کنفرانس مهندسی برق ایران

صفحه اصلی / بیست و نهمین کنفرانس مهندسی برق ایران

Selenium Doped Hafnium Disulﬁde Alloy for Visible Photodetection

نویسندگان :

Mohammadreza Razeghizadeh¹ Mohsen Mazaherifar² Mahdi Pourfath³

1- دانشگاه تهران 2- دانشگاه تهران 3- دانشگاه تهران

کلمات کلیدی :

Two-dimensional materials, monolayer Hafnium Disulﬁde, optical absorption

چکیده :

This study provides a comprehensive analysis of the impact of doping with Selenium atoms on the electronic and opticalpropertiesof1T-HfS2,byusingﬁrstprinciplecalculations. Results indicate that HfS2 monolayer show its ﬁrst absorption peak in the visible range of electromagnetic spectrum. It is shown that the absorption peak shifts can be tuned by the addition of Se dopants to intrinsic HfS2 monolayer. This renders this material as a potential candidate for novel optoelectronic applications in a wide portion of visible range.

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