Novel Strategies on Halide Perovskite Materials
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "D1: Advanced Energy Materials".
Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 3491
Special Issue Editor
Interests: semiconductors; materials science; photovoltaics; light-emitting diodes (LEDs); responsive materials; spectroscopy; photochemistry; electrochemistry; chemical synthesis
Special Issue Information
Dear Colleagues,
The Guest Editor is inviting submissions for a Special Issue of Energies on the subject area of "Novel Strategies on Halide Perovskite Materials". The optoelectronic devices research has been revolutionized in the last decade since the inclusion of Perovskite (PS) derivatives towards the development of photovoltaics technologies. These materials have shown unprecedented properties and uniqueness, considering the mild synthetic conditions required, which commonly proceed via solution-processed procedures and show relatively broad synthetic versatility, their very often polycrystalline nature together a reduced density of defects, high charge mobility, among other features. Therefore, a wide family of PS derivatives, in bulk and/or nanometric scale, are currently being developed in the scientific community for their further application in photovoltaics, light-emitting devices, lasing, sensors, photocatalysis, among others.
Despite the exciting opto-electronic properties that PS derivatives have shown so far, there exist several limitations that hamper their exploitation in market technologies, thus demanding the development of new strategies to overcome the encountered drawbacks. Probably the most common weaknesses that define the main challenges to be addressed in the forthcoming years are: i) (photo-)chemical instability especially notable in 3D-PS upon exposure to polar solvents, moisture and/or oxygen; ii) toxicity due to presence of heavy metals; iii) lack of responsivity to external stimuli towards the development of materials with in-situ tunable properties. To overcome the instability issues, several approaches based on passivation/encapsulation, use of bulky cations to induce the formation of 2D-PS, mixed cation/halide formulations, incorporation of nanocrystal semiconductors into the PS bulk, solvent engineering procedures, etc., have been proposed; however, reaching the exigent standards for a subsequent commercialization of devices and technologies is still a challenge, and requires more efficient approaches. The toxicity issue can be minimized through an effective encapsulation of the PS layer or substitution of the most generally employed metal, i.e. lead; unfortunately, with the encapsulation, the metal leaching and the issues associated to recycling remain, and the use of less harmful elements is most often associated with a detrimental reduction of the device’s efficiency and/or stability. Alternatively, the insertion of functional building-blocks into the PS structure is a less explored topic, which could, undoubtedly, enable the fabrication of responsive, adaptative and smart materials/devices in the next years.
We kindly invite you to submit your relevant work in the field of "Novel Strategies on Halide Perovskite Materials" for consideration for publication. This Special Issue represents an opportunity to gather papers on the most recent advances in this field, with application to opto-electronics.
Dr. Rafael Sánchez Sánchez
Guest Editor
Manuscript Submission Information
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Keywords
- novel perovskite semiconductors
- responsive materials
- opto-electronic properties
- photovoltaics
- light-emitting diodes
- smart devices
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