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wanxiaoli

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[ÇóÖú] ¹ØÓÚXPSͼµÄÎÊÌâ

Ͷ¸å·µÐÞ£¬Éó¸åÈË˵: XPS experimental details are not correct. XPS spectra shown in the manuscript are not acquired with Mg Ka X-ray source. The instrument name sounds strange. The intensities of the C1s and O1s peak in survey spectrum (Fig 2a) do not correspond to the «trace amount» of carbon and oxygen. Such intensities would give more than 10 at.% of those elements on the surface. Hydrocarbons do not contain oxygen, so their adsorption on the surface can not explain the presence of O1s peak in the survey spectrum. It looks like the Ag3d spectrum deconvolution into components (Fig 2c) is not correct at all. If we sum Ag+ and Ag0 components the resulting curve will not fit experimental spectrum. This experimental spectrum consists of two symmetrical lines (Ag3d5/2 and Ag3d3/2), which would be easily fitted only with one component for each line. For example Ag+ component provides a good fit for Ag3d5/2 line in the spectrum except that we should increase Lorentzian and decrease Gaussian profile contribution to the component. As a result the Ag3d spectrum does not confirm the presence of two chemical states of Ag atoms on the surface of studied sample.
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2Â¥2014-04-06 06:07:54
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bpguxin

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wanxiaoli: ½ð±Ò+3, ¡ïÓаïÖú 2014-04-06 20:44:19
ÕâλÉó¸åÈËÓ¦¸Ã¶ÔXPSºÜÊìϤ£¬Ö÷ÒªÖÊÒÉÁËÁ½µã¡£1£©´ÓsurveyÉÏ¿´£¬Óк¬Á¿²»µÍµÄCºÍO£¨²»ÄÜÈÏΪÊÇ"trace amount"£©£¬ÐèÒª½âÊÍÀ´Ô´¡£2)¶ÔAg curve fittingµÄ½âÊÍ¿ÉÄÜÓÐÎó¡£Éó¸åÈËÈÏΪ£¬¶ÔÓÚFig 2cÀïÃæµÄAg3dÊÇÎÞ·¨½øÐÐcurve fittingµÄ¡£ÎÒ¸öÈ˾õµÃÉó¸åÈË˵µÃÓеÀÀí£¬Ag+ºÍAg0µÄBVÖµÏà²î̫С£¬XPSÊÇÎÞ·¨·Ö±æAgµÄÕâÁ½ÖÖ¼Û̬µÄ¡£Èç¹ûÂ¥Ö÷ÄÜÌṩÆäËûµÄÖ¤¾Ý£¬Ò²ÐíÄܹ»Ëµ·þÉó¸åÈË¡£
3Â¥2014-04-06 07:26:41
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wanxiaoli

ľ³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by bpguxin at 2014-04-06 07:26:41
ÕâλÉó¸åÈËÓ¦¸Ã¶ÔXPSºÜÊìϤ£¬Ö÷ÒªÖÊÒÉÁËÁ½µã¡£1£©´ÓsurveyÉÏ¿´£¬Óк¬Á¿²»µÍµÄCºÍO£¨²»ÄÜÈÏΪÊÇ"trace amount"£©£¬ÐèÒª½âÊÍÀ´Ô´¡£2)¶ÔAg curve fittingµÄ½âÊÍ¿ÉÄÜÓÐÎó¡£Éó¸åÈËÈÏΪ£¬¶ÔÓÚFig 2cÀïÃæµÄAg3dÊÇ ...

¿ÉÊÇÎÄÏ×ÖÐÒ»¼ÛÒøºÍÁã¼ÛÒøµÄXPS·å¶¼ÊÇÕâÑù·ÖµÄ°¡£¿Ôõô¾Í²»¶ÔÁËÄØ£¿
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4Â¥2014-04-07 20:41:16
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dwysd

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wanxiaoli: ½ð±Ò+8, ¡ï¡ï¡ïºÜÓаïÖú 2014-04-14 10:05:08
wanxiaoli: ½ð±Ò+9, ¡ï¡ï¡ïºÜÓаïÖú, ллÄúÄÍÐĵĽâ´ðÎÊÌâ 2014-04-16 09:46:31
Ͷ¸å·µÐÞ£¬Éó¸åÈË˵:
XPS experimental details are not correct.
XPS spectra shown in the manuscript are not acquired with Mg Ka X-ray source(´ÓÈ«Æ×ÉÏ¿ÉÒÔ·Ö±æ³öÊDz»ÊÇMg KaÔ´£¬µ«ÊÇÄãûÓиø³ö800eVÒÔºóµÄÇúÏߣ¬ËùÒÔÎÒ¿´²»³öÀ´ÊDz»ÊÇMgKaÔ´£¬Äã×Ô¼ºÈ·ÈÏһϰɡ£Èç¹û¸ø³ö0-1300eVµÄÈ«Æ×£¬¿ÉÇáÒ×ÅжϳöÊÇʲôԴ).
The instrument name sounds strange(XPS²âÊÔÉ豸¾ÍÄÇô¼¸ÖÖ£¬ÄãÊDz»ÊǰÑÉ豸Ãû×Öд´íÁË£¿).
The intensities of the C1s and O1s peak in survey spectrum (Fig 2a) do not correspond to the ¬H e㸒“ÅÊ amount of carbon and oxygen. Such intensities would give more than 10 at.% of those elements on the surface. Hydrocarbons do not contain oxygen, so their adsorption on the surface can not explain the presence of O1s peak in the survey spectrum. (C ¡¢Oº¬Á¿Ì«¸ß£¬²»ÊÇÄãËù˵µÄ¡°Î¢Á¿µÄC¡¢O¡±£¬Èç¹ûÊÇC¡¢H»¯ºÏÎÄÇô¾Í²»Ó¦¸ÃÓÐÕâô¶àO£¬ËùÒÔOµÄÀ´Ô´Äãû˵Çå³þ¡£¸ÉÂïҪ˵¡°Î¢Á¿µÄC¡¢O¡±£¬¸ø×Ô¼ºÕÒÂé·³£¬Èç¹ûÑùÆ·±©Â¶¹ý´óÆøÏ£¬Ò»°ã¶¼ËµÊDZíÃæÔÚ´óÆøÖÐÎü¸½µÄÓлúÎÛȾÎ»òÊÇÔÚXPS²âÊÔϵͳÖÐÎü¸½µÄÓлúÎÛȾÎÕâÑùC¡¢O¾Í¶¼½âÊÍÁË¡£ÁíÍ⣬Óöµ½ÕâÖÖÇé¿ö£¬Ó¦¸ÃÓÃXPSϵͳ×Ô´øµÄArÀë×Óǹ¶ÔÑùÆ·±íÃæ½øÐÐÊʵ±¿ÌÊ´£¬È¥³ý±íÃæÓлúÎÛȾ¡£)
It looks like the Ag3d spectrum deconvolution into components (Fig 2c) is not correct at all. If we sum Ag+ and Ag0 components the resulting curve will not fit experimental spectrum. This experimental spectrum consists of two symmetrical lines (Ag3d5/2 and Ag3d3/2), which would be easily fitted only with one component for each line. For example Ag+ component provides a good fit for Ag3d5/2 line in the spectrum except that we should increase Lorentzian and decrease Gaussian profile contribution to the component. As a result the Ag3d spectrum does not confirm the presence of two chemical states of Ag atoms on the surface of studied sample.(ÎÒÀí½âÉó¸åÈ˵ÄÒâ˼¾ÍÊÇ˵2¸öAg3d·å£¬Æä±¾Éí¶Ô³ÆÐԾͺܺã¬Ó¦¸ÃÖ»ÓÐÒ»ÖÖ»¯Ñ§Ì¬£¬²»Ó÷ַåµÄ¡£²¢ÇÒ£¬Äã·Ö·åÒÔºóºÍÆäËûÊý¾ÝÊÇ·ñÄܶÔÓ¦ÉÏ£¿ÀýÈçÄãÊÇÒª×öAgI£¿ÄÇôAgºÍIµÄÔ­×Ó±ÈÊǶàÉÙ£¿IµÄ»¯Ñ§Ì¬ÊÇʲôÑù£¿Ag·Ö·åÓë·ñÊÇ·ñ»áÓ°ÏìAgºÍIµÄ»¯Ñ§Åä±È¡£Èç¹ûÓÐO£¬ÊÇ·ñÓÐAgO£¬µÈµÈ¡£ÎÒÒ²ÕâÑùÈÏΪ£¬¶Ô³ÆÐԽϸߣ¬°ë¸ß¿í½ÏС£¬ÄÇô¾ÍÖ»ÓÐ1ÖÖ»¯Ñ§Ì¬¡£)
5Â¥2014-04-13 22:11:00
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dwysd

ľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by wanxiaoli at 2014-04-07 20:41:16
¿ÉÊÇÎÄÏ×ÖÐÒ»¼ÛÒøºÍÁã¼ÛÒøµÄXPS·å¶¼ÊÇÕâÑù·ÖµÄ°¡£¿Ôõô¾Í²»¶ÔÁËÄØ£¿...

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dwysd

ľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by bpguxin at 2014-04-06 07:26:41
ÕâλÉó¸åÈËÓ¦¸Ã¶ÔXPSºÜÊìϤ£¬Ö÷ÒªÖÊÒÉÁËÁ½µã¡£1£©´ÓsurveyÉÏ¿´£¬Óк¬Á¿²»µÍµÄCºÍO£¨²»ÄÜÈÏΪÊÇ"trace amount"£©£¬ÐèÒª½âÊÍÀ´Ô´¡£2)¶ÔAg curve fittingµÄ½âÊÍ¿ÉÄÜÓÐÎó¡£Éó¸åÈËÈÏΪ£¬¶ÔÓÚFig 2cÀïÃæµÄAg3dÊÇ ...

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7Â¥2014-04-13 22:17:53
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wanxiaoli

ľ³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
6Â¥: Originally posted by dwysd at 2014-04-13 22:16:26
ÎÄÏ×ÖÐÓе¥ÖʺÍ1¼ÛµÄ£¬ÄãÄÜÖ¤Ã÷ÄãµÄÑùÆ·Ò²Óе¥ÖʺÍ1¼ÛµÄô£¿Èç¹û²»ÄÜ£¬¾Í²»ÒªÇ¿Ðзַ塣...

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8Â¥2014-04-14 10:07:38
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wanxiaoli

ľ³æ (СÓÐÃûÆø)

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7Â¥: Originally posted by dwysd at 2014-04-13 22:17:53
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9Â¥2014-04-14 10:35:37
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dwysd

ľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
9Â¥: Originally posted by wanxiaoli at 2014-04-14 10:35:37
XPS²âÊÔÖÐpeak table ÖÐÏÔʾAg3dºÍI3dµÄÏà¶Ôº¬Á¿·Ö±ðΪ58.24%41.76%£¬ÄÇôAg3d±ÈI3d¶àµÄÁ¿²»¾ÍÊǵ¥ÖÊÒøµÄº¬Á¿Â𣿲»ÖªµÀ¶Ô²»£¿ÇëÎÊÒ»°ãXPSÖÐÔªËØº¬Á¿ÊÇͨ¹ýʲô·½·¨¼ÆËãµÄÄØ£¿·Ç³£¸Ðл¡£...

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