Abstract
Materials with different nanostructures can have diverse physical properties, and they exhibit unusual properties as compared to their bulk counterparts. Therefore, the structural control of desired nanomaterials is intensely attractive to many scientific applications. In this brief review, we mainly focus on reviewing our recent reports based on the materials of graphene and the transition metal chalcogenide, which have various low-dimensional nanostructures, in relation to the use of electrocatalysts in electrochemical energy applications; moreover, related literatures were also partially selected for discussion. In addition, future aspects of the nanostructure design related to the further enhancement of the performance of pertinent electrochemical energy devices will also be mentioned.
Highlights
Since 2004, graphene has been unambiguously produced and identified, soon causing a boom in global research on two-dimensional materials [1]
We focused on the most recent progress related to low-dimensional electrocatalysts for electrochemical energy applications
Pt is a promising electrocatalyst for hydrogen evolution reactions and triiodide reduction reactions in dye-sensitized solar cells (DSSCs), its precious cost and poor stability reveal the difficulty of using it for practical applications
Summary
Since 2004, graphene has been unambiguously produced and identified, soon causing a boom in global research on two-dimensional materials [1]. Graphene shows great potential in electronics, composites, and catalysis due to its great conductivity, high electron mobility, and high surface area [2]. GQDs exhibit great crystallinity, preserving the promising chemical and physical properties of graphene. A recent report revealed that the addition of GQD in counter electrodes (CEs) increased the efficiency in dye-sensitized solar cells (DSSCs) due to the improvement of the catalytic activity and the increase of the electrocatalytic surface area. Graphene materials such as graphene hollow balls have recently been produced for the improvement of the electrocatalytic activity and surface area in electrocatalysis applications [5]. 2-dimensional (2D) materials with a high surface area and high conductivity have attracted much attention in recent years. Zero-Dimensional Graphene Material for the Counter Electrode of Dye-Sensitized Solar Cells
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