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Themed collection Editor’s Choice: Thermoelectric nanostructures

25 items
Minireview

2D layered all-inorganic halide perovskites: recent trends in their structure, synthesis and properties

Here, we discuss the recent development in all-inorganic 2D layered halide perovskites highlighting their crystal structure, synthesis, transformations, and optical, thermoelectric, magnetic, and catalytic properties.

Graphical abstract: 2D layered all-inorganic halide perovskites: recent trends in their structure, synthesis and properties
Minireview

2D and 3D nanostructuring strategies for thermoelectric materials

Recent progress and research trends for 2D and 3D nanostructures in thermoelectric applications.

Graphical abstract: 2D and 3D nanostructuring strategies for thermoelectric materials
Communication

Origins of pressure-induced enhancement in thermal conductivity of hybrid inorganic–organic perovskites

The thermal conductivity of hybrid perovskites can be tuned by more than an order of magnitude through application of hydrostatic pressure, thus emphasizing the potential in enhancing their efficiencies in photovoltaic applications.

Graphical abstract: Origins of pressure-induced enhancement in thermal conductivity of hybrid inorganic–organic perovskites
From the themed collection: 2021 Nanoscale HOT Article Collection
Open Access Communication

Spatially resolved thermoelectric effects in operando semiconductor–metal nanowire heterostructures

The thermoelectric properties of a nanoscale germanium segment connected by aluminium nanowires are studied using scanning thermal microscopy.

Graphical abstract: Spatially resolved thermoelectric effects in operando semiconductor–metal nanowire heterostructures
Communication

Graphene inclusion induced ultralow thermal conductivity and improved figure of merit in p-type SnSe

Polycrystalline SnSe sample with graphene embedded in realized the enhancement of phonon scattering and achieved ultralow thermal conductivity.

Graphical abstract: Graphene inclusion induced ultralow thermal conductivity and improved figure of merit in p-type SnSe
Communication

High thermoelectric power-factor composites based on flexible three-dimensional graphene and polyaniline

Uniform distribution of strong π–π interfaces between PANI and graphene across the whole macrostructure enhances the thermoelectric properties of hybrid thermoelectric nanocomposites.

Graphical abstract: High thermoelectric power-factor composites based on flexible three-dimensional graphene and polyaniline
Open Access Paper

Molecular-scale thermoelectricity: as simple as ‘ABC’

If the Seebeck coefficient of single molecules or self-assembled monolayers could be predicted from measurements of their conductance–voltage (GV) characteristics alone, then the difficult experimental task of measuring their thermoelectric properties could be avoided.

Graphical abstract: Molecular-scale thermoelectricity: as simple as ‘ABC’
Paper

Nanostructured monoclinic Cu2Se as a near-room-temperature thermoelectric material

Nanostructured monoclinic Cu2Se with low thermal conductivity shows a figure of merit of 0.72 at 380 K.

Graphical abstract: Nanostructured monoclinic Cu2Se as a near-room-temperature thermoelectric material
Paper

Isolated flat bands and physics of mixed dimensions in a 2D covalent organic framework

Rational design of 2D-COFs results in an isolated flat band, and quasi-1D and quasi-0D physics in a single 2D system.

Graphical abstract: Isolated flat bands and physics of mixed dimensions in a 2D covalent organic framework
Paper

Revealing the origin of dislocations in Pb1−xSb2x/3Se (0 < x ≤ 0.07)

Dislocations could be originated from the nanostructures in Pb1−xSb2x/3Se (0 < x ≤ 0.07), which is important to defect engineering in thermoelectrics.

Graphical abstract: Revealing the origin of dislocations in Pb1−xSb2x/3Se (0 < x ≤ 0.07)
Open Access Paper

Electronic conductance and thermopower of single-molecule junctions of oligo(phenyleneethynylene) derivatives

OPE3 derivatives with tailored substituents are promising substrates for thermoelectric characterization using STM in single-molecule junctions with gold electrodes.

Graphical abstract: Electronic conductance and thermopower of single-molecule junctions of oligo(phenyleneethynylene) derivatives
Paper

Thermoelectric performance of nanostructured In/Pb codoped SnTe with band convergence and resonant level prepared via a green and facile hydrothermal method

The enhanced thermoelectric performance is achieved in nanostructured SnTe with band convergence and resonant level prepared by a green and facile hydrothermal method.

Graphical abstract: Thermoelectric performance of nanostructured In/Pb codoped SnTe with band convergence and resonant level prepared via a green and facile hydrothermal method
Paper

Ultra-low thermal conductivity and high thermoelectric performance of two-dimensional triphosphides (InP3, GaP3, SbP3 and SnP3): a comprehensive first-principles study

By performing first-principles calculations combined with the Boltzmann transport equation, we report a comprehensive study of the thermal and thermoelectric properties of monolayer triphosphides InP3, GaP3, SbP3 and SnP3.

Graphical abstract: Ultra-low thermal conductivity and high thermoelectric performance of two-dimensional triphosphides (InP3, GaP3, SbP3 and SnP3): a comprehensive first-principles study
Paper

Core–shell nanostructures introduce multiple potential barriers to enhance energy filtering for the improvement of the thermoelectric properties of SnTe

BiCuSeO@SnO2 core-shell nanostructures can introduce multiple potential barriers in SnTe to enhance energy filtering effect.

Graphical abstract: Core–shell nanostructures introduce multiple potential barriers to enhance energy filtering for the improvement of the thermoelectric properties of SnTe
Paper

Atomic-scale tuning of oxygen-doped Bi2Te2.7Se0.3 to simultaneously enhance the Seebeck coefficient and electrical conductivity

The simultaneous enhancement of the Seebeck coefficient and electrical conductivity is achieved in Bi2Te2.7Se0.3 using an ALD-based strategy.

Graphical abstract: Atomic-scale tuning of oxygen-doped Bi2Te2.7Se0.3 to simultaneously enhance the Seebeck coefficient and electrical conductivity
Open Access Paper

High-performance thermoelectric silver selenide thin films cation exchanged from a copper selenide template

A high-performance n-type thermoelectric Ag2Se thin film via cation exchange using a low-cost solution processed Cu2Se template.

Graphical abstract: High-performance thermoelectric silver selenide thin films cation exchanged from a copper selenide template
Paper

Monolayer SnP3: an excellent p-type thermoelectric material

Monolayer SnP3 is a novel two-dimensional (2D) semiconductor material with high carrier mobility and large optical absorption coefficient, implying its potential applications in the photovoltaic and thermoelectric (TE) fields.

Graphical abstract: Monolayer SnP3: an excellent p-type thermoelectric material
Paper

Monolayer β-tellurene: a promising p-type thermoelectric material via first-principles calculations

Side and top views of monolayer 2D-β-Tellurene with difference charge densities (DCD).

Graphical abstract: Monolayer β-tellurene: a promising p-type thermoelectric material via first-principles calculations
Paper

A honeycomb-like paper-based thermoelectric generator based on a Bi2Te3/bacterial cellulose nanofiber coating

A honeycomb-like paper-based thermoelectric generator for energy harvesting.

Graphical abstract: A honeycomb-like paper-based thermoelectric generator based on a Bi2Te3/bacterial cellulose nanofiber coating
Paper

Integration of multi-scale defects for optimizing thermoelectric properties of n-type Cu1−xCdxFeS2 (x = 0–0.1)

Illustration of integrating multi-scale defects for optimizing the thermoelectric properties of Cu1−xCdxFeS2.

Graphical abstract: Integration of multi-scale defects for optimizing thermoelectric properties of n-type Cu1−xCdxFeS2 (x = 0–0.1)
Open Access Paper

Magnetically enhancing the Seebeck coefficient in ferrofluids

A thermogalvanic cell containing nanofluids under working conditions.

Graphical abstract: Magnetically enhancing the Seebeck coefficient in ferrofluids
Paper

Ultralow lattice thermal conductivity induced high thermoelectric performance in the δ-Cu2S monolayer

The δ-Cu2S monolayer exhibits an ultralow κ1 of 0.10 W m−1 K−1 and a high ZT of 1.33 at 800 K.

Graphical abstract: Ultralow lattice thermal conductivity induced high thermoelectric performance in the δ-Cu2S monolayer
Paper

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

A nanowire based flexible thermoelectric generator with liquid metal contacts is fabricated by inkjet and spray printing.

Graphical abstract: Flexible thermoelectric generators with inkjet-printed bismuth telluride nanowires and liquid metal contacts
Paper

Thermoelectric terahertz photodetectors based on selenium-doped black phosphorus flakes

We here demonstrate terahertz detection activated by photo-thermoelectric effect in selenium-doped black phosphorus flakes.

Graphical abstract: Thermoelectric terahertz photodetectors based on selenium-doped black phosphorus flakes
Paper

Engineering of charge carriers via a two-dimensional heterostructure to enhance the thermoelectric figure of merit

Thermoelectric ZT of n-doped ZrSe2/HfSe2 SLM at room temperature.

Graphical abstract: Engineering of charge carriers via a two-dimensional heterostructure to enhance the thermoelectric figure of merit
25 items

About this collection

Professor Jin Zou, University of Queensland, Australia and Associate Editor for Nanoscale and Nanoscale Advances, introduces his Editor’s Choice collection.

“The development of thermoelectric materials has been considered as a key sustainable solution in dealing with the global energy dilemma by harvesting electricity from waste heat. Nanostructuring is a critical approach to enhance thermoelectric properties and coupled with other strategies, the development of thermoelectric nanostructures has been an active research discipline in exploring high-performance energy materials.

In this online collection, we have selected an array of thermoelectric nanomaterials related research articles and reviews recently published in Nanoscale and Nanoscale Advances, providing informative examples on the design and realization of thermoelectric materials with improved performance through theoretical modelling and/or experiments. In these articles, rich strategies have been demonstrated or proposed to enhance thermoelectric performance. Detailed correlations between observed properties with determined structural and chemical characteristics of thermoelectric materials allow the fundamental understanding of the nature of these materials, which, we hope, may inspire our readers in our wider nanocommunity.”

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