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wolfmanhd

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[交流] 【分享】大家帮忙看一下这个Ni的峰归属于NiO还是Ni2O3已有6人参与

我是往催化剂中掺杂Ni的,原料是Ni(NO3)2.6H2O,400度空气中处理3h,xps结果如下图:看看文献有的说是NiO,有的说是Ni2O3,我倾向于是Ni2O3,请大家给点意见。
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ratio

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liconglin970410(金币+1):多谢交流,欢迎常来 2010-06-13 16:27:09
个人认为是2价Ni
其实XPS峰位置与电子环境有很大的关系,3价Ni一般会与2价Ni共存,会表现为两个峰(854-856之间)
2楼2010-06-13 16:20:03
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wolfmanhd

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ratio说说你认为2价的理由,其实我也觉得应该生成2价的Ni,可是和NiO的峰对了一下对不上,2价Ni的2p3/2好像在853.3,而且2p3/2和2p1/2的间距在18.4,一点都对不上,所以让我不得不怀疑是+3价Ni了。
3楼2010-06-13 16:38:43
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zyhou

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liconglin970410(金币+1):多谢指点,欢迎常来 2010-06-17 16:32:43
应该是氧化镍!我做过!文献中有参考文献和数据库的地址!
Applied Catalysis A: General, 253(2) (2003-10-28) 381-387.
4楼2010-06-13 20:16:50
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zyhou

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小木虫(金币+0.5):给个红包,谢谢回帖交流
引用回帖:
Originally posted by wolfmanhd at 2010-06-13 16:38:43:
ratio说说你认为2价的理由,其实我也觉得应该生成2价的Ni,可是和NiO的峰对了一下对不上,2价Ni的2p3/2好像在853.3,而且2p3/2和2p1/2的间距在18.4,一点都对不上,所以让我不得不怀疑是+3价Ni了。

2p3/2和2p1/2的间距会随着周围的环境发生变化的。
5楼2010-06-13 20:21:14
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aust_jhe

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General:  
Element:  Ni  
Formula:  NiO  
XPS Formula:  Ni*O  
Name:  nickel(II) oxide  
CAS Registry No:  1313-99-1  
Classes:  oxide, solid solution  
Citation:  
Author Name(s):  Khawaja E.E., Salim M.A., Khan M.A., Al-Adel F.F., Khattak G.D., and Hussain Z.  
Journal:  J. Non-cryst. Solids 110, 33 (1989)  
Data Processing:  
Data Type:  Photoelectron Line  
Line Designation:  2p1/2  
Quality of Data:  Adequate  
Binding Energy (eV)  871.8  
Energy Uncertainty:   
Background Subtraction Method:  other  
Peak Location Method:  data  
Full Width at Half-maximum Intensity (eV):   
Gaussian Width (eV):   
Lorentzian Width (eV):   
Measurement Information:  
Use of X-ray Monochromator:  No  
Excitation Energy:  Al, Mg  
X-ray Energy:   
Overal Energy Resolution (eV):   
Calibration:  Au,Cu = 84.00,932.67  
Charge Reference:  Adventitious carbon  
Energy Scale Evalution:  Reliable, with one-point correction of energy scale  
Specimen Information:  
Specimen:  amorphous, powder (when a special point is made in the article)  
Method of Determining Specimen Composition:   
Method of Determining Specimen Crystallinity:   
Specimen Temperature (K):  300  
Sample Quality:  Adequate  

Element:  Ni  
Formula:  NiO  
XPS Formula:  Ni*O  
Name:  nickel(II) oxide  
CAS Registry No:  1313-99-1  
Classes:  oxide, solid solution  
Citation:  
Author Name(s):  McIntyre N.S., Chan T.C., Chen C.  
Journal:  Oxidation of Metals 33, 457 (1990)  
Data Processing:  
Data Type:  Photoelectron Line  
Line Designation:  2p3/2  
Quality of Data:  Adequate  
Binding Energy (eV)  854.2  
Energy Uncertainty:  0.2  
Background Subtraction Method:   
Peak Location Method:  data  
Full Width at Half-maximum Intensity (eV):   
Gaussian Width (eV):   
Lorentzian Width (eV):   
Measurement Information:  
Use of X-ray Monochromator:  No  
Excitation Energy:  Al  
X-ray Energy:   
Overal Energy Resolution (eV):   
Calibration:  Au = 84.00, Cr2p3 = 574.35  
Charge Reference:  Conductor  
Energy Scale Evalution:  Reliable, with two-point correction of energy scale  
Specimen Information:  
Specimen:  metal foil, oxygen pressure, oxidizing atmosphere  
Method of Determining Specimen Composition:  X-ray Photoelectron Spectroscopy  
Method of Determining Specimen Crystallinity:   
Specimen Temperature (K):  300  
Sample Quality:  Good  

General:  
Element:  Ni  
Formula:  Ni2O3  
XPS Formula:  Ni3+ oxide state  
Name:  nickel(III) trioxide  
CAS Registry No:  1314063  
Classes:  oxide  
Citation:  
Author Name(s):  Kishi K.  
Journal:  J. Electron Spectrosc. Relat. Phenom. 46, 237 (1988)  
Data Processing:  
Data Type:  Photoelectron Line  
Line Designation:  2p3/2  
Quality of Data:  Adequate  
Binding Energy (eV)  856.0  
Energy Uncertainty:   
Background Subtraction Method:   
Peak Location Method:  data  
Full Width at Half-maximum Intensity (eV):   
Gaussian Width (eV):   
Lorentzian Width (eV):   
Measurement Information:  
Use of X-ray Monochromator:  No  
Excitation Energy:  Al  
X-ray Energy:   
Overal Energy Resolution (eV):   
Calibration:  Ni2p3=852.73  
Charge Reference:  Conductor  
Energy Scale Evalution:  Reliable, with one-point correction of energy scale  
Specimen Information:  
Specimen:  oxygen pressure, oxidizing atmosphere, thin layer  
Method of Determining Specimen Composition:   
Method of Determining Specimen Crystallinity:   
Specimen Temperature (K):  300  
Sample Quality:  Good
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6楼2010-06-14 00:00:35
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奋斗晶晶

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引用回帖:
6楼: Originally posted by aust_jhe at 2010-06-14 00:00:35
General:  
Element:  Ni  
Formula:  NiO  
XPS Formula:  Ni*O  
Name:  nickel(II) oxide  
CAS Registry No:  1313-99-1  
Classes:  oxide, solid solution  
Citation:  
Author Name(s):  Khawaja E ...

请问一下你这些信息从哪得到的?
7楼2013-11-07 19:07:49
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lipen

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小木虫: 金币+0.5, 给个红包,谢谢回帖
XPS的数据库在哪里有?谢谢!
8楼2015-07-21 17:54:32
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