WS2 nanoflakes based selective ammonia sensors at room temperature

X Li, X Li, Z Li, J Wang, J Zhang - Sensors and Actuators B: Chemical, 2017 - Elsevier
A selective room-temperature ammonia sensor using WS 2 nanoflakes as the sensing
materials was successfully developed in this work. The two-dimensional WS 2 sharing the …

Thermal stability of WS2 flakes and gas sensing properties of WS2/WO3 composite to H2, NH3 and NO2

F Perrozzi, SM Emamjomeh, V Paolucci… - Sensors and Actuators B …, 2017 - Elsevier
We report on the fabrication and on the morphological, structural, chemical and the electrical
characterization of WS 2 thin films sensors prepared by drop casting a commercial solution …

Synthesis and Transfer of Large-Area Monolayer WS2 Crystals: Moving Toward the Recyclable Use of Sapphire Substrates

ZQ Xu, Y Zhang, S Lin, C Zheng, YL Zhong, X **a… - ACS …, 2015 - ACS Publications
Two-dimensional layered transition metal dichalcogenides (TMDs) show intriguing potential
for optoelectronic devices due to their exotic electronic and optical properties. Only a few …

2D WS2 nanosheets with TiO2 quantum dots decoration for high-performance ammonia gas sensing at room temperature

Z Qin, C Ouyang, J Zhang, L Wan, S Wang… - Sensors and Actuators B …, 2017 - Elsevier
Abstract Recently, Tungsten disulfide (WS 2) nanosheets are widely used for room-
temperature NH 3 sensing. However, the lower sensitivity and the microstructural instability …

Effects of Defects on Band Structure and Excitons in WS2 Revealed by Nanoscale Photoemission Spectroscopy

C Kastl, RJ Koch, CT Chen, J Eichhorn, S Ulstrup… - ACS …, 2019 - ACS Publications
Two-dimensional materials with engineered composition and structure will provide designer
materials beyond conventional semiconductors. However, the potentials of defect …

Fabrication of luminescent monolayered tungsten dichalcogenides quantum dots with giant spin-valley coupling

L Lin, Y Xu, S Zhang, IM Ross, ACM Ong, DA Allwood - ACS nano, 2013 - ACS Publications
A high yield (> 36 wt%) method has been developed of preparing monolayered tungsten
dichalcogenide (WS2) quantum dots (QDs) with lateral size∼ 8–15 nm from multilayered …

Sustainable liquid-phase exfoliation of layered materials with nontoxic polarclean solvent

V Paolucci, G D'Olimpio, L Lozzi, AM Mio… - ACS Sustainable …, 2020 - ACS Publications
Liquid-phase exfoliation is the most suitable platform for large-scale production of two-
dimensional materials. One of the main open challenges is related to the quest of green and …

Two-Dimensional High-Quality Monolayered Triangular WS2 Flakes for Field-Effect Transistors

Y Yue, JC Chen, Y Zhang, SS Ding… - … applied materials & …, 2018 - ACS Publications
Large-area uniform of single-crystal tungsten disulfide (WS2) is important for advanced
optoelectronics based on two-dimensional (2D) atomic crystals. However, difficulties in …

Vapor-phase growth and characterization of Mo 1− x W x S 2 (0≤ x≤ 1) atomic layers on 2-inch sapphire substrates

H Liu, KKA Antwi, S Chua, D Chi - Nanoscale, 2014 - pubs.rsc.org
Atomically thin Mo1− xWxS2 (0≤ x≤ 1) ternary compounds have been grown on 2-inch c-
plane sapphire substrates with high uniformity by sulfurizing thin Mo1− xWx layers that were …

Light enhanced VOCs sensing of WS2 microflakes based chemiresistive sensors powered by triboelectronic nangenerators

D Gu, X Li, H Wang, M Li, Y **, Y Chen, J Wang… - Sensors and Actuators B …, 2018 - Elsevier
The triboelectrical nanogenerators (TENGs)-powered light enhanced gas sensor has been
successfully developed for detection of ammonia by using WS 2 microflakes as the …