Fast and high photoresponsivity gallium telluride/hafnium selenide van der Waals heterostructure photodiode
Amir Muhammad Afzal, Sohail Mumtaz, Muhammad Zahir Iqbal, Muhammad Zahir Iqbal, Muhammad Waqas Iqbal, Muhammad Waqas Iqbal, Alina Manzoor, Ghulam Dastgeer, Muhammad Javaid Iqbal, Muhammad Javaid Iqbal, Yasir Javed, Rajwali Khan, Naveed Akhtar Shad, Muhammad Munir Sajid, Tausif Zahid
Abstract
A novel and unique GaTe/HfSe<sub>2</sub> vdW heterostructure photodiode shows a high photoresponsivity of <graphic xmlns:xlink="http://www.w3.org/1999/xlink" id="ugt1" xlink:href="http://pubs.rsc.org/TC/2021/d1tc00867f/d1tc00867f-t1..gif"/> with an extraordinary external quantum efficiency of 54%.
Topics & Concepts
Materials scienceHeterojunctionPhotodiodeOptoelectronicsHafniumvan der Waals forceGalliumTellurideSelenideChemistrySeleniumZirconiumMetallurgyOrganic chemistryMolecule2D Materials and ApplicationsAdvanced Semiconductor Detectors and MaterialsChalcogenide Semiconductor Thin Films