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دسته بندی:
برق الکترونیک - Power Electronics
سال انتشار:
2021
عنوان انگلیسی مقاله:
Defect-engineering-enhanced electrical manipulation of anisotropic excitons in two-dimensional ReS2
ترجمه فارسی عنوان مقاله:
دستکاری الکتریکی اکسیتون های ناهمسانگرد با نقص مهندسی در ReS2 دو بعدی
منبع:
ScienceDirect- Elsevier- Surfaces and Interfaces, 27 (2021) 101562: doi:10:1016/j:surfin:2021:101562
نویسنده:
Shuyi Wu
چکیده انگلیسی:
Engineering the photoluminescence (PL) properties, such as emission peaks, intensity, and lifetime, is highly
desirable for widespread applications. Electric control is a facile and feasible method, and electrical manipulation
of the PL properties with a high efficiency becomes increasingly important. ReS2 has excellent environmental
stability, distinctive interlayer decoupling, and strong anisotropic properties. Herein, taking ReS2 as a prototype
material, we propose a novel strategy to enhance electrical control of anisotropic excitons in ReS2 by defect
engineering. Sulfur vacancies have been introduced controllably by mild argon plasma treatment, and contribute
to the anisotropic defect-related exciton emission whose polarization direction is almost the same as those of the
excitons along the Re–S atomic chains. However, the conversion from the neutral excitons to the defect-related
excitons significantly modulate the radiation recombination behavior under a lateral electric field. The defect engineering-enhanced electrical manipulation of anisotropic excitons paves the way towards an exciton engineering in new 2D electronic and optoelectronic devices.
Keywords: Photoluminescence | Anisotropic | Defect engineering | Electric control
قیمت: رایگان
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