Growth of large size SnSe single crystal and comparison of its thermoelectric property with polycrystal

Jin, Min; Jiang, Jun; Li, Rongbin; Wang, Xianghu; Chen, Yunxia; Zhang, Rulin; Chen, Yuqi

doi:10.1016/j.materresbull.2019.02.024

Cited by 16 publications

(8 citation statements)

References 19 publications

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“…(d) Melting method. Inset images from left to right are optical image of SnSe ingot (Reprinted with permission from ref . Copyright 2019 Elsevier), optical image of Bi 2 Te 3 synthesized by melt spinning (Reprinted from ref under the terms of a Creative Commons Attribution Non-Commercial License.…”

Section: Basis Of Thermoelectric Designmentioning

confidence: 99%

“…310 One of the drawbacks is that it is often difficult to control the structures of as-synthesized materials from combustion synthesis. 194 The insets of Figure 5d show some typical cases fabricated by conventional or advanced melting methods, including a SnSe ingot fabricated a conventional melting method, 311 Bi 2 Te 3 alloys fabricated by using an advanced melt spinning system, 312 and TiNiSn half-Heusler alloys fabricated by an arc-melting process. 313 2.2.5.…”

Section: T T Tmentioning

confidence: 99%

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Advanced Thermoelectric Design: From Materials and Structures to Devices

2020

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The long-standing popularity of thermoelectric materials has contributed to the creation of various thermoelectric devices and stimulated the development of strategies to improve their thermoelectric performance. In this review, we aim to comprehensively summarize the state-of-the-art strategies for the realization of high-performance thermoelectric materials and devices by establishing the links between synthesis, structural characteristics, properties, underlying chemistry and physics, including structural design (point defects, dislocations, interfaces, inclusions, and pores), multidimensional design (quantum dots/wires, nanoparticles, nanowires, nano-or microbelts, few-layered nanosheets, nano-or microplates, thin films, single crystals, and polycrystalline bulks), and advanced device design (thermoelectric modules, miniature generators and coolers, and flexible thermoelectric generators). The outline of each strategy starts with a concise presentation of their fundamentals and carefully selected examples. In the end, we point out the controversies, challenges, and outlooks toward the future development of thermoelectric materials and devices. Overall, this review will serve to help materials scientists, chemists, and physicists, particularly students and young researchers, in selecting suitable strategies for the improvement of thermoelectrics and potentially other relevant energy conversion technologies.

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Section: Basis Of Thermoelectric Designmentioning

confidence: 99%

Section: T T Tmentioning

confidence: 99%

Advanced Thermoelectric Design: From Materials and Structures to Devices

2020

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“…Figure a shows the electrical conductivity of the printed SnSe samples. All printed samples show a similar trend of electrical conductivity to single-crystal SnSe above ∼450 K and previously printed work conducted throughout all temperatures. , The electrical conductivity reaches a first peak at ∼450 K, subsequently declining until ∼650 K, after which the electrical conductivity increases. The sudden increase in electrical conductivity seen between 750 and 873 K can be explained by the reversible phase change ( Pnma to Cmcm ) that occurs in SnSe at around 750 K. The electrical conductivity, however, does appear to be greatly affected by the concentration of Na 2 SiO 3 , with the conductivity decreasing as the amount of binder increases.…”

Section: Resultsmentioning

confidence: 99%

Rapid Printing of Pseudo-3D Printed SnSe Thermoelectric Generators Utilizing an Inorganic Binder

Howells

Mehraban

McGettrick

et al. 2023

ACS Appl. Mater. Interfaces

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There has been much interest in tin selenide (SnSe) in the thermoelectric community since the discovery of the record zT in the material in 2014. Manufacturing techniques used to produce SnSe are largely energy-intensive (e.g., spark plasma sintering); however, recently, in previous work, SnSe has been shown to be produced via a low embodied energy printing technique, resulting in 3D samples with high zT values (up to 1.7). Due to the additive manufacturing technique, the manufacturing time required was substantial. In this work, 3D samples were printed using the inorganic binder sodium metasilicate and reusable molds. This facilitated a single-step printing process that substantially reduced the manufacturing time. The printed samples were thermally stable through multiple thermal cycles, and a peak zT of 0.751 at 823 K was observed with the optimum binder concentration. A proof-of-concept thermoelectric generator produced the highest power output of any reported printed Se-based TEG to date.

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“…In research by Jin et al [96], SnSe monocrystals of 100 mm length, 50 mm width, and 15 mm height were developed using the Horizontal Bridgman method. Polycrystalline SnSe was placed in a sealed crucible under a vacuum within the quartz crucible.…”

Section: Bridgman Methodsmentioning

confidence: 99%

An Overview of the Strategies for Tin Selenide Advancement in Thermoelectric Application

et al. 2021

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Chalcogenide, tin selenide-based thermoelectric (TE) materials are Earth-abundant, non-toxic, and are proven to be highly stable intrinsically with ultralow thermal conductivity. This work presented an updated review regarding the extraordinary performance of tin selenide in TE applications, focusing on the crystal structures and their commonly used fabrication methods. Besides, various optimization strategies were recorded to improve the performance of tin selenide as a mid-temperature TE material. The analyses and reviews over the methodologies showed a noticeable improvement in the electrical conductivity and Seebeck coefficient, with a noticeable decrement in the thermal conductivity, thereby enhancing the tin selenide figure of merit value. The applications of SnSe in the TE fields such as microgenerators, and flexible and wearable devices are also discussed. In the future, research in low-dimensional TE materials focusing on nanostructures and nanocomposites can be conducted with the advancements in material science technology as well as microtechnology and nanotechnology.

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Growth of large size SnSe single crystal and comparison of its thermoelectric property with polycrystal

Cited by 16 publications

References 19 publications

Advanced Thermoelectric Design: From Materials and Structures to Devices

Advanced Thermoelectric Design: From Materials and Structures to Devices

Rapid Printing of Pseudo-3D Printed SnSe Thermoelectric Generators Utilizing an Inorganic Binder

An Overview of the Strategies for Tin Selenide Advancement in Thermoelectric Application

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