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1D/2D Hybrid Te/Graphene and Te/MoS2: Multifaceted Broadband Photonics and Green-Energy Applications
Department of Physics, Indian Institute of Science Bangalore, Bangalore, India.
Computer Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India.
Swedish e-Science Research Center (SeRC), KTH Royal Institute of Technology, Stockholm, Sweden.
Örebro University, School of Science and Technology. Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden.
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2022 (English)In: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 14, no 45, p. 51449-51458Article in journal (Refereed) Published
Abstract [en]

We highlight the enhanced electronic and optical functionalization in the hybrid heterojunction of one-dimensional (1D) tellurene with a two-dimensional (2D) monolayer of graphene and MoS2 in both lateral and vertical geometries. The structural configurations of these assemblies are optimized with a comparative analysis of the energetics for different positional placements of the 1D system with respect to the hexagonal 2D substrate. The 1D/2D coupling of the electronic structure in this unique assembly enables the realization of the three different types of heterojunctions, viz. type I, type II, and Z-scheme. The interaction with 1D tellurene enables the opening of a band gap of the order of hundreds of meV in 2D graphene for both lateral and vertical geometries. With both static and time-dependent first-principles analysis, we indicate their potential applications in broadband photodetection and absorption, covering a wide range of visible to infrared (near-IR to mid-IR) spectrum from 380 to 10 000 nm. We indicate that this 1D/2D assembly also has bright prospects in green-energy harvesting.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2022. Vol. 14, no 45, p. 51449-51458
Keywords [en]
1D/2D heterojunction, IR detection, TDDFT, energy harvesting, tellurium nanorod
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:oru:diva-102160DOI: 10.1021/acsami.2c13198ISI: 000881049000001PubMedID: 36321542Scopus ID: 2-s2.0-85141814208OAI: oai:DiVA.org:oru-102160DiVA, id: diva2:1710674
Funder
Swedish Research Council, 2016-05980 2019-05304 2018-05973Knut and Alice Wallenberg Foundation, 2018.0060StandUpeSSENCE - An eScience CollaborationAvailable from: 2022-11-14 Created: 2022-11-14 Last updated: 2022-11-29Bibliographically approved

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Eriksson, Olle

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