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Advanced Two-Dimensional Materials: Characterization, Defect-Engineering, and Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Thin Films and Interfaces".

Deadline for manuscript submissions: 20 October 2024 | Viewed by 1017

Special Issue Editor


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Guest Editor
Istituto Nanoscienze-Consiglio Nazionale delle Ricerche, Pisa, Italy
Interests: quantum optics in 2D materials; defect engineering in 2D materials; 2D-material-based optoelectronic devices; 2D-material-based sensor devices; Raman spectroscopy

Special Issue Information

Dear Colleagues,

This Special Issue focuses on the state-of-the-art research progress in the field of two-dimensional (2D) materials. Thanks to their exceptional optical, electronic, thermal, and mechanical properties, 2D materials attract significant interest for both their use in fundamental science and their related applications. Designing new 2D structures to unlock novel functionalities, laying the groundwork for the next-generation devices, is of particular interest. Several approaches are exploited to this end, ranging from the manipulation of these materials’ natural properties via structural defect engineering or assembling and mixing 2D materials in homo- or heterostructures, e.g., band structure tuning via altering the lattice structure or via twisting the atomic planes in vertical heterostructures; tuning optical and electronic properties by mixing different materials; generating photon sources via defect-based color centers; and enhancing surface chemical reactivity via structural defect engineering. Consequently, the newly developed structures represent the ideal candidates for developing innovative devices in the fields of optics, photonics, electronics, opto-electronics, radiation sensing, biosensing, opto-mechanics, etc.

The present Special Issue is primarily devoted to novel experimental studies on 2D materials that explore property characterization, property tuning via materials assembling and defect engineering (design, methodology control, and characterization), and their applications in device physics.

It is my pleasure to invite you to submit full papers, communications, and reviews for this Special Issue.

Dr. Federica Bianco
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • 2D materials
  • van der Waals homo- and heterostructures
  • defect engineering
  • property engineering
  • property characterization
  • structural investigational 2D-material-based device physics

Published Papers (1 paper)

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Research

8 pages, 2264 KiB  
Communication
A Green Synthesis Strategy for Cobalt Phosphide Deposited on N, P Co-Doped Graphene for Efficient Hydrogen Evolution
by Jingwen Ma, Jun Wang, Junbin Li, Ying Tian and Tianai Zhang
Materials 2023, 16(18), 6119; https://doi.org/10.3390/ma16186119 - 7 Sep 2023
Cited by 1 | Viewed by 816
Abstract
The exploitation of electrocatalysts with high activity and durability for the hydrogen evolution reaction is significant but also challenging for future energy systems. Transition metal phosphides (TMPs) have attracted a lot of attention due to their effective activity for the hydrogen evolution reaction, [...] Read more.
The exploitation of electrocatalysts with high activity and durability for the hydrogen evolution reaction is significant but also challenging for future energy systems. Transition metal phosphides (TMPs) have attracted a lot of attention due to their effective activity for the hydrogen evolution reaction, but the complicated preparation of metal phosphides remains a bottleneck. In this study, a green fabrication method is designed and proposed to construct N, P co-doped graphene (NPG)-supported cobalt phosphide (Co2P) nanoparticles by using DNA as both N and P sources. Thanks to the synergistic effect of NPG and Co2P, the Co2P/NPG shows effective activity with a small overpotential of 144 mV and a low Tafel slope of 72 mV dec−1 for the hydrogen evolution reaction. This study describes a successful green synthesis strategy for the preparation of high-performance TMPs. Full article
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