Photoluminescence emission induced by localized states in halide-passivated colloidal two-dimensional WS2 nanoflakes

Author:

Mastria Rosanna1ORCID,Loiudice Anna2,Vávra Jan2,Nobile Concetta1,Scarfiello Riccardo1,Cozzoli P. Davide34ORCID,Kovtun Alessandro5ORCID,Liscio Andrea6,Sestu Nicola7,Marongiu Daniela7,Quochi Francesco7ORCID,Buonsanti Raffaella2ORCID,Saba Michele7ORCID,Calzolari Arrigo8ORCID,Rizzo Aurora1ORCID

Affiliation:

1. CNR NANOTEC – Institute of Nanotechnology, Polo di Nanotecnologia, c/o Campus Ecotekne, Via Monteroni, 73100 Lecce, Italy

2. Laboratory of Nanochemistry for Energy (LNCE), Department of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Sion, CH-1950, Switzerland

3. Dipartimento di Matematica e Fisica “E. De Giorgi”, Università del Salento, Via per Arnesano, 73100 Lecce, Italy

4. UdR INSTM di Lecce, c/o, Università del Salento, Campus Ecotekne, via Arnesano, 73100 Lecce, Italy

5. CNR ISOF – Institute for the Organic Synthesis and Photoreactivity, via Gobetti 101, 40129, Bologna, Italy

6. Institute of Microelectronics and Microsystems (IMM), National Research Council of Italy (CNR), via del Fosso del Cavaliere 100, 00133 Rome, Italy

7. Dipartimento di Fisica, Università di Cagliari, I-09042 Monserrato, Italy

8. Istituto Nanoscienze, CNR-NANO, S3 Center, Via Campi 213/a, 41125 Modena, Italy

Abstract

A solution-phase halide passivation strategy to engineer the optical properties of two-dimensional transition metal dichalcogenides synthesized by a colloidal approach.

Funder

Horizon 2020 Framework Programme

Ministero dell’Istruzione, dell’Università e della Ricerca

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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