Synthesis and Self-Assembly of Nanocrystals, Nanoparticles and Thin Films for Sustainable Energy

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Nanotechnology and Applied Nanosciences".

Deadline for manuscript submissions: closed (31 January 2020) | Viewed by 6463

Special Issue Editor

Special Issue Information

Dear Colleagues,

Recent decades have seen the exploitation of nanotechnology potentialities in all technological fields connected to the challenges of human society. In particular, seminal breakthroughs have just been made, and, in the long-term, others are expected in the energy field. In this sense, the worlwide increasing energy demand poses a strict request concerning new sustainable approaches for energy production, conversion, and storage with a minimized environmental impact. Nanotechnology will be able to meet such a request with increasing efficiency in an environmentally and geopolitically sustainable fashion. This is due to its unique capability to provide novel functional materials and devices (by the atomic scale control of matter) that can be used to produce and storage clean, low-cost, sustainable energy.

This Special Issue of Applied Sciences aims at collecting a compilation of review articles and original research papers illustrating the latest developments in the synthesis and self-assembly of nanomaterials (such as nanocrystals, nanoparticles, and thin films) whose combined physical and chemical properties can be efficiently exploited for clean energy production, conversion, and storage. In particular, for this Special Issue, contributions dealing with synthesis and self-assembly approaches, characterization methodologies, applications of structurally and/or chemically functional-designed nanomaterials for the next generation clean energy production, storage, and use devices are welcomed. Multidisciplinary approaches crossing physical, chemical, and engineering competences are expected for the full exploitation of the nanomaterials properties at the forefront of nanotechnology.

Contributions regarding nanomaterials for sustainable energy falling within the following topics are particularly encouraged:

  • Nanomaterials for solar cells, fuel cells, hydrogen production and storage, new generation batteries, supercapacitors, thermoelectric devices, and solid-state lighting systems;
  • Combinations of different classes of nanomaterials in rationale-designed nanocomposites (organic-inorganic, metallo-dielectric, 0D-1D-2D hybrids, metal-organic frameworks, etc.);
  • Nanocatalysis;
  • Electrochemical energy production and storage;
  • Green self-assebly-based nanofabrication;
  • Photocatalytic, thermoelectric, photoelectrochemical, piezoelectric, piezotronic, and artificial photosynthetic nanomaterials;
  • Nanostructured devices for energy-efficient buildings;
  • Cutting-edge techniques for the quantitative characterization of morphological, structural, chemical, optical, electrical, magnetic, etc., properties of nanostructures (advanced spectroscopies, microscopies, etc.).

Dr. Francesco Ruffino
Guest Editor

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Keywords

  • nanomaterials
  • solar cells
  • fuel cells
  • batteries
  • supercapacitors
  • thermoelectricity
  • catalysis
  • hydrogen
  • lighting

Published Papers (2 papers)

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Research

12 pages, 5814 KiB  
Article
Tunable Synthesis of Hollow Co3O4 Nanoboxes and Their Application in Supercapacitors
by Xiao Fan, Per Ohlckers and Xuyuan Chen
Appl. Sci. 2020, 10(4), 1208; https://0-doi-org.brum.beds.ac.uk/10.3390/app10041208 - 11 Feb 2020
Cited by 25 | Viewed by 2608
Abstract
Hollow Co3O4 nanoboxes constructed by numerous nanoparticles were prepared by using a facile method consisting of precipitation, solvothermal and annealing reactions. The desirable hollow structure as well as a highly porous morphology led to synergistically determined and enhanced supercapacitor performances. [...] Read more.
Hollow Co3O4 nanoboxes constructed by numerous nanoparticles were prepared by using a facile method consisting of precipitation, solvothermal and annealing reactions. The desirable hollow structure as well as a highly porous morphology led to synergistically determined and enhanced supercapacitor performances. In particular, the hollow Co3O4 nanoboxes were comprehensively investigated to achieve further optimization by tuning the sizes of the nanoboxes, which were well controlled by initial precipitation reaction. The systematical electrochemical measurements show that the optimized Co3O4 electrode delivers large specific capacitances of 1832.7 and 1324.5 F/g at current densities of 1 and 20 A/g, and only 14.1% capacitance decay after 5000 cycles. The tunable synthesis paves a new pathway to get the utmost out of Co3O4 with a hollow architecture for supercapacitors application. Full article
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13 pages, 1737 KiB  
Article
Building Solar Cells from Nanocrystal Inks
by Kaiying Luo, Wanhua Wu, Sihang Xie, Yasi Jiang, Shengzu Liao and Donghuan Qin
Appl. Sci. 2019, 9(9), 1885; https://0-doi-org.brum.beds.ac.uk/10.3390/app9091885 - 08 May 2019
Cited by 6 | Viewed by 3414
Abstract
The use of solution-processed photovoltaics is a low cost, low material-consuming way to harvest abundant solar energy. Organic semiconductors based on perovskite or colloidal quantum dot photovoltaics have been well developed in recent years; however, stability is still an important issue for these [...] Read more.
The use of solution-processed photovoltaics is a low cost, low material-consuming way to harvest abundant solar energy. Organic semiconductors based on perovskite or colloidal quantum dot photovoltaics have been well developed in recent years; however, stability is still an important issue for these photovoltaic devices. By combining solution processing, chemical treatment, and sintering technology, compact and efficient CdTe nanocrystal (NC) solar cells can be fabricated with high stability by optimizing the architecture of devices. Here, we review the progress on solution-processed CdTe NC-based photovoltaics. We focus particularly on NC materials and the design of devices that provide a good p–n junction quality, a graded bandgap for extending the spectrum response, and interface engineering to decrease carrier recombination. We summarize the progress in this field and give some insight into device processing, including element doping, new hole transport material application, and the design of new devices. Full article
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