Highly sensitive flexible NO<sub>2</sub> sensor composed of vertically aligned 2D SnS<sub>2</sub> operating at room temperature

Pyeon, Jung Joon; Baek, In‐hwan; Song, Young Geun; Kim, Gwang Su; Cho, Ah-Jin; Lee, Ga-Yeon; Han, Jeong Hwan; Chung, Taek‐Mo; Hwang, Cheol Seong; Kang, Chong Yun; Kim, Seong Keun

doi:10.1039/d0tc02242j

Cited by 43 publications

(25 citation statements)

References 33 publications

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“…Pyeon et al [252] used the Sn(dmamp) 2 + H 2 S plasma process to grow SnS 2 films that were used as flexible NO 2 sensors. Coating the polyimide substrate with ALD Al 2 O 3 prior to the SnS 2 growth transformed the morphology of the SnS 2 films from smooth to rough.…”

Section: Gas Sensorsmentioning

confidence: 99%

“…The response of the SnS 2 sensor toward NO 2 was very high compared to the other sensors discussed here as well as other TMDC and metal oxide based NO 2 sensors reported in literature (refs. [252,326] and references therein). However, although the response time was not studied in detail, it is apparent that the slow response of the ALD SnS 2 sensor as well as most of the other sensors discussed here needs to be improved in the future.…”

Section: Gas Sensorsmentioning

confidence: 99%

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Atomic Layer Deposition of 2D Metal Dichalcogenides for Electronics, Catalysis, Energy Storage, and Beyond

Mattinen

Leskelä

Ritala

2021

Adv Materials Inter

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it was soon replaced by other materials. Research on the fundamental properties and preparation of TMDC monolayers in solution (1986), [8] on single-crystal substrates in ultrahigh vacuum (2001), [9] and in an accessible way using mechanical exfoliation [10] (2005) followed. It was the discovery of graphene in 2004 [11] with its ever expanding list of unique and exciting properties, phenomena, and potential applications [12] that amassed broad attention to 2D materials and resulted in the 2010 Nobel Prize in Physics awarded to Andre Geim and Konstantin Novoselov. Tremendous efforts have been put toward synthesis and applications of graphene, including the billion euro Graphene Flagship project funded by the European Union. [13,14] Graphene is a semimetal, however, and the need to have semiconducting materials for many crucial applications, in particular in electronics, has led researchers to search for other 2D materials. The scientific community turned to TMDCs following breakthroughs in observation of unique thickness-dependent properties, [15,16] monolayer synthesis using chemical vapor deposition (CVD), [17,18] and demonstration of high-performance semiconductor devices [19-21] in 2010-2013 (Figure 1). Indeed, in 2013 the number of scientific publications on TMDCs, in particular MoS 2 , nearly tripled over 2012, and the strong growth has continued to date, fueled by advances in synthesis, new devices, and exciting physical phenomena. The explosive growth in MoS 2 research has also expanded to other TMDCs, [22] resulting in yet new phenomena and potential applications being found. [23-26] It is now clear that TMDCs are remarkable in many ways. Their layered crystal structure gives rise to fundamental physics not seen in 3D materials, which enables novel devices and applications. [25,26,32,34-36] The layered structure also gives TMDCs their highly anisotropic properties, extremely high specific surface areas, possibility to intercalate different species between the layers, and stability as ultrathin sheets down to three atomic layers thick. The TMDC family contains dozens of different materials from semiconductors to semimetals, metals, and even superconductors. [5,22,25,34] However, TMDC research is still mostly in the early discovery stages and the investigations of TMDCs largely continue using flakes produced by mechanical exfoliation of bulk crystals. [10,26] Unfortunately, this method cannot be scaled up for practical 2D transition metal dichalcogenides (TMDCs) are among the most exciting materials of today. Their layered crystal structures result in unique and useful electronic, optical, catalytic, and quantum properties. To realize the technological potential of TMDCs, methods depositing uniform films of controlled thickness at low temperatures in a highly controllable, scalable, and repeatable manner are needed. Atomic layer deposition (ALD) is a chemical gas-phase thin film deposition method capable of meeting these challenges. In this review, the applications evaluated for ALD TMDCs are systematically...

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Section: Gas Sensorsmentioning

confidence: 99%

Section: Gas Sensorsmentioning

confidence: 99%

Atomic Layer Deposition of 2D Metal Dichalcogenides for Electronics, Catalysis, Energy Storage, and Beyond

Mattinen

Leskelä

Ritala

2021

Adv Materials Inter

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“…[26][27][28] Therefore, ALD has been successfully applied not only to displays and semiconductors but also to various energy devices that require nanoscale surface engineerings such as solar cells, batteries, sensors, and fuel cells. 14,15,17,29,30…”

Section: A Brief Overview Of Atomic Layer Depositionmentioning

confidence: 99%

“…successfully applied not only to displays and semiconductors but also to various energy devices that require nanoscale surface engineerings such as solar cells, batteries, sensors, and fuel cells. 14,15,17,29,30 ALD for thin film electrolytes Thin and dense electrolyte fabrication is crucial for the development of high-performance SOFCs. Many processes that minimize the ohmic loss and gas leakage of the electrolyte have been suggested to prepare dense thin lms.…”

Section: A Brief Overview Of Atomic Layer Depositionmentioning

confidence: 99%

“…Moreover, due to its advantage of being able to coat metals and oxides with various compositions at a low temperature, ALD is widely applied in the sensor, battery, fuel cell fields, all of which require elaborate nanoscale processes. [13][14][15][16][17] In fact, the number of review articles dealing with the energy and catalysts field such as fuel cells, battery, heterogeneous catalysts, water splitting, etc. with "ALD" as a keyword has increased by 68% within the past five years, proving the importance of the application of ALD in energy-related fields (Fig.…”

Section: Introductionmentioning

confidence: 99%

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Nanoscale interface engineering for solid oxide fuel cells using atomic layer deposition

et al. 2022

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Vertically Aligned Graphene‐Analogous Low‐Dimensional Materials: A Review on Emerging Trends, Recent Developments, and Future Perspectives

Shinde

Samal

Rout

2022

Adv Materials Inter

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2D materials currently includes graphene, transition metal dichalcogenides (TMDs), hexagonal boron nitride (h-BN), 2D carbides/nitrides (MXenes), monoelemental Xenes, and perovskites. [2][3][4][5][6] These families opened new horizons for advanced applications since they have unusual electronic, mechanical, and optical properties. Though these materials have layered structures, yet their diversity in properties highly depends on their composition and phases.Graphene owns interesting properties like large surface area, dangling bond-free surface, high carrier mobility, high optical absorption coefficient, high Young's modulus, and high thermal conductivity. [7] However, the zero bandgap and semimetal properties of graphene limit its application in switching devices. h-BN attracted magnetized attention due to its superb chemical stability and intrinsic insulation. [8] As one of the most studied families, TMDs offer diversity in compositions, and phases, which exhibit many technologically interesting properties. [9][10][11] Among TMDs, MoS 2 is the most examined and well-explored material due to its robustness and semiconducting properties. TMDs offer a unique combination of atomic-scale thickness, strong spin-orbit coupling, sizeable bandgap, and favorable optoelectronic properties for numerous applications. [12] MXenes represent a large family of 2D materials whose several structures were predicted theoretically, while several of them have been realized experimentally also such as Ti

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Highly sensitive flexible NO₂ sensor composed of vertically aligned 2D SnS₂ operating at room temperature

Abstract: Gas sensors for Internet of Things applications should meet two requisites—low power consumption and easy mounting universally. To satisfy the conditions, gas sensors need to operate at lower temperature and...

Cited by 43 publications

References 33 publications

Atomic Layer Deposition of 2D Metal Dichalcogenides for Electronics, Catalysis, Energy Storage, and Beyond

Atomic Layer Deposition of 2D Metal Dichalcogenides for Electronics, Catalysis, Energy Storage, and Beyond

Nanoscale interface engineering for solid oxide fuel cells using atomic layer deposition

Vertically Aligned Graphene‐Analogous Low‐Dimensional Materials: A Review on Emerging Trends, Recent Developments, and Future Perspectives

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Highly sensitive flexible NO2 sensor composed of vertically aligned 2D SnS2 operating at room temperature

Abstract: Gas sensors for Internet of Things applications should meet two requisites—low power consumption and easy mounting universally. To satisfy the conditions, gas sensors need to operate at lower temperature and...

Cited by 43 publications

References 33 publications

Atomic Layer Deposition of 2D Metal Dichalcogenides for Electronics, Catalysis, Energy Storage, and Beyond

Atomic Layer Deposition of 2D Metal Dichalcogenides for Electronics, Catalysis, Energy Storage, and Beyond

Nanoscale interface engineering for solid oxide fuel cells using atomic layer deposition

Vertically Aligned Graphene‐Analogous Low‐Dimensional Materials: A Review on Emerging Trends, Recent Developments, and Future Perspectives

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Highly sensitive flexible NO₂ sensor composed of vertically aligned 2D SnS₂ operating at room temperature