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【调剂】北京石油化工学院2024年16个专业接受调剂
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Owena

新虫 (小有名气)

[求助] XPS测试 样品不导电的话要怎么处理啊

我的样品是氧化物粉末,之前审稿人要求补测XPS,修回之后审稿人又指出C1s 校正是不准确的。想问下大家平时是怎么测XPS的 怎么处理数据的。
审稿意见如下:1. XPS experimental details are not complete. What was the excitation source, electron emission angle, the size of analyzed area? Where samples sputter-etched prior to analyses? If so, what was the Ar+ energy and incidence angle? What was the base pressure during analyses? Was charge neutralizer used? All of these aspects are crucial for the correct interpretation of experimental results.

2. "The adventitious C1s peak at 284.8 eV was used to charging correction." Note that aligning the spectra to the C 1s peak of adventitious carbon is a highly risky procedure and was recently shown to lead to unphysical results (ChemPhysChem 18 (2017) 1507 and Angewandte Chemie Int. Ed. 59 (2020) 5002). Therefore, I strongly suggest to avoid it. Adventitious carbon is in general an unknown compound, not an inherent part of the sample, does not make proper electrical contact to the analyzed sample, BE of the C 1s peak varies in a wide range.
Alternatives:
-        Measure density of states close to the Fermi level and use the Fermi edge as the energy reference ("0 eV" of the binding energy scale)
-        Work function method (see: Appl. Surf. Sci. 451 (2018) 99)
-        Use well-defined peaks from the sample itself (instead of C 1s peak from the contaminating carbon layer).

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检测外包服务

新虫 (小有名气)

您好,您的XPS我可以测哦,有需要加微信咨询了解19129325410

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2楼2021-03-02 21:08:52
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Owena

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3楼2021-03-05 21:03:19
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生仰止仁

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楼主投的vacuum吧,最后是怎么解决的呀?

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4楼2022-01-01 01:16:40
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材料学院v

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XPS辅助检测实验室,有外送检测的,联系我  
maide9298

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5楼2022-01-01 11:30:44
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Owena

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引用回帖:
4楼: Originally posted by 生仰止仁 at 2022-01-01 01:16:40
楼主投的vacuum吧,最后是怎么解决的呀?

因为我的样品不导电,就按他说的Use well-defined peaks from the sample itself (instead of C 1s peak from the contaminating carbon layer).

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6楼2022-02-20 15:16:28
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ZXD1158

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引用回帖:
6楼: Originally posted by Owena at 2022-02-20 15:16:28
因为我的样品不导电,就按他说的Use well-defined peaks from the sample itself (instead of C 1s peak from the contaminating carbon layer).
...

最后接受了吗
7楼2022-10-08 22:01:34
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missingsky

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引用回帖:
4楼: Originally posted by 生仰止仁 at 2022-01-01 01:16:40
楼主投的vacuum吧,最后是怎么解决的呀?

请问这个问题怎么解决啊,投Vaccum,同样遇到了说XPS校准的问题,建议我用费米边,这个怎么做啊
8楼2022-10-23 20:40:52
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小研同学shjd

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本帖内容被屏蔽

9楼2022-10-30 11:16:11
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