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Co摻雜ZnAl2O4納米顆粒的制備與光學(xué)性質(zhì)研究
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蘭州理工大學(xué)省部共建有色金屬先進加工與再利用國家重點實驗室,蘭州理工大學(xué)省部共建有色金屬先進加工與再利用國家重點實驗室,蘭州理工大學(xué)省部共建有色金屬先進加工與再利用國家重點實驗室,蘭州理工大學(xué)理學(xué)院,蘭州理工大學(xué)省部共建有色金屬先進加工與再利用國家重點實驗室,蘭州理工大學(xué)省部共建有色金屬先進加工與再利用國家重點實驗室,蘭州理工大學(xué)理學(xué)院

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O472+.3, O472+.5

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國家自然科學(xué)基金資助項目 (51261015)；甘肅省自然科學(xué)基金資助項目(1308RJZA238)


Preparation and optical properties of Co doped ZnAl2O4 nanoparticles
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State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals,Lanzhou University of Technology,State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals,Lanzhou University of Technology,State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals,Lanzhou University of Technology,,State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals,Lanzhou University of Technology,State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals,Lanzhou University of Technology,

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    摘要:

    以CTAB為表面活性劑，采用水熱法成功制備了不同摻雜比例的Zn1-xCoxAl2O4（x=0，0.20，0.40和0.60）納米晶。并對樣品的晶體結(jié)構(gòu)、形貌、化學(xué)成分、價態(tài)和光學(xué)性能進行表征。實驗結(jié)果表明，本方法所制備的不同摻雜濃度的Zn1-xCoxAl2O4納米顆粒為尖晶石結(jié)構(gòu)，晶化程度良好。根據(jù)XRD數(shù)據(jù)計算了晶胞參數(shù)a、晶格間距dhkl、晶粒尺寸D，隨著摻雜Co離子濃度的增加，均表現(xiàn)為減小趨勢。XPS能譜顯示大多數(shù)Co離子占據(jù)四面體中心位置，但有少量的Co離子占據(jù)八面體中心位置。隨著摻雜Co離子濃度的增加，紫外吸收光的強度逐漸增加。

    Abstract:

    Zn1-xCoxAl2O4 (x=0, 0.20, 0.40 and 0.60) nanocrystals were successfully prepared via hydrothermal method using CTAB as surface active agent. The crystal structure, morphology, chemical composition, valence state and optical properties of the sample were investigated. The experimental results show that the samples are single phase spinel structure with good crystallization. According to the XRD data, the value of the crystal cell parameters, lattice spacing dhkl and grain size D were calculated, which show the decrease trend with the increase of doping concentration of Co ions. The XPS result clearly shows that the Co ions mainly occupied the tetrahedral site and a small amount of Co ions occupied octahedral center position. With the increasing of Co ions concentration, the ultraviolet absorption intensity is gradually increased.

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武曉娟,魏智強,陳秀娟,馮旺軍,楊 華,姜金龍,元麗華. Co摻雜ZnAl2O4納米顆粒的制備與光學(xué)性質(zhì)研究[J].稀有金屬材料與工程,2018,47(4):1302~1307.[Wu Xiao-juan, WEI Zhi-qiang, Chen Xiu-juan, Feng Wang-jun, Yang Hua, Jiang Jin-long, Yuan Li-hua. Preparation and optical properties of Co doped ZnAl2O4 nanoparticles[J]. Rare Metal Materials and Engineering,2018,47(4):1302~1307.]
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  • 收稿日期:2016-03-25
  • 最后修改日期:2016-06-20
  • 錄用日期:2016-10-18
  • 在線發(fā)布日期: 2018-05-31
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