㊀ὐ↥ᬺ೑↪⺖㗴ႎ๔ᦠ⺖㗴⇟ภታᣉ⺖㗴ฬታᣉᯏ㑐෸߮⽿છ⠪૶↪ࡆ࡯ࡓ࡜ࠗࡦ౒หታ㛎⠪㧦 2007A01920
㧦 ࠪ࡝ࠦ࡯ࡦᎿᬺߦ↪޿ࠆ⊕㊄⸅ᇦߩ᭴ㅧ⸃ᨆ㧦 ା⿧ൻቇᎿᬺࢃ  ࿖⼱⼑ᴦ㧦 BL01B1
㧦 ା⿧ൻቇᎿᬺࢃ  ’ ᐽਯታ㛎⚿ᨐ㧦એਅ
1. ⢛᥊ߣ⋡⊛ࠪ࡝ࠦ࡯ࡦ↥ᬺߢߪ․ᓽࠍᜬߟࠪ࡝ࠦ࡯ࡦࠍ⵾ㅧߔࠆߚ߼ߦ㧘৻⥸⊛ߦ Si-H ၮߣਇ㘻๺ၮߩઃട෻ᔕߢ޽ࠆࡂࠗ࠼ࡠࠨࠗ࡟࡯࡚ࠪࡦߣ๭߱෻ᔕࠍ↪޿ߡ޿ࠆ‫ߩߎޕ‬෻ᔕߪࠪ࡝ࠦ࡯ࡦ߇ࠧࡓᒢᕈࠍ⊒⃻ߔࠆߚ߼ߦ߽↪޿ߡ޿ࠆ‫ߩߎߢࠈߎߣޕ‬෻ᔕߦߪ⸅ᇦ߇ਇนᰳߢ޽ࠆ‫ߦ⥸৻ޕ‬㧘⸅ᇦߣߒߡ↪޿ࠆ⊕㊄ൻว‛ߪᓸ㊂ߢ޽ࠆ߇㧘⊕㊄ߘߩ߽ߩ߇㜞ଔߢ޽ࠆߎߣ߿วᚑߒߚ⊕㊄⸅ᇦߩᵴᕈᐲ߇ᔅߕߒ߽৻ቯߢߪߥ޿ߥߤߩ⺖㗴߇޽ࠆ‫ޕ‬ᓥߞߡ㧘ᵴᕈ߇㜞ߊ߆ߟ቟ቯߥ⊕㊄⸅ᇦࠍ⸳⸘
ߢ߈ࠇ߫㧘ࠦࠬ࠻ᡷༀ߫߆ࠅߢߥߊዋߥ޿⊕㊄⾗Ḯࠍ᦭ലߦ೑↪ߢ߈ࠆߩߢߘߩലᨐߪᄢ߈޿‫ޕ‬ߎࠇࠄߩ⢛᥊߆ࠄ㧘ࡂࠗ࠼ࡠࠨࠗ࡟࡯࡚ࠪࡦߦ↪޿ߡ޿ࠆ⊕㊄ߩᵴᕈᐲߣ᭴ㅧߩ㑐ㅪ߇᣿ࠄ߆
ߦߢ߈ࠇ߫㧘ᦨㆡߥ⊕㊄⸅ᇦߩ⸳⸘ࠍⴕ߁ߚ߼ߩၮ␆࠺࡯࠲ߣߒߡᵴ↪ߢ߈ࠆߢ޽ࠈ߁‫ᧄޕ‬ታ㛎ߩ⋡⊛ߪ㧘ࡂࠗ࠼ࡠࠨࠗ࡟࡯࡚ࠪࡦߦ↪޿ࠆߎߣࠍ⋡⊛ߦวᚑߒߚᐞߟ߆ߩ⊕㊄⸅ᇦߩ᭴ㅧࠍ᣿
ࠄ߆ߦߔࠆߚ߼㧘XAFS ᷹ቯߦࠃࠅ⊕㊄ߩଔᢙ߿㓞ធේሶߣߩ㑐ㅪߥߤߩၮ␆࠺࡯࠲ࠍ෼㓸ߔࠆߎߣߢ޽ࠆ‫ޕ‬
2. ⹜ᢱ෸᷹߮ቯ෸߮࠺࡯࠲ಣℂᣇᴺ
ଔᢙ߇ 0 ߩᮡḰߦߪ⊕㊄ࡈࠜࠗ࡞෸߮⊕㊄ࡉ࡜࠶ࠢࠍ㧘ଔᢙ߇ 2 ߩᮡḰߦߪ PtCl2 ߣ Pt II ߩࠕ࠮࠴࡞ࠕ࠮࠻ࡦ㍲૕ࠍ㧘ଔᢙ߇ 4 ߩᮡḰߦߪ PtO2 ߣ H2PtCl6࡮6H2O ࠍߘࠇߙࠇ↪޿ߚ‫ޕ‬H2PtCl6࡮
6H2O ߪ⊕㊄Ớᐲ߇ 2wt%ߣߥࠆࠃ߁ߦ᳓ߦṁ⸃ߒߚ‫⊕ߩઁޕ‬㊄ൻว‛ߪᓸ☳ᧃࠍ⓸ൻࡎ࠙⚛ BN:
Boron Nitride ߦᷙวߒߡ⭯᧼ߦᚑဳߒߚ‫ߩࠄࠇߎޕ‬ᮡḰ⹜ᢱߪ޿ߕࠇ߽ Q-XAFS ᴺࠍ↪޿ߚㅘㆊᴺߢ᷹ቯߒߚ‫ޕ‬ታ⹜ᢱߩ⊕㊄ൻว‛ߪ޿ߕࠇ߽㜞⚖ࠕ࡞ࠦ࡯࡞߿᦭ᯏࠤࠗ⚛ߦṁ⸃ߒߚ߽ߩߢ㧘⊕㊄Ớᐲ߇ಠߘ 0.3wt%એ਄ߩ♽ߪㅘㆊᴺߢ㧘ߘࠇએਅߩỚᐲߩ♽ߪⰯశᴺߢ᷹ቯߒߚ‫ޕ‬⊕㊄⸅ᇦ⹜ᢱߩ᭎⇛ࠍ Table 1 ߦ␜ߒߚ‫⊕ޕ‬㊄⸅ᇦߪ Pt-7 ࠍṁᶧߣߒߡ Aldrich ߆ࠄ⾼౉ߒߚએᄖߪ㧘⥄␠ߢวᚑߒߚ‫੹ޕ‬࿁⺞ߴߚ⊕㊄⸅ᇦߪ㧘ၮᧄ⊛ߦ㧘Pt-Cl ㈩૏♽㧔Pt-1, Pt-2㧕ߣ Pt-ࡆ࠾࡞ၮ㈩૏♽㧔Pt-3, Pt-7㧕㧘ߩ 2 ♽⛔ߦಽ߆ࠇࠆ㧔ࡑ࠻࡝ࠢࠬߪ Pt ߩ㈩૏ሶ߽౗ߨߡ޿ࠆ㧕‫ޕ‬Pt-4 ߪ Pt-3
ࠍ Pt ߇ 1wt%ߣߥࠆࠃ߁ߦࡆ࠾࡞ࠪࡠࠠࠨࡦ㧔VS㧕㧘VS1 ߢᏗ㉼ߒߡ㧘90͠ߢടᾲಣℂߒߚ߽ߩߢ޽ࠆ‫ޕ‬ടᾲಣℂᓟ㧘⚻ᤨߢ㤥⦡ᴉ㒠‛ࠍ↢ߓࠆߎߣ߇ಽ߆ߞߡ޿ࠆ‫ޕ‬Pt-5 ߣ Pt-6 ߪ㧘Pt-2 ߣ Pt-3
ࠍ⋥㎮⁁ VS㧔VS2㧕ߢߘࠇߙࠇᏗ㉼ߒߚ߽ߩߢ޽ࠆ‫ޕ‬Table 1 ߦ␜ߒߚଔᢙߪߘࠇߙࠇߩ⸅ᇦߩൻቇ෻ᔕᕈ╬߆ࠄផቯߒߚ Pt ߩଔᢙߢ޽ࠆ[1]‫⸃࠲࡯࠺ޕ‬ᨆߦߪ㧘Athena ෸߮ Artemis ࡊࡠࠣ࡜ࡓ[2]ࠍ↪޿ߚ‫ޕ‬⹜ᢱฬPt-1
Cl/Pt㧔ࡕ࡞Ყ㧕~4Pt ߩផቯଔᢙIVPt Ớᐲ(wt%)
2ࡑ࠻࡝ࠢࠬbutanolᵈ)

Pt-2
~4IV
2
octanol

Table 1 Pt ⸅ᇦ⹜ᢱߩ᭎⇛Pt-3
Pt-4
Pt-5
00~400IV20?
0.01-1VS1VS1octanol/VS2

Pt-6
000.01-3
VS1/VS2

Pt-7
005VS3Pt-4: Pt-3 ࠍ Pt ߇ 1wt%ߣߥࠆࠃ߁ߦ VS1 ߢᏗ㉼ߒߡ㧘90͠ߢടᾲಣℂ‫ޕ‬
Pt-5: Pt-2 ࠍ VS2 ߢᏗ㉼‫ޕ‬
Pt-6: Pt-3 ࠍ VS2 ߢᏗ㉼‫ޕ‬
Pt-7: Pt 0 -2,4,6,8-tetramethyl-2,4,6,8-tetravinyl-2,4,6,8-tetracyclotetrasiloxane complex
VS1: 1,3-divinyl-1,1,3,3-tetramethyl-disiloxane; H2C=CH CH3 2Si-O-Si CH3 2CH=CH2
VS2: H2C=CH CH3 2SiO- CH3 2SiO n- CH2=CH CH3 SiO m-Si CH3 2CH=CH2㧔⋥㎮ VS㧕VS3: 2,4,6,8-tetramethyl-2,4,6,8-tetravinyl-2,4,6,8-tetracyclotetrasiloxane 㧔Ⅳ⁁ VS㧕㧔Pt̅7/VS3 ṁᶧߪ Aldrich ߆ࠄ⾼౉㧕ࡑ࠻࡝ࠢࠬߪ㈩૏ሶࠍ౗ߨࠆ‫ޕ‬2L(III) Peak Intensity (Arctan B.G. Subtracted)

Normalized mu(E)3. ᷹ቯ⚿ᨐ
2.0
Comparison of Pt-L3 Line with Pt Valence
10.0
3.1. XANES ࠬࡍࠢ࠻࡞
11,562eV
11,563eV
Fig.1 Ꮐߦ㧘ᮡḰ⹜ᢱߣPtO2
11,561eV⊕㊄⸅ᇦߩ XANES ࠬࡍ
Pt-7: Cl/Pt=0, Pt(0)8.0
1.5ࠢ࠻࡞ࠍ␜ߒߚ‫ޕ‬ᮡḰ⹜
Pt-3: Cl/Pt=0, Pt(0)ᢱߦߟ޿ߡߺࠆߣ‫ޔ‬white
Pt-2: Cl/Pt=4, Pt(IV)
H2PtCl6
Pt-AAline ߿ edge-jump ߩࠛࡀ
6.0
Pt-1: Cl/Pt=4, Pt(IV)0.90 : Pt1(IV)-Cat࡞ࠡ࡯૏⟎ߩ Pt ߩଔᢙ1.0
0.82 : Pt2(IV)-Cat㧔㉄ൻᢙ㧕ଐሽᕈߪዊߐ
H PtCl , Pt(IV)4.0
0.78 : Pt3(0)-Catߊ‫ ࠍࠄࠇߎޔ‬Pt ߩ㉄ൻᢙPt-O , Pt(IV)PtCl2 0.75 : Pt7(0)-Catߩ್ᢿၮḰߣߔࠆߎߣߪ
Pt-Acetylacetonate, Pt(II)0.5㔍ߒ޿‫⊕ޕ‬㊄⸅ᇦߦߟ޿
Pt-Foil
Pt-Cl , Pt(II)2.0
Pt-Blackߡߺࠆߣ㧘white line ߩ
Pt-Black, Pt(0)ࡇ࡯ࠢ૏⟎߇ Pt IV ߣផ
Pt-foil, Pt(0)ቯߒߡ޿ࠆ Pt-1, Pt-2 ࠃࠅ
0.0
0.0012345
߽㧘Pt 0 ߣផቯߒߡ޿ࠆ
11540
11560
11580
11600
Platinum Valence
Energy (eV)Pt-3, Pt-7 ߩᣇ߇㧘1 eV ⒟ᐲ㜞ࠛࡀ࡞ࠡ࡯஥ߦ⃻ࠇߡ޿ࠆ‫ߪࠇߎޕ‬㧘Pt ߩଔ Fig.1. Ꮐ㧦ᮡḰ⹜ᢱ ਅ஥ߩ 6 ߟ ߣ Pt ⸅ᇦ ਄஥ߩ 4 ߟ ߩ Pt-LIIIᢙߦࠃࠆൻቇࠪࡈ࠻߆ࠄ ๆ෼┵ XANES ࠬࡍࠢ࠻࡞‫ⷙ߽ࠇߕ޿ޕ‬ᩰൻಣℂࠍᣉߒߚ‫ޕ‬ฝ㧦ࡃ࠶න⚐ߦ੍ᗐߐࠇࠆ߽ߩߣ ࠢࠣ࡜࠙ࡦ࠼ࠍ Arctangent 㑐ᢙߣߒߡᏅߒᒁ޿ߚๆ෼┵ࠬࡍࠢ࠻ߪㅒߩ௑ะߢ޽ࠆ‫ޕ‬࡞߆ࠄ᳞߼ߚ Pt-LIII ߩᒝᐲ‫ޕ‬৻ᣇ‫ޔ‬white line ߩᒝᐲߦߪଔᢙଐሽᕈ߇޽ࠆࠃ߁ߦ⷗߃ࠆ‫ޕ‬ታ㓙‫ޔ‬Pt-LIII ๆ෼┵ߩ white line ߪ Pt 2pψ5d ㆫ⒖ߦᏫዻߐࠇ‫ߩߘޔ‬ᒝᐲߪ Pt ߩଔ㔚ሶ゠㆏ߦᒰߚࠆ 5d ゠㆏ߩ㕖භ᦭ᢙߦଐሽߔࠆߣ޿ࠊࠇߡ߅ࠅ,ߎߩߎߣ߆ࠄ‫ޔ‬white line ᒝᐲߪ‫ޔ‬Pt ߩଔᢙ㧔ࠃࠅᱜ⏕ߦߪ Pt ේሶ਄ߩᱜ๧ߩ㔚⩄㊂㧕ߩផቯߦࠃߊ૶ࠊ
ࠇߡ޿ࠆ[3-7]‫ޕ‬
Fig.1 ฝߦᮡḰ⹜ᢱߩ white line ߩࡇ࡯ࠢᒝᐲࠍଔᢙߦኻߒߡࡊࡠ࠶࠻ߒߚ‫ߒߛߚޕ‬㧘ࡇ࡯ࠢᒝᐲߪ XANES ࠬࡍࠢ࠻࡞߆ࠄ arctangent 㑐ᢙࠍᏅߒᒁ߈ߒߚᓟ‫ޔ‬Lorentz 㑐ᢙߦࠃࠆࡈࠖ࠶࠹ࠖࡦࠣߢ᳞߼ߡ޿ࠆ‫ࠅࠃࠇߎޕ‬㧘ᄢ߹߆ߦߪଔᢙ߇ᄢ߈ߊߥࠆߦߟࠇߡ white line ᒝᐲ߇ᄢ߈ߊߥࠆ௑ะ߇޽ࠆߎߣ߇ಽ߆ࠆ‫৻ޕ‬ᣇ㧘⊕㊄⸅ᇦ Pt-1, Pt-2, Pt-3, Pt-6 ߩ white line ᒝᐲߪ 0.75-0.9 ߢ޽ࠅ㧘ߎߩ੐߆ࠄ್ᢿߔࠆߣ㧘Pt-1, Pt-2, Pt-3, Pt-6 ߩଔᢙߪߔߴߡ+2r1 ⒟ᐲߣߥࠆ‫ߒ߆ߒޕ‬㧘ߎࠇ߽⹜ᢱߩൻቇ෻ᔕ╬߆ࠄផቯߐࠇࠆଔᢙߣᄢ߈ߊ⇣Pt-Pt140ߥߞߡ޿ࠆ‫ޕ‬
Pt-1એ਄ߩࠃ߁ߦ㧘ൻቇ෻ᔕ╬߆ࠄផቯߐࠇࠆଔᢙߣ
Pt-Pt
Pt-Cl
XANES ߆ࠄផቯߐࠇࠆଔᢙߦߪ㧘৻⷗⍦⋫ߒߡ޿ࠆ
120
Pt-C?
ࠃ߁ߦ⷗߃ࠆ‫⊕ޕ‬㊄ߩ 5d ゠㆏ߪ㧘หߓଔᢙߢ߽㧘㈩Pt-Foil : Pt(0)૏ሶߩ⒳㘃߿㈩૏᭴ㅧߦࠃࠅ⇣ߥࠆ゠㆏ಽⵚ߇⿠ߎ
100
Pt-Black : Pt(0)ࠆߪߕߢ޽ࠅ㧘white line ߩࡇ࡯ࠢ૏⟎߿ㆫ⒖ᒝᐲ߽
ߘࠇߦࠃࠅ⇣ߥࠆߣᕁࠊࠇࠆ‫ߚ߹ޕ‬㧘⊕㊄ߣ㈩૏ሶ
PtCl2: Pt(II)80ߣߩ㑆ߩ㔚⩄⒖േ߽㧘㈩૏ሶߩ⒳㘃߿᭴ㅧߦࠃࠅ⇣Pt-AA : Pt(II)ߥࠆߩߢ㧘⊕㊄਄ߩᱜ๧ߩ㔚⩄ߣ㧘⹜ᢱ⚵ᚑ߆ࠄᒻ
PtO2: Pt(IV)ᑼ⊛ߦ⸘▚ߐࠇࠆଔᢙ㧔㉄ൻᢙ㧕ߦߪ㆑޿߇޽ࠆน
60
H2PtCl6: Pt(IV)⢻ᕈ߽޽ࠆ‫⊕ޕ‬㊄ߩଔᢙ್ᢿߦ XANES ߇ᧄᒰߦ૶߃ࠆ߆ߤ߁߆ᬌ⸛ߔࠆߚ߼ߦߪ㧘੹ᓟ㧘⊕㊄ߩଔᢙ40ߩ⇣ߥࠆ⊕㊄ࠫࠛࡦ㍲૕߿ઁߩ⊕㊄㍲૕♽╬ߩ
Pt-1 : Pt(IV)
XAFS ࠍ᷹ቯߒታ㛎࠺࡯࠲ࠍ⫾Ⓧߔࠆߎߣ߇߹ߕᔅ
Pt-2 : Pt(IV)ⷐߢ޽ࠆ‫ߚ߹ޕ‬㧘ಽሶ゠㆏⸘▚╬ߦࠃࠆℂ⺰⊛ࠕࡊ
20
Pt-3 : Pt(0)ࡠ࡯࠴߽ᔅⷐߢ޽ࠈ߁‫ޕ‬62

FT Magnitude (Arbitrary Unit)

2Pt-7 : Pt(0)3.2. EXAFS ࠬࡍࠢ࠻࡞ߩ⸃ᨆ
3.2.1. ᮡḰ⹜ᢱߣ⊕㊄⸅ᇦߩᲧセFig.2 ߦᮡḰߩ⊕㊄ൻว‛ߣ⊕㊄⸅ᇦߩ EXAFS ࠬࡍࠢ࠻࡞߆ࠄ᳞߼ߚേᓘಽᏓ㑐ᢙࠍ␜ߒߚ‫ޕ‬࿑߆ࠄ㧘
Pt-1 ߣ Pt-2 ߩേᓘಽᏓ㑐ᢙߩࡇ࡯ࠢߪ PtCl2 ෸߮H2PtCl6 ߣหߓ 2Έߩ〒㔌ߦ㧘Pt-3 ߣ Pt-7 ߪ Pt-1 ߿ Pt-2
ࠃࠅ 0.2Έ⒟⍴޿ 1.8Έߩ〒㔌ߦ޽ࠆ‫ߢߎߘޕ‬㧘ߎߩ
4 ⒳ߩ⊕㊄ൻว‛ࠍੑߟߩࠣ࡞࡯ࡊߦಽߌߡ⸃ᨆߒ



0
0.0

1.0

2.0

3.0

4.0

5.0

6.0R (Å)

Fig.2 ᮡḰߩ⊕㊄ൻว‛㧔਄ߩ 6 ⹜ᢱ㧕ߣ Pt-1, Pt-2, Pt-3 ߣ Pt-7 ߩേᓘಽᏓ‫ޕ‬
Pt-1, PT-2, Pt-3 ෸߮ Pt-7 ߩ᜝ᒐౝߩࡠ࡯ࡑᢙሼߪ⊕㊄ߩផቯଔᢙ‫ޕ‬ߚ㧔วᚑ⸳⸘਄߽㧘Table 1 ߦ␜ߒߚࠃ߁ߦੑߟߦಽ㘃ߢ߈ࠆ㧕‫ޕ‬వߕ㧘⊕㊄ߦኻߒߡႮ⚛߇߶߷ 4 ࡕ࡞୚ሽ࿷ߔࠆ Pt-1 ߣ Pt-2 ߩേᓘಽᏓࠍ࿑ߦ␜ߒߚ PtCl2 ߣH2PtCl6 ߩታ᷹࠺࡯࠲ߣᲧセߒߚ‫ޕ‬Pt-1 ߣ Pt-2 ߩࡇ࡯ࠢߣታ᷹ߩ PtCl2 ߣ H2PtCl6 ߪ޿ߕࠇ߽߇߶߷หߓ૏⟎ߦ޽ࠆ߇㧘ࡇ࡯ࠢߩᄢ߈ߐߪ Pt-1 ߣ Pt-2 ߩ޿ߕࠇߣ߽ PtCl2 ߣࠃߊ৻⥌ߒߡ޿ࠆ‫ޕ‬
ߘߎߢ㧘Pt-1 ߣ Pt-2 ߩࡇ࡯ࠢ߇ PtCl2 ߣ H2PtCl6 ߩ޿ߕࠇߩ᭴ㅧߦㄭ޿߆ࠍ PtCl2 ߣ PtCl4 ߩ⚿᥏᭴ㅧ߆ࠄᬌ⸛ߒߚߣߎࠈ㧘PtCl4 ߩ᭴ㅧߩᣇ߇⦟ߊ৻⥌ߒߚ‫ߒ߆ߒޕ‬㧘PtCl2 ߩታ᷹ࠬࡍࠢ࠻࡞ࠍPtCl2 ߩ⚿᥏᭴ㅧ߆ࠄࠪࡒࡘ࡟࡯࠻ߒߡࡈࠖ࠶࠹ࠖࡦࠣࠍ⹜ߺߚ߇⦟޿⚿ᨐߪᓧࠄࠇߕ㧘Pt-1 ߣPt-2 ߩࡇ࡯ࠢ߇ PtCl2 ߩ Pt-Pt ෶ߪ PtCl4 ߩ Pt-Cl ߩ޿ߕࠇߦࠃࠆ߆ߪࠪࡒࡘ࡟࡯࡚ࠪࡦߢߪ್ᢿߢ߈ߥ߆ߞߚ‫ޕ‬ᰴ޿ߢ㧘⊕㊄㧔0 ଔߣផቯ㧕ߦࡆ࠾࡞ၮࠍᜬߟࠪ࡝ࠦ࡯ࡦൻว‛ߢ޽ࠆࡆ࠾࡞ࠪࡠࠠࠨࡦ㧔VS㧕ࠍ㈩૏ߐߖߚ Pt-3 ߣ Pt-7 ߩേᓘಽᏓߩࡇ࡯ࠢߪ Pt II -ࠕ࠮࠴࡞ࠕ࠮࠻ࡦ㍲૕߿ PtO2 ߩേᓘಽᏓࡇ࡯ࠢߩ First Shell ߦㄭ޿‫ࠄ߆ࠢ࡯ࡇߩࠄࠇߎޕ‬㧘Pt-3 ߣ Pt-7 ߩࡇ࡯ࠢߪ Pt-C ߦ↱᧪ߔࠆߩߢߪ
ߣផ᷹ߒߚ߇㧘ㆡᒰߥᮡḰ‛⾰ࠍḰ஻ߒߥ߆ߞߚߩߢ㧘⃻ᤨὐߢ Pt-C ߩ⸃ᨆߪⴕߞߡ޿ߥ޿‫ޕ‬ߎࠇࠄߩ EXAFS ⸃ᨆ߆ࠄ㧘Pt-1 ߣ Pt-2 ߪേᓘಽᏓ߇߶߷หߓߢ㧘ࡑ࠻࡝ࠢࠬߢ޽ࠆࠕ࡞ࠦ࡯࡞
⒳ߦࠃࠆᏅߪߥ޿ߎߣ߇ࠊ߆ߞߚ‫ߚ߹ޕ‬㧘Pt-3 ߣ Pt-7 ߽ห᭽ߩ⚿ᨐߣߥߞߡ㧘⴫ߦ␜ߒߚࠃ߁ߦ
⊕㊄ߦ㈩૏ߒߚࡆ࠾࡞ࠪࡠࠠࠨࡦ߇⋥㎮ߣⅣ⁁ߩ޿ߕࠇߢ޽ߞߡ߽ Pt ๟ࠅߩዪᚲ᭴ㅧߪၮᧄ⊛ߦ߆ߥࠅૃߚ᭴ㅧࠍขࠆߎߣ߇ࠊ߆ߞߚ‫ޕ‬FT Magnitude (arb. units)

3.2.2. ⊕㊄-ࡆ࠾࡞ࠪࡠࠠࠨࡦൻว‛ߩടᾲಣℂᤨߦ↢ߓࠆ㤥⦡↢ᚑ‛ߩหቯࡆ࠾࡞ࠪࡠࠠࠨࡦߦಽᢔߒߚ⊕㊄ൻว‛ߪടᾲಣℂࠍ
30ᣉߔߣ㤥⦡ࠍ๒ߔࠆ႐ว߇޽ࠆ‫ߩߎޕ‬㤥⦡ൻߩේ࿃߇⸅
Pt-C?
ᇦߩ⊕㊄ߦ Pt-Pt ⚿วࠍᜬߟࠢ࡜ࠬ࠲࡯᭽ߩ⚿ว߇ᚑ㐳ߒߚߚ߼ߢߪߥ޿߆ߣ⠨߃㧘0 ଔߩ⊕㊄⸅ᇦߣ⠨߃ߡ޿90ºC HeatingPt-Pt
ࠆ Pt-3 ࠍ⋥㎮ VS㧔VS1㧕ߦ 1.0wt%ߩ⊕㊄ỚᐲߦᏗ㉼ߒ0hr
ߡ 90͠ߢടᾲߒߚ‫ߩ♽ߩߎޕ‬േᓘಽᏓ㑐ᢙࠍ Fig.3 ߦ␜
200.25hrߒߚ‫ޕ‬Fig.3 ߆ࠄ㧘ടᾲಣℂᤨ㑆߇ 0.5 ᤨ㑆ࠍ⿥߃ࠆߣ 2.5Έ
0.5hr
ߩ Pt-Pt ⚿วߩᝄേ߇⃻ࠇߡ㧘⚻ᤨߢᰴ╙ߦჇടߒߡ޿ࠆ
1.0hrߎߣ߇ࠊ߆ࠆ㧘㤥⦡ߩᴉᲚ߇ᄙ㊂ߦ↢ߓߚ 4 ᤨ㑆ߩടᾲ
ಣℂࠍᣉߒߚ⸅ᇦߢߪ Pt-Pt ߩ 2.6Έߩࡇ࡯ࠢ߇㗼⪺ߢ 1.6
2.0hr
10Έߩࡇ࡯ࠢ߇ዊߐߊߥߞߡ޿ࠆ‫⚿ߩߎޕ‬ᨐ߆ࠄ㧘ടᾲಣ
4.0hrℂߦࠃߞߡ Pt-3 ߪ Pt-Black ߣ㘃ૃߩ Pt-Pt ⚿ว߇↢ߓߡ޿ࠆߣ⠨߃ߡ⦟޿ߎߣ߇ࠊ߆ߞߚ‫ߢߎߘޕ‬㧘ߎߩ Pt-3 ࠍLong-time Hold at RT㐳ᤨ㑆ቶ᷷ߦ㕒⟎ߒߡ↢ߓߚ⨥⦡ߩᴉᲚ‛߽Ყセ᷹ቯߒ
Brownwish Precipitationߚ߽ߩߩ Fig. 3 ߩ⨥⦡ߩࠬࡍࠢ࠻࡞ 㧘േᓘಽᏓߪടᾲ0ࠍᣉߐߥ޿ 0hr ߣᏅ߇ߥߊ Pt-Pt ⚿วߪᱴߤ↢ߓߡ޿ߥ޿
Pt-Black (x1/5)
ߣ್ᢿߒߚ‫ޕ‬એ਄ߩ⚿ᨐ߆ࠄ㧘Pt-3 ࠍടᾲߒߡ↢ߕࠆ㤥⦡ൻߪ Pt-Pt
0.0 1.0 2.0 3.0 4.0 5.0 6.0⚿ว߇↢ߓߚߎߣߦࠃࠆߣ⚿⺰ߢ߈ࠆ߇㧘᣿ࠄ߆ߦ㤥⦡R (Å)ࠍ๒ߒߚ♽ߢ߽ో⊕㊄ߦኻߔࠆ Pt-Pt ⚿วߩഀวߪዊߐ
Fig.3 90͠ߢടᾲಣℂߒߚ Pt-5޿‫ޕ‬ᓥߞߡ㧘⊕㊄߇ᒻᚑߔࠆᓸዋߥࡄ࡯࠹ࠖࠢ࡞ߪߏߊ
♽ߩേᓘಽᏓ㑐ᢙ‫ޕ‬௖߆ߢ߽ᒝߊశࠍๆ෼ߒߡᒝ޿㤥⦡ࠍ๒ߔࠆߩߢ޽ࠈ߁‫ޕ‬߹ߚ㧘㤥⦡ߩᴉᲚࠍ↢ߓߚ 4 ᤨ㑆ടᾲ⹜ᢱߪ᷹ቯᓟߦ⹜ᢱࠍ㐿ኽߒߚߣߎࠈ㧘․⇣⊛ߦࠕ࡞࠺
ࡅ࠼߿㈶㉄⥇ࠍ๒ߒߚߩߢ㧘ࠪࡠࠠࠨࡦߩ㐿ⵚ߿ࡆ࠾࡞ၮࠍ฽߻᦭ᯏၮߩ㉄ൻㆶర෻ᔕ߇↢ߓߚߩߢ޽ࠈ߁ߣ⠨߃ߚ‫ޕ‬
3.2.3. ࡆ࠾࡞ࠪࡠࠠࠨࡦߦࠃࠆᏗ㉼ലᨐ
⊕㊄⸅ᇦࠍࠪ࡝ࠦ࡯ࡦࡑ࠻࡝ࠢࠬߦᏗ㉼ߒߚ㓙ߦ㧘᭴ㅧ߇ᄌൻߒߡߒ߹߁ߣ⊕㊄⸅ᇦߩᵴᕈᐲ
߿቟ቯᕈ߽ᄌൻߒߡߒ߹߁น⢻ᕈ߇޽ࠆ‫ߢߎߘޕ‬㧘Pt-2 ߣ Pt-3 ࠍ㧘ࡆ࠾࡞ၮࠍᜬߟ⋥㎮⁁ߩࠪ࡝ࠦ࡯ࡦ㧔VS2㧕ߢᲑ㓏⊛ߦᏗ㉼ߒߚੑߟߩ♽㧔ߘࠇߙࠇ Pt-5㧘Pt-6 ߣߔࠆ㧕ߩ EXAFS ࠬࡍࠢ࠻࡞ࠍ᷹ቯߒߚ‫⚿ޕ‬ᨐࠍ Fig. 4 ߦ␜ߔ‫♽ߩࠇߕ޿ޕ‬೉߽⊕㊄Ớᐲ߇ 0.3wt%એਅߩ႐วߦߪⰯశᴺߦࠃ
ࠅ᷹ቯߒߚ‫ߦ․ޕ‬㧘Pt-6 ߩ♽೉ߪᢔੂේሶ߇㧔߅ߘࠄߊ㧕ࡆ࠾࡞ၮ↱᧪ߩ὇⚛ߢ޽ࠅᓟᣇᢔੂ࿃
ሶ߇ዊߐ޿ߩߢ EXAFS ᝄേ߇߆ߥࠅᒙߊߥࠆ਄ߦ㧘ๆ෼┵⋥ᓟ߆ࠄ 300eV ઃㄭߦ㧘EXAFS ᝄേߣߪ೎↱᧪ߩጊ⁁ߩߥߛࠄ߆ߥࡇ࡯ࠢ߇㊀⇥ߒߡߒ߹޿㧘EXAFS ᝄേ᛽಴߇߆ߥࠅ࿎㔍ߥ⁁ᴫߢ޽ߞߚ‫߼ߚߩߘޕ‬㧘⸃ᨆߢ૶↪ߢ߈ࠆ k ߩ▸࿐߇⁜ߊߥࠅ㧘᳞߼ߚേᓘಽᏓ㑐ᢙߩಽ⸃⢻߇ૐߊߥߞߡ޿ࠆ‫ޕ‬

FT Magnitude (arb. units)FT Magnitude (arb. units)

Pt-5 : Pt-2 Diluted in Vinylsiloxane
40
Pt-5 ߩേᓘಽᏓ㑐Pt-6 : Pt-3 Diluted in Vinylsiloxane60ᢙ㧔Fig. 4㧔Ꮐ㧕㧕ߩ
Pt-Cl
1.8 Έ ઃ ㄭ ߦ ⃻ ࠇ ࠆ
Pt-C?
ࡇ࡯ࠢ㧔Pt-Cl ⚿วߦ
50↱᧪㧕ߩ૏⟎ߣᒝᐲ
30
Noiseߦߪ㧘ࡆ࠾࡞ၮࠍᜬ
Pt-0.01wt%
Pt-0.01wt%
40ߟࠪ࡝ࠦ࡯ࡦ㧔VS2㧕ߢᏗ㉼ߒߚߎߣߦࠃ
Pt-0.03wt%
Pt-0.03wt%
ࠆᄢ߈ߥᄌൻߪߺࠄ2030
ࠇߥ޿‫⚿ߩߎޕ‬ᨐߪ㧘
Pt-0.1wt%
Pt-0.1wt%
Pt-5 ߩ♽ߢߪ㧘⊕㊄߇ࡆ࠾࡞ၮࠃࠅ߽Ⴎ⚛
20Pt-0.3wt%
Pt-0.3wt%
ේሶߣ㈩૏ߒᤃ޿ߚ
10߼㧘Cl ߆ࠄࡆ࠾࡞ၮ
Pt-1.0wt%
Pt-1.0wt%
߳ߩ㈩૏ሶ੤឵෻ᔕ
10ߪ⿠ߎࠅߦߊ޿ߎߣ
Pt-2.0wt%
Pt-3.0wt%
ࠍᗧ๧ߒߡ޿ࠆ‫ߚޕ‬00ߛߒ㧘⊕㊄Ớᐲ߇
0.01-0.03wt%ߩߣ߈㧘௖߆ߦ⍴޿〒㔌ߦ⒖0.0 1.0 2.0 3.0 4.0 5.0 6.0
0.0 1.0 2.0 3.0 4.0 5.0 6.0
R (Å)
R (Å)
േߒߡ޿ࠆߩߢ㧘ࡆ࠾࡞ၮ߳ߩ㈩૏⚿ว߇
Fig.4 ⋥㎮⁁ VS㧔VS2㧕ߦᏗ㉼ߒߚ⊕㊄⸅ᇦߩേᓘಽᏓ㑐ᢙ‫ޕ‬⧯ᐓ↢ߓߡ޿ࠆน⢻ᕈᏀ㧦Pt-2 Pt-Cl ㈩૏ ♽㧧ฝ㧦Pt-3 Pt-ࡆ࠾࡞ၮ㈩૏ ♽‫ޕ‬߽޽ࠆ‫ޕ‬Fig.2 ߦ␜ߒߚࠃ߁ߦ Pt-C?ߩ 1.6Έߩࡇ࡯ࠢߪ Pt-Cl ߩ 1.8Έߩࡇ࡯ࠢߣㄭធߒߡ޿ࠆߩߢ㧘ߎߩน⢻ᕈߦߟ޿ߡߐࠄߦᬌ⸛ߔࠆߦߪ㧘ߘࠇߙࠇߩࡇ࡯ࠢࠍಽ㔌ߢ߈ࠆࠃ߁ߥಽ⸃⢻ߩ㜞޿⸃ᨆߦ߽⠴߃߁ࠆ㔀㖸ߩૐ޿ࠬࡍࠢ࠻࡞߇ᔅⷐߢ޽ࠈ߁‫ޕ‬
Pt-6 ߩ႐ว㧘0.1wt%એਅߩ⊕㊄Ớᐲߢࡇ࡯ࠢ૏⟎߇ᄢ߈ߊ⍴〒㔌஥ߦ⒖േߒߡ޿ࠆ‫ߒߛߚޕ‬㧘వߦ߽⸅ࠇߚࠃ߁ߦ㧘Ⱟశᴺߢ᷹ቯߒߚ 0.1wt%એਅߩ♽ߩࠬࡍࠢ࠻࡞ߢߪ EXAFS ᝄേ᛽಴߇߆ߥࠅ࿎㔍ߥ⁁ᴫߢ޽ࠅ㧘ᓧࠄࠇߚേᓘಽᏓ㑐ᢙ߽⇼ࠊߒ޿ߣᕁࠊࠇࠆߚ߼㧘⊕㊄ේሶ๟ࠅߩዪᚲ
᭴ㅧᄌൻߦ↱᧪ߔࠆᧄ⾰⊛ߥᄌൻߢߪߥ޿ߣ⠨߃ߡ޿ࠆ‫ޕ‬0.3-3wt%ߩ▸࿐ߢߪ Pt-C ⚿วߦ⿠࿃ߔ
ࠆߣᕁࠊࠇࠆࡇ࡯ࠢ૏⟎ߣᒝᐲߦߪᱴߤᄌൻ߇ߥ޿‫ ߒ߆ߒޕ‬Pt-6 ߩ♽೉ߢߪర‫⊕ߩޘ‬㊄ൻว‛ߩ᭴ㅧ߇ Pt ߣࡆ࠾࡞ၮߩ㈩૏ൻว‛㧔VS1㧕ߢ޽ࠆߩߢ㧘઒ߦߎߩࡆ࠾࡞ၮ߇Ꮧ㉼ߦ↪޿ߚ߿ߪࠅ
ࡆ࠾࡞ၮࠍᜬߟࠪ࡝ࠦ࡯ࡦ㧔VS2㧕ߩࡆ࠾࡞ၮߦ⟎߈឵ࠊߞߚߣߒߡ߽㧘᭴ㅧ਄ߩᄢ߈ߥᄌൻߪߥ޿น⢻ᕈ߇㜞޿ߩߢ㧘ߎߩ⚿ᨐ߆ࠄ VS1 ߆ࠄ VS2 ߳ߩ㈩૏ሶߩ⟎឵෻ᔕ߇⿠ߎࠆ߆ุ߆ߩ್ᢿ
ߪߢ߈ߥ޿‫ޕ‬

4. ߹ߣ߼ߣ⠨ኤࠪ࡝ࠦ࡯ࡦ↪ߦ⺞⵾ߒߚ⊕㊄⸅ᇦߩ᷹ቯ⚿ᨐࠍᢛℂߒߚ‫ޕ‬(1) Pt-LIII ߩ XANES ࠬࡍࠢ࠻࡞ߩ white line ᒝᐲߪ‫ޔ‬Pt-1, Pt-2, Pt-3, Pt-7 ߩ႐วߢᱴߤᄌൻ߇ߥߊ‫ޔ‬⊕㊄ߩଔᢙߪ޿ߕࠇ߽+2r1 ߣ⷗Ⓧ߽ࠄࠇߚ‫⚿ߩߎޕ‬ᨐߪൻቇ෻ᔕᕈ╬߆ࠄ੍ᗐߐࠇࠆଔᢙߣᄢ߈ߊ⇣ߥࠅ‫⇼ޔ‬໧߇ᱷࠆ‫⊕ޕ‬㊄ߩଔᢙ್ᢿߦ XANES ߇ᧄᒰߦ૶߃ࠆ߆ߤ߁߆ࠍᬌ⸽ߔࠆߦߪ‫ ߩઁޔ‬Pt ㍲૕ൻว‛ߩ᷹ቯߥߤࠍⴕ߁ᔅⷐ߇޽ࠆ‫ޕ‬(2) Pt-LIII ߩ EXAFS ࠬࡍࠢ࠻࡞߆ࠄ㧘Pt-Cl ♽ߣ Pt-ࡆ࠾࡞ၮ♽ߩ㍲૕ߩ඙೎߇ߢ߈ߘ߁ߢ޽ࠆ‫ޕ‬߹ߚ‫ޔ‬ᒰೋ੍ᗐߒߚ⊕㊄⸅ᇦߩㄭធߒߚ Pt-Pt ⚿วߪ⏕⹺ߢ߈ߥ޿ߎߣ߆ࠄ㧘⊕㊄⸅ᇦߪන⁛ߢሽ࿷ߒߡ޿ࠆน⢻ᕈ߇㜞޿‫ޕ‬(3) ࡆ࠾࡞ၮ߇㈩૏ߒߚ Pt-3 ♽ࠍടᾲߒߡ↢ߕࠆ㤥⦡ൻߪ㧘Pt-Pt ⚿ว߇↢ᚑߒߚߎߣߦࠃࠆߎ
ߣ߇ EXAFS ߆ࠄ⏕⹺ߢ߈ߚ‫ߊߏޕ‬௖߆ߩ Pt-Pt ⚿วߢ߽⵻⌒ߢ⷗ࠆ㤥⦡ൻߩ⒟ᐲߪ㗼⪺ߢ޽ࠆ‫ޕ‬(4) Pt-Cl ߿ Pt-ࡆ࠾࡞ၮߩ㍲૕ߩߘࠇߙࠇࠍ㧘ࡆ࠾࡞ၮࠍᜬߟ⋥㎮⁁ࠪࡠࠠࠨࡦߦᏗ㉼ߒߚ߇
XAFS ࠬࡍࠢ࠻࡞ߦᄢ߈ߥᄌൻߪߥ߆ߞߚ‫ޕ‬Pt-Cl ߿ Pt-ࡆ࠾࡞ၮߩ㈩૏ᕈࠍ⹏ଔߔࠆߦߪ㧘⸃ᨆߩಽ⸃⢻ࠍ㜞ߊߔࠆߥߤߩᎿᄦ߇ⷐࠆߣᕁࠊࠇࠆ‫ޕ‬એ਄㧘ࠪ࡝ࠦ࡯ࡦߩวᚑߦ↪޿ࠆ⊕㊄㍲૕ߩ᭴ㅧ⸃ᨆᚻᴺߩၮ␆࠺࡯࠲ߣߔߴߊ㧘XAFS ߦࠃࠆ᷹ቯߣ⸃ᨆࠍⴕߞߚ‫੹ޕ‬࿁↪޿ߚ Pt-LIII ߩๆ෼ࠬࡍࠢ࠻࡞߆ࠄߪ⊕㊄ߩଔᢙߥߤߩ᭴ㅧߦ㑐ㅪߔࠆᖱႎߪᱴߤᓧࠄࠇߥ߆ߞߚ߇㧘ߎߩේ࿃ߩ৻ߟߦߪࠬࡍࠢ࠻࡞ࠪࡒࡘ࡟࡯࡚ࠪࡦߦ↪޿ࠆ⊕㊄ࠍ฽߻㊄ዻ㍲૕ߩ᭴ㅧ࠺࡯࠲ࠍḰ஻ߢ߈ߥ߆ߞߚߎߣ߽৻࿃ߣ⠨߃ߡ޿ࠆ‫ޕ‬ࠪ࡝ࠦ࡯ࡦ↥ᬺߢߩ⊕㊄⸅ᇦߩਥߚࠆᓎഀ߇ Si-H ၮߣਇ㘻๺ၮߩઃട෻ᔕߦ↪޿ࠆ⸅ᇦ૞↪
ߢ㧘ߎߩ෻ᔕߢߪ⊕㊄߇ Si-H ၮ߿ਇ㘻๺ၮߦ㈩૏ߒߚㆫ⒖⁁ᘒߢ޽ࠆน⢻ᕈ߇㜞ߊ㧘ᓥߞߡ㧘⊕㊄߇὇⚛߿ࠤࠗ⚛ߣ⚿วߒߚ⁁ᘒߢಽ೎ߢ߈ࠆߎߣ߇ᦸ߹ߒ޿‫ߦ⊛⋡ߩߎޕ‬㧘੹࿁↪޿ߚ Pt-LIII߿ߎࠇએᄖߩㆡᒰߥㆫ⒖߇ㆡߒߡ޿ࠆ߆㧘߹ߚ XAFS એᄖߩઁߩᣇᴺ߇ᅷᒰߢ޽ࠆ߆ߥߤ㧘⒳‫ޘ‬ߩၮ␆⊛ߥ࠺࡯࠲ࠍ੹ᓟ߽⛮⛯ߒߡ෼㓸ߔࠆᔅⷐ߇޽ࠈ߁‫ޕ‬ࠪ࡝ࠦ࡯ࡦ↥ᬺߢ↪޿ࠆ⊕㊄ߪ㧘⥄േゞ↪ߩ⸅ᇦߥߤߣ⇣ߥߞߡᏒ႐߆ࠄߩ࿁෼ߪᱴߤᦼᓙߢ߈ߥ޿‫ޕ‬Ꮧዋర⚛ߢ޽ࠆ⊕㊄ࠍࠃࠅലᨐ⊛ߦ↪޿ࠆߚ߼ߦ߽㧘᡼኿శࠍ↪޿ߚࠃࠅ᦭ലߥ᷹ቯᚻᲑࠍ⛮⛯ߒߡᬌ⸛ߔࠆ‫ޕ‬
5. ⻢ㄉߎߩ᷹ቯ߿⸃ᨆࠍⴕ߁ߦᒰߚࠅ㧘㧔⽷㧕㜞ノᐲశ⑼ቇ⎇ⓥ࠮ࡦ࠲࡯↥ᬺ೑↪ផㅴቶߩᧄ㑆᭽ߣ㒶࿾᭽ߩࠨࡐ࡯࠻ࠍ㗂߈߹ߒߚ‫ޕ‬ᷓߊᗵ⻢޿ߚߒ߹ߔ‫ޕ‬ෳ⠨ᢥ₂╬[1] Pt-1 ߣ Pt-2 ߪ㧘PAR㧔ࡇࡠࠫ࡞ࠕ࠱࡟࠱࡞ࠪࡁ࡯࡞㧕ߣ࠻࡞ࠛࡦ-ࠛ࠲ࡁ࡯࡞ṁᇦ♽ߢ㍲ᒻᚑ෻ᔕࠍⴕ߁ߣ㧘ߣ߽ߦ Pt IV ߢ޽ࠆ H2PtCl6 ߿ K2PtCl6 ߩ႐วߣห᭽ߦ‫ޔ‬㞲߿߆ߥ✛⦡ߩṁ⸃ᕈߩ㍲૕ࠍᒻᚑߔࠆ‫৻ޕ‬ᣇ㧘Pt-3 ߪ㧘หߓṁᶧ♽ߢ PAR ߣ෻ᔕߐߖࠆߣ㧘⿒⚡⦡ߩ㍲૕ࠍᒻᚑߒ㧘Pt-1 ߣ Pt-2 ߣߪ⇣ߥࠆ෻ᔕᕈࠍ␜ߔ‫ޔߚ߹ޕ‬Pt-1 ߣ Pt-2 ߩ႐ว㧘PAR ߦኻߒߡ⊕㊄ࠍჇ߿ߔߣ
ߘߩ UV ࠬࡍࠢ࠻࡞ߪ╬ๆ෼ὐࠍᜬߟᄌൻࠍߔࠆߎߣ߆ࠄ‫ ߪߢ♽ߩߎޔ‬PAR ߣ⊕㊄߇㍲ᒻᚑ෻ᔕߩᐔⴧ♽ߦߥߞߡ޿ࠆߣ್ᢿߢ߈ࠆߩߦኻߒ㧘Pt-3 ߩ♽ߢߪ㧘UV ࠬࡍࠢ࠻࡞ߪ╬ๆ෼ὐࠍᜬߚߕ㧘⊕㊄Ớᐲ߇㜞޿ߣ↢ᚑ‛߇ᴉᲚߔࠆߎߣ߆ࠄ㧘ߎߩ↢ᚑ♽ߪਇนㅒߩ♽ߦߥߞߡ޿ࠆ㧘ߣ޿߁㆑޿߽޽ࠆ‫ ߦࠄߐޕ‬Pt-3 ߿ Pt-7 ߩ᭽ߥࡆ࠾࡞㍲૕ߩ Pt ߪ㧘ㅢᏱ 0 ଔࠍߣࠆߣߐࠇߡ޿ࠆ‫ޕ‬એ਄ߩℂ↱߆ࠄ Pt-1 ߣ Pt-2㧘෸߮ Pt-2 ࠍᏗ㉼ߒߚ Pt-5 ࠍ 4 ଔ㧘Pt-3, Pt-7㧘෸߮ Pt-3
ࠍᏗ㉼ߒߚ Pt-4 ߣ Pt-6 ࠍ 0 ଔߣផቯߒߚ‫ޕ‬[2] B. Ravel, et al., J. Synchrotron Rad. 12 2005 537.
[3] A. N. Mansour, et al., J. Phys. Chem. 88 1984 2330.
[4] H. Tanio, et al., Solid State Commun. 53 1985 953.
[5] D. Dou, et al., Appl. Catal. B30 2001 11.
[6] B. J. Hwang, et al., J. Phys. Chem. B110 2006 6475.
[7] Y. Nagai et al., AIP Conference Proceedings 882 2007 594.
[8] L. N.Lewis et al., Organometallics, 14 1995 2202.
[9] L. N.Lewis et al., Platinum Metals Rev., 41, 2 1997 66.

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