最新色国产精品精品视频,中文字幕日韩一区二区不卡,亚洲有码转帖,夜夜躁日日躁狠狠久久av,中国凸偷窥xxxx自由视频

+高級檢索
插層還原法制備納米鈀/石墨烯復(fù)合材料的研究
DOI:
作者:
作者單位:

作者簡介:

通訊作者:

中圖分類號:

基金項(xiàng)目:

湖南省自然科學(xué)基金 (12JJ3051)；國家自然科學(xué)基金（21376069）


Preparation of Graphene/Pd Nanosized Particle Composites by an Intercalation Reduction Method
Author:
Affiliation:

Fund Project:

  • 摘要
    • |
  • 圖/表
    • |
  • 訪問統(tǒng)計(jì)
    • |
  • 參考文獻(xiàn)
    • |
  • 相似文獻(xiàn)
    • |
  • 引證文獻(xiàn)
    • |
  • 資源附件
    • |
  • 文章評論
    摘要:

    以氧化石墨和氯化雙乙二胺鈀Pd(en)2Cl2 為前驅(qū)體，將金屬鈀前驅(qū)體與氧化石墨發(fā)生插層反應(yīng)，再將插層了Pd(en)22+的氧化石墨在溶液中用NaBH4還原，制備出納米鈀/石墨烯復(fù)合材料。采用X射線衍射(XRD)、場掃描電子顯微鏡(FE-SEM)、透射電子顯微鏡(TEM)、電感耦合等離子體發(fā)射光譜(ICP)、低溫氮?dú)馕降仁侄螌?fù)合材料進(jìn)行表征并對復(fù)合材料進(jìn)行了儲氫性能的測試。研究結(jié)果表明：復(fù)合材料具有規(guī)則的中孔結(jié)構(gòu)，直徑為2~6 nm鈀的納米粒子彌散地分布在石墨烯的層間，起著支撐作用，阻止石墨烯片層的重新聚集；復(fù)合材料具有較高的BET比表面積，在77 K及0.11 MPa條件下其儲氫量達(dá)到了3.4%（質(zhì)量分?jǐn)?shù)）。

    Abstract:

    Using Pd(en)2Cl2 as the Pd precursor and graphite oxide as the carbon precursor, the Pd(en)22+ intercalated graphite oxide was synthesized, then it was reduced in solution with NaBH4 and the graphene/Pd nanosized particle composites were obtained. The final graphene composites were characterized by XRD, FE-SEM, TEM, ICP and N2 adsorption test and their H2 storage property was also measured. The results show that the composites have a regular mesoporous structure, and Pd particles with a diameter of 2~6 nm are evenly dispersed between graphene sheets and pillar the graphene sheets to inhibit the accumulation of grapheme sheets. The composites have a high BET surface area and their H2 storage reaches 3.4 wt% at 77 K and 0.11 MPa.

    參考文獻(xiàn)
    相似文獻(xiàn)
    引證文獻(xiàn)
引用本文

胡忠良,陳藝鋒,陳 晗,李 娜,張 偉,龔文強(qiáng).插層還原法制備納米鈀/石墨烯復(fù)合材料的研究[J].稀有金屬材料與工程,2014,43(6):1462~1466.[Hu Zhongliang, Chen Yifeng, Chen Han, Li Na, Zhang Wei, Gong Wenqiang. Preparation of Graphene/Pd Nanosized Particle Composites by an Intercalation Reduction Method[J]. Rare Metal Materials and Engineering,2014,43(6):1462~1466.]
DOI：[doi]

復(fù)制
文章指標(biāo)
  • 點(diǎn)擊次數(shù):
  • 下載次數(shù):
  • HTML閱讀次數(shù):
  • 引用次數(shù):
歷史
  • 收稿日期:2013-06-25
  • 最后修改日期:
  • 錄用日期:
  • 在線發(fā)布日期: 2014-11-13
  • 出版日期: