory, Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur 603 203, Chennai, India; Nanotechnology Research Centre (NRC), SRM Institute of Science and Technology, Kattankulathur 603 203, Chennai, India; Center of Excellence in Materials and Advanced Technologies (CeMAT), Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, 603 203, India. Electronic address:
Two-dimensional layered bismuth telluride (BiTe), a prominent topological insulator, has garnered global scientific attention for its unique properties and potential applications in optoelectronics and electrochemical devices. Notably, there is a growing emphasis on improving photon-to-electron conversion efficiency in dye-sensitized solar cells (DSSCs), prompting the exploration of alternatives to noble metal catalysts like platinum (Pt). This study presents the synthesis of BiTe and its hybrid nanostructure with single-wall carbon nanotubes (SWCNT) via a straightforward hydrothermal process.
View Article and Find Full Text PDFAtomic-Layer-Controlled Magnetic Orders in MnBiTe-BiTe Topological Heterostructures.
Nano Lett
August 2024
Center for Quantum Materials Synthesis and Department of Physics & Astronomy, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States.
Article Synopsis
- - The MnBiTe-(BiTe) superlattice is a promising material that integrates topology and magnetism with low structural disorder, enabling effective study of magnetic properties.
- - Researchers found that ferromagnetic (FM) and antiferromagnetic (AFM) orders in this system can be controlled by adjusting either the Mn-Mn distance or the BiTe/MnBiTe ratio.
- - Their findings reveal that AFM order relies solely on the Mn-Mn distance, while FM order depends only on the BiTe/MnBiTe ratio, offering pathways to manipulate magnetic orders in similar materials.
Into the Void: Single Nanopore in Colloidally Synthesized BiTe Nanoplates with Ultralow Lattice Thermal Conductivity.
Chem Mater
July 2024
Department of Chemistry, University of California, One Shields Avenue, Davis, California 95616, United States.
BiTe is a well-known thermoelectric material that was first investigated in the 1960s, optimized over decades, and is now one of the highest performing room-temperature thermoelectric materials to-date. Herein, we report on the colloidal synthesis, growth mechanism, and thermoelectric properties of BiTe nanoplates with a single nanopore in the center. Analysis of the reaction products during the colloidal synthesis reveals that the reaction progresses via a two-step nucleation and epitaxial growth: first of elemental Te nanorods and then the binary BiTe nanoplate growth.
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