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Special Issue "Organic and Hybrid materials for Photovoltaic and Photonic applications"

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Applied Chemistry".

Deadline for manuscript submissions: 15 January 2021.

Special Issue Editors

Dr. Tersilla Virgili
Website
Guest Editor
National Research Council (CNR)-IFN, Milan, Italy
Interests: ultrafast spectroscopy, organic and hybrid material, strong and weak coupling
Dr. Mariacecilia Pasini
Website
Guest Editor
National Research Council (CNR)-SCITEC-“G. Natta”, Milan, Italy
Interests: development of organic and hybrid materials for optoelectronic and photonic; nanomaterials; sustainable materials and processes for advanced applications

Special Issue Information

Dear Colleagues,

Today, there is a huge demand for advanced materials capable of providing technological innovations. Among these, “organic semiconductors” combine the progress of semiconductors and plastic of the last century, becoming the subject of intense industrial and academic research. More recently, organic–inorganic hybrid functional materials have became a potential platform for applications in extremely diverse fields such as optics, microelectronics, transportation, health, energy, and energy storage. The interest in them is explained by the fact that it is possible to combine the best characteristics of both components in a large variety of combinations; in this way, they represent an intriguing class of materials with a large spectrum of applications.

This Special Issue will consider recent developments in the field of organic and hybrid materials in two of the most useful and promising applications of the millennium: photovoltaics and photonics. Multiple aspects of the materials will be taken into consideration, from the synthesis and the photophysical characterization to the application.

Dr. Tersilla Virgili
Dr. Mariacecilia Pasini
Guest Editors

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 papers will be 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. Molecules 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 2000 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

  • Novel organic and hybrid materials
  • Interlayer materials for photovoltaic devices
  • Sustainable materials, approaches, and methods
  • CW and ultrafast photophysical characterization
  • Perovskite semiconductors
  • Organic and hybrid nanoparticles
  • New lasing materials
  • Strong coupling or weak coupling regime in organic and hybrid microcavities
  • Amplified spontaneous emission.

Published Papers (1 paper)

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Research

Open AccessFeature PaperArticle
Determination of the Best Empiric Method to Quantify the Amplified Spontaneous Emission Threshold in Polymeric Active Waveguides
Molecules 2020, 25(13), 2992; https://doi.org/10.3390/molecules25132992 - 30 Jun 2020
Abstract
Amplified Spontaneous Emission (ASE) threshold represents a crucial parameter often used to establish if a material is a good candidate for applications to lasers. Even if the ASE properties of conjugated polymers have been widely investigated, the specific literature is characterized by several [...] Read more.
Amplified Spontaneous Emission (ASE) threshold represents a crucial parameter often used to establish if a material is a good candidate for applications to lasers. Even if the ASE properties of conjugated polymers have been widely investigated, the specific literature is characterized by several methods to determine the ASE threshold, making comparison among the obtained values impossible. We quantitatively compare 9 different methods employed in literature to determine the ASE threshold, in order to find out the best candidate to determine the most accurate estimate of it. The experiment has been performed on thin films of an homopolymer, a copolymer and a host:guest polymer blend, namely poly(9,9-dioctylfluorene) (PFO), poly(9,9-dioctylfluorene-cobenzothiadiazole) (F8BT) and F8BT:poly(3- hexylthiophene) (F8BT:rrP3HT), applying the Variable Pump Intensity (VPI) and the Variable Stripe Length (VSL) methods. We demonstrate that, among all the spectral features affected by the presence of ASE, the most sensitive is the spectral linewidth and that the best way to estimate the ASE threshold is to determine the excitation density at the beginning of the line narrowing. We also show that the methods most frequently used in literature always overestimate the threshold up to more than one order of magnitude. Full article
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