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Hybrid van der Waals SnO/MoS2 Heterojunctions for Thermal and Optical Sensing Applications
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2017-11-10 , DOI: 10.1002/aelm.201700396 Zhenwei Wang 1 , Xin He 1 , Xi-Xiang Zhang 1 , Husam N. Alshareef 1
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2017-11-10 , DOI: 10.1002/aelm.201700396 Zhenwei Wang 1 , Xin He 1 , Xi-Xiang Zhang 1 , Husam N. Alshareef 1
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Emerging van der Waals heterojunctions (vdWH) containing 2D materials have shown exciting functionalities that surpass those of traditional devices based on bulk materials. In this Communication, a report on the properties of a 2D sulfide/oxide hybrid vdWH based on n‐type molybdenum disulfide (MoS2) and p‐type tin monoxide (SnO) is presented, with promising rectification, thermal‐sensing, and photosensing performance. Specifically, the hybrid SnO/MoS2 vdWH shows static rectification ratio of 2 × 102 with ideality factor of 2.3, and can operate at 100 Hz with good stability. The vdWH shows good temperature stability with reversible and reproducible current levels up to 110 °C, indicating its potential for thermal sensing applications. The sensitivity of current variation is calculated to be 0.0144 dec °C−1. Finally, maximum responsivity of 8.17 mA W−1 and external quantum efficiency of 2.14% have been achieved in photovoltaic measurements. The results suggest that MoS2–SnO hybrid vdWH are promising for various sensing applications.
中文翻译：
适用于热敏和光学传感的混合范德华SnO / MoS2异质结
包含2D材料的新兴范德华异质结（vdWH）表现出令人兴奋的功能，超过了基于散装材料的传统设备的功能。在本通讯中，将介绍基于n型二硫化钼（MoS 2）和p型一氧化锡（SnO）的2D硫化物/氧化物混合vdWH的性能报告，并提出了有希望的整流，热敏和光敏技术。表现。具体地说，混合SnO / MoS 2 vdWH的静态整流比为2×10 2理想因数为2.3，并且可以在100 Hz下稳定运行。vdWH表现出良好的温度稳定性，在高达110°C的温度下具有可逆和可再现的电流水平，表明其在热传感应用中的潜力。计算出电流变化的灵敏度为0.0144 dec°C -1。最后，在光伏测量中已经实现了8.17 mA W -1的最大响应度和2.14％的外部量子效率。结果表明，MoS 2 -SnO混合vdWH在各种传感应用中很有前途。
更新日期：2017-11-10
中文翻译：
适用于热敏和光学传感的混合范德华SnO / MoS2异质结
包含2D材料的新兴范德华异质结（vdWH）表现出令人兴奋的功能，超过了基于散装材料的传统设备的功能。在本通讯中，将介绍基于n型二硫化钼（MoS 2）和p型一氧化锡（SnO）的2D硫化物/氧化物混合vdWH的性能报告，并提出了有希望的整流，热敏和光敏技术。表现。具体地说，混合SnO / MoS 2 vdWH的静态整流比为2×10 2理想因数为2.3，并且可以在100 Hz下稳定运行。vdWH表现出良好的温度稳定性，在高达110°C的温度下具有可逆和可再现的电流水平，表明其在热传感应用中的潜力。计算出电流变化的灵敏度为0.0144 dec°C -1。最后，在光伏测量中已经实现了8.17 mA W -1的最大响应度和2.14％的外部量子效率。结果表明，MoS 2 -SnO混合vdWH在各种传感应用中很有前途。
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