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Cover Illustration
2017, Vol.3  No.4
The cover picture shows that the layered structure of transition metal dichalcogenides (TMDs) gives rise to many novel properties for functional applications in a wide range of fields. This review focuses on the current state of the art chemical vapor deposition (CVD) synthesis of TMDs alloys, convenient methods to modulate properties of TMDs by CVD, TMDs-based lateral and vertical heterostructures utilizing CVD methods and the patterned growth of TMDs. More details are discussed in the article by Ge and coworkers on page 182—193.
Online ISSN: 2414-3421
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  • Table of Content
      01 December 2017, Volume 3 Issue 4 Previous Issue    Next Issue
      The Special Issue of "Energy Materials"
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    Contents: Gen. Chem. 4/2017
    General Chemistry. 2017, 3 (4): 170-171.  
    Abstract   PDF (391KB) ( )
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    Tailoring Iron Oxide Nanostructures for High-Capacity Lithium Storage
    Yao Yao, Jiantao Li, Qinyou An, Liqiang Mai, Liang Zhou
    General Chemistry. 2017, 3 (4): 172-181.   DOI: 10.21127/yaoyigc20170017
    Abstract   HTML   PDF (1570KB) ( )

    Iron oxides, such as hematite (α-Fe2O3), maghemite (γ-Fe2O3), and magnetite (Fe3O4), have been considered as alternative anode materials for lithium-ion batteries (LIBs) due to their high theoretical capacity, abundant reserves, low cost, and non-toxicity. However, their practical application has been hampered by the large volume expansion, which leads to rapid capacity fading. Nanostructure engineering has been demonstrated to be an effective avenue in tackling the volume variation issue and boosting the electrochemical performances. Herein, recent advances on nanostructure engineering of iron oxides for lithium storage are summarized. These nanostructures include 0D nanoparticles, 1D nanowires/nanorods/ nanofibers/nanotubes, 2D nanoflakes/nanosheets, as well as 3D porous/hollow/hierarchical architectures. The structure- electrochemical performance correlations are also discussed. It is believed that the performance optimization strategies summarized here might be extended to other high-capacity LIB anode materials.

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    Growth of Transition Metal Dichalcogenides and Directly Modulating Their Properties by Chemical Vapor Deposition
    Lei Tong, Tiande Liu, Renli Liang, Shuai Wang, Jingwen Chen, Jiangnan Dai, Lei Ye
    General Chemistry. 2017, 3 (4): 182-193.   DOI: 10.21127/yaoyigc20170014
    Abstract   HTML   PDF (1664KB) ( )

    The layered structure of transition metal dichalcogenides (TMDs) gives rise to many novel properties for functional applications in a wide range of fields. However, successful synthesis of TMDs and directly modulating properties of TMDs during the growth process are facing great challenges, which limits their future practical applications. In this review, we focus on current state of the art chemical vapor deposition (CVD) synthesis of TMDs alloys, convenient methods to modulate properties of TMDs by CVD. Then, TMDs-based lateral and vertical heterostructures utilizing CVD methods are reviewed. Finally, we summarize patterned growth of TMDs briefly.

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    Progress of Liposomal Nanohybrid Cerasomes as Novel Drug Nanocarriers
    Shihao Li, Jie Jiang, Shanshan Zhu, Yinan Yan, Gang Huang, Dannong He
    General Chemistry. 2017, 3 (4): 194-201.   DOI: 10.21127/yaoyigc20170013
    Abstract   HTML   PDF (1367KB) ( )

    Despite many benefits, liposomes have still not realized their full potential as vehicles for drug delivery due to the morphological instability. Recently, liposomal nanohybrid cerasomes have been developed as novel drug nanocarriers based on organoalkoxysilane through a sol-gel reaction in combination with self-assembly process. The presence of polyorganosiloxane network on the surface imparts cerasomes higher morphological stability than conventional liposomes and the incorporation of liposomal bilayer structure into cerasomes boosts the biocompatibility in comparision with silica nanoparticles with similar size. Moreover, cerasomes are able to encapsulate various drug molecules and exhibit controlled drug release profile. In addition, cerasomes are easy to be conjugated with biomolecules through silane-coupler chemistry due to the silanols on the surface. Therefore, cerasomes are expected to be ideal drug delivery systems owning to the unique advantages. The present paper will briefly introduce the preparation and properties of cerasomes, followed by reviewing the progress of cerasomes for drug delivery.

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    NiCo2S4-Based Materials for Electrochemical Applications
    Ming Sun, Jinjin Tie, Yao Li, Lin Yu
    General Chemistry. 2017, 3 (4): 202-206.   DOI: 10.21127/yaoyigc20170015
    Abstract   HTML   PDF (273KB) ( )

    NiCo2S4 has attracted worldwide attention in the field of energy storage/conversion. In this paper, we summarize the up-to-date progress on the preparation strategies, the applications as electrode materials for supercapacitors, lithium-ion batteries and dye sensitized solar cells, as well as electrocatalysts for the hydrogen evolution reaction, oxygen reduction reaction and oxygen evolution reaction. We also discuss the strategies to improve the electrochemical performance, and future trends of the NiCo2S4-based materials.

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    Advancing Electrolytes Towards Stable Organic Batteries
    Yanliang Liang, Yan Yao
    General Chemistry. 2017, 3 (4): 207-212.   DOI: 10.21127/yaoyigc20170016
    Abstract   HTML   PDF (730KB) ( )

    Organic electrode materials offer virtually infinite resource availability, cost advantages, and some of the highest specific energy for batteries to satisfy the demand for large-scale energy storage. Among the biggest challenges for the practical applications of batteries based on organic electrodes is the dissolution of organic active materials into the electrolyte, which leads to underwhelming cycling stability. This minireview provides an overview of electrolyte advancements to improve the stability of organic batteries. Research efforts on the control of solvent polarity, electrolyte mobility, and exploration of novel electrolyte systems are highlighted.

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