Solar light assisted green synthesis of palladium nanoparticle decorated nitrogen doped graphene for hydrogen storage application

文献情報

出版日 2013-07-12

DOI 10.1039/C3TA12016C

インパクトファクター 12.732

著者

B. P. Vinayan, Rupali Nagar, S. Ramaprabhu

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要旨

Recent research developments reveal that nanomaterials, especially carbon nanomaterials, can play a significant role in the performance enhancement of energy conversion and storage devices. The synthesis procedure of nanomaterials, however, remains one of the governing factors for their wide scale implementation. In this paper, an in situ synthesis method to prepare palladium nanoparticle decorated nitrogen doped graphene sheets (Pd/N-SG) using focused solar radiation is developed. The present synthesis technique combines three processes simultaneously, namely (a) graphene sheet formation, (b) nitrogen doping of graphene sheets and (c) metal precursor reduction to metal nanoparticles, in one step through a green approach. The hydrogen storage properties of the Pd/N-SG sample are investigated using high pressure Sievert’s apparatus and the sample exhibits an excellent hydrogen storage capacity of 4.3 wt% at room temperature (25 °C and 4 MPa hydrogen pressure). The method developed for the synthesis is environmentally benign, easy to adopt and economical. Also, the proposed one-step synthesis method can be easily scaled up to large quantities and this opens a new pathway for the synthesis of nanomaterials for use in the renewable energy field.

掲載誌

Journal of Materials Chemistry A

CiteScore: 19.5

自己引用率: 4.7%

年間論文数: 2211

Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment

Solar light assisted green synthesis of palladium nanoparticle decorated nitrogen doped graphene for hydrogen storage application

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