2D Materials: Large‐Area and High‐Quality 2D Transition Metal Telluride (Adv. Mater. 3/2017)

Zhou, Jiadong; Liu, Fucai; Lin, Junhao; Huang, Xiangwei; Xia, Juan; Zhang, Bowei; Zeng, Qingsheng; Wang, Hong; Zhu, Chao; Niu, Lin; Wang, Xuewen; Fu, Wei; Yu, Peng; Chang, Tay-Rong; Hsu, Chuang‐Han; Wu, Di; Jeng, Horng‐Tay; Huang, Yizhong; Lin, Hsin; Shen, Zexiang; Yang, Changli; Lü, Li; Suenaga, Kazu; Zhou, Wu; Pantelides, Sokrates T.; Liu, Guangtong; Liu, Zheng

doi:10.1002/adma.201770015

Cited by 8 publications

(7 citation statements)

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“…However, the low chemical reactivity of Te together with the small electronegativity difference between Te and Mo/W makes the synthesis of Te-based TMDs (MoTe 2 and WTe 2 ) much more difficult than that of S- and Se-based TMDs, such as MoS 2 , WS 2 , MoSe 2 , WSe 2 , etc. − Furthermore, the ground-state energy difference per formula unit between 2H and 1T’ phases of monolayer MoTe 2 (35 meV) is much smaller than the comparable energy difference in other TMDs materials, posing great challenges to the controllable synthesis of a pure crystal phase MoTe 2 . Recently, several pioneering works have reported the successful synthesis of two-dimensional (2D) MoTe 2 by using chemical vapor deposition (CVD) growth. ,− For example, Lee and Kong’s group reported the synthesis of a few-layer MoTe 2 film with different phases via the tellurization of predeposited Mo or MoO 3 films. ,, Subsequently, the Zhou and Liu group illustrated the direct CVD growth of monolayer 1T’-MoTe 2 film using MoO 3 or MoO 3 –MoCl 5 –Te mixed source as a Mo precursor. , These groundbreaking works have given great promotion to the synthesis of MoTe 2 film; however, a method of controlled synthesis of highly crystalline 2H MoTe 2 and 1T’ MoTe 2 with defined geometry and thickness is still lacking. In particular, the structural metastability of MoTe 2 makes its phase structure sensitive to the subtle variation of the growth parameters in the CVD process, which poses a great obstacle to realize phase control in CVD growth of MoTe 2 .…”

Section: Introductionmentioning

confidence: 99%

Thermodynamics and Kinetics Synergetic Phase-Engineering of Chemical Vapor Deposition Grown Single Crystal MoTe₂ Nanosheets

Liu

et al. 2018

Crystal Growth & Design

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Molybdenum ditelluride (MoTe 2 ), which is stabilized in both semiconducting hexagonal (2H) and metallic distorted octahedral (1T') phases, has attracted increasing attention owing to their attractive properties for promising wide applications. Exploring the full potential of this emerging material requires a reliable synthesis approach to precisely control its phase structure. Here, we report on the growth of high crystallinity MoTe 2 nanosheets with a controlled phase via the tellurization of chemical vapor deposition-grown MoO 2 nanosheets. The single crystal MoO 2 nanosheets with rhombus shape were converted into MoTe 2 single crystal nanosheets with morphology maintained well through the tellurization process. The phase structure of as-grown MoTe 2 is determined by the synergetic effect of thermodynamics and kinetics in the crystal growth process, which is based on the difference in the thermodynamic stability and the lattice strain between 2H and 1T' phases. Low growth temperature combined with a slow tellurization rate (low Te content) is favorable for growing 2H-MoTe 2 , while high growth temperature together with a fast tellurization rate (high Te content) is beneficial to grow 1T'-MoTe 2 . A phase diagram based on the thermodynamics and kinetics of MoTe 2 growth was drawn, which provides significant guidance for future synthesizing of two-dimensional materials with a controlled phase structure.

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Section: Introductionmentioning

confidence: 99%

Thermodynamics and Kinetics Synergetic Phase-Engineering of Chemical Vapor Deposition Grown Single Crystal MoTe₂ Nanosheets

Liu

et al. 2018

Crystal Growth & Design

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“…This process involves the use of gaseous precursor reactants, which are introduced into a reaction chamber where they react and deposit onto a substrate, leading to the formation of a thin film. To achieve this, components of the gaseous precursor are broken down through atomic and intermolecular chemical interactions [93–95] . The substrates, precursors, temperature, and other parameters all affect the shape and characteristics of 2D metal tellurides [96–99] .…”

Section: Preparations Of Telluride‐based Materialsmentioning

confidence: 99%

“…MoTe 2 has recently emerged as a promising material owing to its unique semi‐metallic and semiconducting properties. Naylor et al [93] . utilized the CVD approach for producing high‐quality 2H and 1T’‐ MoTe 2 films with a uniform crystal structure.…”

Section: Preparations Of Telluride‐based Materialsmentioning

confidence: 99%

Telluride‐Based Materials: A Promising Route for High Performance Supercapacitors

Khan,

Sajjad,

Khan

et al. 2023

The Chemical Record

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As supercapacitor (SC) technology continues to evolve, there is a growing need for electrode materials with high energy/power densities and cycling stability. However, research and development of electrode materials with such characteristics is essential for commercialization the SC. To meet this demand, the development of superior electrode materials has become an increasingly critical step. The electrochemical performance of SCs is greatly influenced by various factors such as the reaction mechanism, crystal structure, and kinetics of electron/ion transfer in the electrodes, which have been challenging to address using previously investigated electrode materials like carbon and metal oxides/sulfides. Recently, tellurium and telluride‐based materials have garnered increasing interest in energy storage technology owing to their high electronic conductivity, favorable crystal structure, and excellent volumetric capacity. This review provides a comprehensive understanding of the fundamental properties and energy storage performance of tellurium‐ and Te‐based materials by introducing their physicochemical properties. First, we elaborate on the significance of tellurides. Next, the charge storage mechanism of functional telluride materials and important synthesis strategies are summarized. Then, research advancements in metal and carbon‐based telluride materials, as well as the effectiveness of tellurides for SCs, were analyzed by emphasizing their essential properties and extensive advantages. Finally, the remaining challenges and prospects for improving the telluride‐based supercapacitive performance are outlined.

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“…Among all the growth methods, CVD is identified as a relatively controllable approach for fabricating large‐area few‐layer thin films or 2D crystals. [ 78–83 ] Many 2D MTACs can be fabricated by CVD technique which is a well‐established process of semiconductor fabrication and has good scalability. [ 84–90 ] The presence of a special vapor state in CVD makes them very sensitive to fluctuations in growth conditions, including the precursors, substrates and temperature.…”

Section: Preparationmentioning

confidence: 99%

Two‐Dimensional Metal Telluride Atomic Crystals: Preparation, Physical Properties, and Applications

Tao

et al. 2021

Adv Funct Materials

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Atom‐thick 2D metal telluride atomic crystals (2D MTACs) display many fascinating physical properties for potential applications in multiple fields. In this review, recent advances in the preparation, physical properties and applications of 2D MTACs are presented. First, three kinds of the most available preparation methods for 2D single crystal MTACs have been summarized, including single crystal‐based mechanical exfoliation, molecular beam epitaxy, and chemical vapor deposition. Second, the recent progress on abundant physical properties of 2D MTACs is briefly introduced, including surface electronic properties, optoelectronic properties, electronic transport, and thermoelectric properties, ferroelectric properties, superconducting properties, and ferromagnetic properties. Third, the potential electronics, spintronics, optoelectronics and energy applications of 2D MTACs are presented. Finally, some significant challenges and opportunities in 2D MTACs are briefly addressed.

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2D Materials: Large‐Area and High‐Quality 2D Transition Metal Telluride (Adv. Mater. 3/2017)

Cited by 8 publications

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Thermodynamics and Kinetics Synergetic Phase-Engineering of Chemical Vapor Deposition Grown Single Crystal MoTe₂ Nanosheets

Thermodynamics and Kinetics Synergetic Phase-Engineering of Chemical Vapor Deposition Grown Single Crystal MoTe₂ Nanosheets

Telluride‐Based Materials: A Promising Route for High Performance Supercapacitors

Two‐Dimensional Metal Telluride Atomic Crystals: Preparation, Physical Properties, and Applications

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2D Materials: Large‐Area and High‐Quality 2D Transition Metal Telluride (Adv. Mater. 3/2017)

Cited by 8 publications

References 0 publications

Thermodynamics and Kinetics Synergetic Phase-Engineering of Chemical Vapor Deposition Grown Single Crystal MoTe2 Nanosheets

Thermodynamics and Kinetics Synergetic Phase-Engineering of Chemical Vapor Deposition Grown Single Crystal MoTe2 Nanosheets

Telluride‐Based Materials: A Promising Route for High Performance Supercapacitors

Two‐Dimensional Metal Telluride Atomic Crystals: Preparation, Physical Properties, and Applications

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Thermodynamics and Kinetics Synergetic Phase-Engineering of Chemical Vapor Deposition Grown Single Crystal MoTe₂ Nanosheets

Thermodynamics and Kinetics Synergetic Phase-Engineering of Chemical Vapor Deposition Grown Single Crystal MoTe₂ Nanosheets