SPring-8/SACLA ฼⏝◊✲ᡂᯝ㞟
2012B1734                 Section B         BL19B2ⓑ㔠ࣇ࣮࣭ࣜᾮయ⇞ᩱ㟁ụ㌴ࡢᐇ⏝໬࡟ྥࡅࡓ࢔ࢽ࢜ࣥఏᑟ㧗ศᏊ㟁ゎ㉁⭷ࡢ࢖࢜ࣥఏᑟᛶࠊ⪏ஂᛶྥୖ࡟ಀࡿ㝵ᒙᵓ㐀ࡢゎᯒ
Analysis of Hierarchical Structures of Anion Conducting Membranes for
the Commercialization of Pt-free Liquid Fuel Cell Vehicles
๓ᕝ ᗣᡂ a, ྜྷᮧ බ⏨ a, ࢺࣛࣥ ࢱࢵࣉ b, 㛗㇂ᕝ ఙ a, ⃝⏣ ┿୍ a,኱἟ ṇே c, ኱ሙ ὒḟ㑻 d, ⊦㇂ ⚽ᖾ e , ⏣୰ ⿱ஂ e
Yasunari Maekawaa, Kimio Yoshimuraa, Tap Tran Duyb, Shin Hasegawaa, Shin-ichi Sawadaa,Masato Onumac, Yojiro Obad, Hideyuki Shishitanie, Hirohisa Tanakaea᪥ᮏཎᏊຊ◊✲㛤Ⓨᶵᵓ, b ᮾி኱Ꮫ, c ≀㉁䞉ᮦᩱ◊✲ᶵᵓ, d ி㒔኱Ꮫ, e 䝎䜲䝝䝒ᕤᴗ䠄ᰴ䠅 aJAEA, bTokyo Univ., cNIMS, dKyoto Univ., eDaihatsu Motor Co., Ltd.

࢖࢜ࣥఏᑟᛶࡸ࢔ࣝ࢝ࣜ⪏ᛶࡢ␗࡞ࡿࠊࣇࢵ⣲⣔㧗ศᏊࢆᇶᮦ࡜ࡍࡿࢢࣛࣇࢺᆺ࢔ࢽ࢜ࣥఏᑟ
㟁ゎ㉁⭷ࡢ㉸ᑠゅ X ⥺ᩓ஘ ᐃࢆ⾜࠸ࠊ㝵ᒙᵓ㐀ゎᯒࢆ⾜ࡗࡓࠋ࢖࢜ࣥ஺᥮ᇶࡀ␗࡞ࡿ㟁ゎ㉁⭷ࡍ࡭࡚࡟࠾࠸࡚ࠊ┦㛵㛗⣙ 200 nm ࡢจ㞟య࡟⏤᮶ࡍࡿᵓ㐀ࡀึࡵ࡚☜ㄆฟ᮶ࡓࠋࡇࡢᵓ㐀ࡣࠊྠࡌ㧗ศᏊᇶᮦ࠿ࡽ࡞ࡿࣉࣟࢺࣥᆺ㟁ゎ㉁⭷ࡢ 300 nm ௨ୖࡢ┦㛵㛗ࡼࡾࡶ㐶࠿࡟▷࠸ࡇ࡜࠿ࡽࠊ࢔
ࢽ࢜ࣥᆺ㟁ゎ㉁⭷ࡢ⪏ஂᛶྥୖࡢࡓࡵࡢタィᣦ㔪ࡀᚓࡽࢀࡿྍ⬟ᛶࡀ♧၀ࡉࢀࡓࠋ࣮࣮࢟࣡ࢻ㸸 ࢔ࢽ࢜ࣥ஺᥮ᙧ⇞ᩱ㟁ụࠊ㧗ศᏊ㟁ゎ㉁⭷ࠊ㉸ᑠゅ X ⥺ᩓ஘⫼ᬒ࡜◊✲┠ⓗ㸸⮬ື㌴ࡢ CO2 ᤼ฟ๐ῶ࡟᭷ຠ࡞ᡭẁ࡜ࡋ࡚ࠊ⯟⥆㊥㞳ࡢⅬ࡛᭷฼࡞⇞ᩱ㟁ụ⮬ື㌴ࡀ᭷ຊどࡉࢀ࡚࠸ࡿࡀࠊࡇࢀࡲ࡛◊✲㛤Ⓨࡀ┒ࢇ࡟⾜ࢃࢀࡓỈ⣲⇞ᩱ㟁ụ⮬ື㌴ࡣࠊᩘ༑㹼ⓒࢢ࣒ࣛ㸭ྎࡢⓑ㔠ࡀᚲせ࡜ࡉࢀ࡚࠾ࡾࠊⓑ㔠ࢆ౑࠺㝈ࡾࡇࡢᢏ⾡ࡀ CO2 ᤼ฟపῶ࡜ࡋ࡚ᐇຠࢆୖࡆࡿ࡟ࡣ⮳ࡽ࡞࠸ࡇ࡜ࢆ♧၀ࡋ࡚࠸ࡿࠋ୍᪉ࠊ࢔ࢽ࢜ࣥ஺᥮ᆺ⇞ᩱ㟁ụࡣࠊ㕲ࠊࢥࣂࣝࢺࠊࢽࢵࢣࣝ࡞࡝ࡢ༝㔠ᒓゐ፹ࡢ౑⏝࡛ࠊ⬺ⓑ㔠ࡀᐇ⌧࡛ࡁࡿࠋ㏆ᖺࠊỈຍࣄࢻࣛࢪࣥᾮయ⇞ᩱࢆ⏝࠸ࡓ⇞ᩱ㟁ụ࡛ⓑ㔠࡟┦ᙜࡍࡿ㧗άᛶࢆ♧ࡍゐ፹ࡀሗ࿌ࡉࢀ࡚࠸ࡿ[1]ࠋࡋ࠿ࡋࠊసື᮲௳࡛࠶ࡿ㧗 ࣭࢔ࣝ࢝ࣜ⎔ቃ࡛⪏ஂᛶࡢ࠶ࡿ࢔ࢽ࢜ࣥఏᑟ㟁ゎ㉁⭷ࡢ㛤Ⓨ౛ࡀ↓ࡃࠊᐇ⏝໬࡟ྥࡅ࡚᭱ࡶ኱ࡁ࡞㞀ᐖ࡜࡞ࡗ࡚࠸ࡿ[2]ࠋࡑࡢࡓࡵࠊJST-ALCA ࡢࣉࣟࢪ࢙ࢡࢺ࡟࠾࠸࡚ࡶࠊ㧗ฟຊ࡜㧗⪏ஂᛶࢆేࡏᣢࡘ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࡢ◊✲㛤Ⓨࡀ᭱㔜せㄢ㢟࡜఩⨨࡙ࡅࡽࢀ࡚࠸ࡿࠋᮏ◊✲࡛ࡣࠊ᪥ᮏཎᏊຊ◊✲㛤Ⓨᶵᵓ࡜ࢲ࢖ࣁࢶᕤᴗओࡢඹྠ࡛㐍ࡵ࡚࠸ࡿࠕ⛉Ꮫᢏ⾡᣺⯆ᶵᵓ(JST)ࠖࠕඛ➃ⓗపⅣ⣲໬ᢏ⾡㛤Ⓨ
஦ᴗ(ALCA)ࠖࡢ᥇ᢥㄢ㢟࡛࠶ࡿࠕᾮయ⇞ᩱࢆ⵳㟁፹య࡜ࡍࡿⓑ㔠ࣇ࣮ࣜ⇞ᩱ㟁ụ⮬ື㌴ࠖࢆᐇ⌧ࡍࡿࡓࡵࠊ⇞ᩱ㟁ụࡢ࣮࢟ࢥ࣏࣮ࣥࢿࣥࢺ࡛࠶ࡿ࢔ࢽ࢜ࣥఏᑟ㟁ゎ㉁⭷࡟ࡘ࠸࡚ࠊ㉸ᑠゅ X ⥺ᩓ஘(USAXS) ᐃ࡟ࡼࡗ࡚ᚓࡽࢀࡿࠊᩓ஘Ἴᩘ q < 1.010-1 nm-1 ࡢᩓ஘ࣉࣟࣇ࢓࢖ࣝࢆヲ⣽࡟ゎᯒࡋࠊ⤖ᬗࣔࣝࣇ࢛ࣟࢪ࣮ࡸ࢖࢜ࣥࢳࣕࣥࢿࣝࡢ㐃⤖ᛶ࡞࡝ࠊ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࡢ࢖࢜ࣥఏᑟᛶ࡜⪏ஂᛶࡢⓎ⌧࡟ಀࡿ㝵ᒙᵓ㐀ࢆ᫂ࡽ࠿࡟ࡍࡿࡇ࡜ࢆ┠ⓗ࡜ࡋࡓࠋᐇ㦂㸸ᅗ 1 ࡟⏝࠸ࡓ ᐃヨᩱࡢࢢࣛࣇࢺᆺ࢔ࢽ࢜ࣥఏᑟ㟁ゎ㉁⭷ࡢྜᡂ⤒㊰ࢆ♧ࡍࠋࡲࡎࠊཎᏊຊᶵᵓࡢᨺᑕ⥺ࢢࣛࣇࢺ㔜ྜᢏ⾡ࢆ⏝࠸࡚ࠊ࢚ࢳ࣭ࣞࣥࢸࢺࣛࣇ࢚ࣝ࢜ࣟࢳࣞࣥඹ㔜ྜయ(ETFE)⭷࡟ࢡ࣓ࣟࣟࢳࣝࢫࢳࣞࣥ(CMS)ࢆࢢࣛࣇࢺ㙐࡜ࡋ࡚ᑟධࡋࠊࢢࣛࣇࢺ⋡ 70%ࡢ CMS ࢢࣛࣇࢺ⭷ࢆస〇ࡋࡓࠋࡇࡢࢢࣛࣇࢺ⭷࡟ࢺ࣓ࣜࢳࣝ࢔࣑ࣥ(TMA)ࠊ࣓ࢳࣝ࢖࣑ࢲࢰ࣮ࣝ(MIm)ࠊࡲࡓࡣࢪ࢔ࢨࣅ
ࢩࢡࣟࣀࢿࣥ(DBN)ࢆ཯ᛂࡉࡏ࡚࢖࢜ࣥ஺᥮ᇶࢆᑟධࡋࠊᑐ࢔ࢽ࢜ࣥࡀሷ⣲࢖࢜ࣥ(Cl-)ࡢ࢔ࢽ࢜ࣥ
㟁ゎ㉁⭷ࢆᚓࡓࠋࡑࡢᚋࠊ⃰ᗘ 1 M ࡢ KOH Ỉ⁐ᾮ࡛࢖࢜ࣥ஺᥮ฎ⌮ࢆࡋ࡚ᑐ࢔ࢽ࢜ࣥࡀỈ㓟໬≀࢖࢜ࣥ(OH-)ࡢ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࢆస〇ࡋࡓࠋྛ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࡢ 60qC ࡢỈ୰࡟࠾ࡅࡿᑟ㟁⋡㸦mS/cm㸧୪ࡧ࡟ྵỈ⋡㸦%㸧ࡣ TMA: 144 mS/cm (110%)ࠊMIm: 120 mS/cm (70%)ࠊDBN: 0.4 mS/cm(18%)࡛࠶ࡗࡓࠋ

䠉㻝㻥㻣䠉SPring-8/SACLA ฼⏝◊✲ᡂᯝ㞟

Section B䠐⣭䜰䝭䞁

J-ray䠐⣭䜰䝭䞁

ETFECMS䜾䝷䝣䝖⭷

TMAMImDBN

X-= Cl-, OH-ᅗ㸯㸬ࢢࣛࣇࢺᆺ࢔ࢽ࢜ࣥఏᑟ㟁ゎ㉁⭷ࡢྜᡂ⤒㊰
ୖ㏙ࡢᇶᮦ ETFE ⭷ࠊ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࢆ 1 cm ゅ࡟ษࡾฟࡋࠊ10 ᯛ⛬ᗘ㔜ࡡ࡚ཌࡉࢆ 0.06㹼0.1cm ࡜ࡋࡓ⭷ࢧࣥࣉࣝ࡟ࡘ࠸࡚ࠊSPring-8 ࡢ BL19B2 ࣅ࣮࣒ࣛ࢖ࣥ࡟タ⨨ࡉࢀࡓ USAXS ⿦⨨ࢆ⏝࠸࡚ࠊ5.010-3 nm-1< q < 1.010-1 nm-1 ࡢἼᩘ㡿ᇦࡢᩓ஘ࣉࣟࣇ࢓࢖ࣝࢆゎᯒࡋࡓࠋ࢚ࢿࣝࢠ࣮18keV ࡢ X ⥺ࢆ⏝࠸ࠊᩓ஘ಙྕࡢ᳨ฟ࡟ࡣ኱ᆺࣆࢡࢭ᳨ࣝฟჾ PILATUS-2M ࢆ⏝࠸ࡓࠋヨᩱ࠿ࡽ᳨ฟჾࡲ࡛ࡢ࣓࢝ࣛ㛗ࡣ⣙ 40 m ࡜ࡋࠊ࣓࢝ࣛ㛗ࡢ㍑ṇࡣࠊᶆ‽ヨᩱ࡛࠶ࡿࢥ࣮ࣛࢤࣥࡢᅇᢡࣆ࣮ࢡ
ࢆ⏝࠸࡚⾜ࡗࡓࠋ1 ᐃࡢ㟢ග᫬㛫ࡣ 3 ศ࡜ࡋࠊᩓ஘ಙྕࡣࢢࣛࢵࢩ࣮࣮࢝࣎ࣥࢆእ㒊ᶆ‽࡜ࡋ࡚ࠊ㏱㐣⋡࡜⭷ཌ࠿ࡽ⤯ᑐ್࡟ኚ᥮ࡋࡓࠋ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࡣ࢖࢜ࣥ஺᥮ᇶࡢᵓ㐀ࡸᑐ࢔ࢽ࢜ࣥࡢ✀㢮ࠊྵỈ≧ែ࡟ࡼࡗ࡚࢖࢜ࣥࡢᑟ㟁⋡ࡸྵỈ⋡ࡀ኱ࡁࡃኚ໬ࡍࡿࡓࡵࠊᑐ࢔ࢽ࢜ࣥࡀ Cl-ࡢ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷࡟ࡘ࠸࡚ࡣ஝⇱≧ែ࠾ࡼࡧ㣬࿴ྵỈ≧ែ࡛ ᐃࢆ⾜࠸ࠊྵỈ࡟క࠺ᵓ㐀ኚ໬ࢆㄪ࡭ࡓࠋࡲࡓࠊ⇞ᩱ㟁ụ࡛౑⏝ࡍࡿ≧ែࡢࠊᑐ࢔ࢽ࢜ࣥࡀ OH-ࡢ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࡣ❅⣲㣬࿴Ỉ࡛༑ศ࡟Ὑίࡋࡓᚋࠊ㣬࿴ྵỈ≧ែ࡛ ᐃࢆ⾜ࡗࡓࠋI(q) (cm-1)⤖ᯝ࠾ࡼࡧ⪃ᐹ㸸 ࢢࣛࣇࢺ㔜ྜ཯ᛂ࠾ࡼࡧ࢖࢜ࣥ஺᥮ᇶࡢኚ᭦࡟క࠺㧗ḟᵓ㐀ࡢኚ໬ࢆㄪ࡭ࡿࡓࡵࠊᅗ 2 ࡟ CMS
ࢢࣛࣇࢺ⭷࡟ TMAࠊMImࠊࡲࡓࡣ DBN ࢆ཯ᛂࡉࡏ࡚ᚓࡓࠊᑐ࢔ࢽ࢜ࣥࡀ OH-ࡢྵỈ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷࡜ࠊᇶᮦ ETFE ⭷ࡢ SAXS ࣉࣟࣇ࢓࢖ࣝࡢẚ
107DBN㍑ࢆ♧ࡍࠋ࠸ࡎࢀࡢྵỈ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࢧࣥࣉࣝMIm
106TMA࡟࠾࠸࡚ࡶᇶᮦ ETFE ⭷࡟ࡣぢࡽࢀ࡞࠸ࢩࣙࣝࢲ࣮ETFEࣆ࣮ࢡࡀ q = 0.040 nm-1 ௜㏆࡟ほ ࡉࢀࡓࠋ࣮ࣟࣞ105ࣥࢶ⿵ṇ࡟ࡼࡗ࡚ࣆ࣮ࢡ఩⨨ࢆ᫂☜࡟ࡋࠊ┦㛵㛗ࡢ
104⟬ฟᘧ d = 2S / q ࠿ࡽ┦㛵㛗 d ࢆィ⟬ࡋࡓ⤖ᯝࠊ⣙103
200 nm ࡢఱࡽ࠿ࡢจ㞟యࡀᏑᅾࡍࡿࡇ࡜ࡀࢃ࠿ࡗ
ࡓࠋᇶᮦ ETFE ⭷࡟ᑐࡋ᪂ࡓ࡟ᑟධࡉࢀࡓᵓ㐀ࡣࠊ
102CMS ࢢࣛࣇࢺ㙐࡜ࡇࢀࢆᐁ⬟ᇶኚ᥮ࡋ࡚ᚓࡽࢀࡿ101࢖࢜ࣥ஺᥮ᇶ࡛࠶ࡿࡓࡵࠊࡇࡢจ㞟యࡣ୺࡟ࢢࣛࣇ
10-1
10-2q (nm-1)ࢺ㙐ᵓ㐀࡟⏤᮶ࡍࡿࡶࡢ࡜⪃࠼ࡽࢀࡿࠋࡇࡢ್ࡣྠ
ࡌ ETFE ᇶᮦࡢࣉࣟࢺࣥᆺ㟁ゎ㉁⭷ࡢจ㞟య㛫㊥㞳ᅗ㸰㸬CMS ࢢࣛࣇࢺᆺ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷349-369 nm ࡟ẚ࡭⣙༙ศࡢ኱ࡁࡉ࡟࡞ࡗ࡚࠾ࡾ[3]ࠊ
㸦ᑐ࢔ࢽ࢜ࣥࡀ OH-ࡢ᫬ࡢྵỈ≧ែ㸧ࡢCMS ࡢࢡ࣓ࣟࣟࢳࣝᇶࡀ࠿ࡉ㧗ࡃࠊจ㞟యࡀᙧᡂ
USAX ࣉࣟࣇ࢓࢖ࣝࡋ࡟ࡃ࠿ࡗࡓࡓࡵ࡜ㄝ᫂ࡉࢀࡿࠋ
ᅗ 3 ࡟ୖグࡢྛ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷࡟ࡘ࠸࡚ࠊ஝⇱≧ែ࠿ࡽྵỈ≧ែࠊࡑࡋ࡚ࠊᑐ࢔ࢽ࢜ࣥࡢኚ
᭦࡟క࠺ SAXS ࣉࣟࣇ࢓࢖ࣝࡢኚ໬ࢆ♧ࡍࠋࡑࡢᵓ㐀ኚ໬ࢆㄪ࡭ࡓ⤖ᯝࠊᕷ㈍⭷➼୍࡛⯡ⓗ࡟⏝࠸ࡽࢀ࡚࠸ࡿ TMA ࢆ࢖࢜ࣥ஺᥮ᇶ࡜ࡍࡿ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࡢ఍ྜࢻ࣓࢖ࣥࡢ┦㛵㛗 d ࡣࠊᑐ࢔ࢽ࢜ࣥࡀ Cl-ࡢ஝⇱≧ែ⭷ࡢ 154 nm ࠿ࡽྵỈ≧ែ࡜࡞ࡿࡇ࡜࡛ 165 nm ࡟ቑຍࡋࠊᑐ࢔ࢽ࢜ࣥࡀOH-ࡢ࢔ࢽ࢜ࣥ⭷࡛ࡣ 192 nm ࡜࡞ࡗࡓࠋྵỈ࡜࢖࢜ࣥ஺᥮࡟ࡼࡗ࡚఍ྜࢻ࣓࢖ࣥࢧ࢖ࢬࡀ኱ࡁࡃቑ኱ࡍࡿࡇ࡜ࡀࢃ࠿ࡾࠊ࢔ࢽ࢜ࣥ⭷ࡢ㧗࠸ྵỈ⋡(110%)࡟ᑐᛂࡋ࡚࠸ࡓࠋ୍᪉ࠊྵỈ⋡ࡀ 70%ࡢMIm ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷࡛ࡣ 165 nm (Cl-஝⇱≧ែ)ࠊ192 nm (Cl-ྵỈ≧ែ)ࠊ197 nm (OH-ྵỈ≧ែ)࡜
࡞ࡾ࢖࢜ࣥ஺᥮᫬ࡢ఍ྜࢻ࣓࢖ࣥࢧ࢖ࢬࡢኚ໬ࡀపࡃᢚ࠼ࡽࢀ࡚࠸ࡓࠋྵỈ⋡ 18%ࡢ DBN ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷࡛ࡣ 172 nmࠊ197 nmࠊ194 nm ࡜ࠊᑐ࢔ࢽ࢜ࣥࡀ Cl-ࡢ᫬ࡼࡾࡶ OH-ࡢ᫬ࡢࢻ࣓࢖ࣥࢧ࢖ࢬࡢ᪉ࡀᑠࡉࡃ࡞ࡗ࡚࠸ࡓࠋ

䠉㻝㻥㻤䠉SPring-8/SACLA ฼⏝◊✲ᡂᯝ㞟
70$

I(q) (cm-1)

107

0,P

107
106

106

105

105

105

104

104

104

103

103

103

102

102

102

10-2

q (nm-1)

10-1

101

10-2

q (nm-1)

'%1

107

106

101

Section B

10-1

101

10-2

q (nm-1)

10-1

ᅗ 3㸬CMS ࢢࣛࣇࢺᆺ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࡢ USAX ࣉࣟࣇ࢓࢖ࣝ㸦㟷㸸ᑐ࢔ࢽ࢜ࣥࡀ
Cl-ࡢ᫬ࡢ஝⇱≧ែࠊ㉥㸸ᑐ࢔ࢽ࢜ࣥࡀ Cl-ࡢ᫬ࡢྵỈ≧ែࠊ⥳㸸ᑐ࢔ࢽ࢜ࣥࡀ OHࡢ᫬ࡢྵỈ≧ែ㸧௨ୖࡢ⤖ᯝ࠿ࡽࠊᑟ㟁⋡ࡸྵỈ⋡࡞࡝ࡢ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࡢ⭷≀ᛶ࡜ࠊ஝⇱ࠊྵỈ≧ែ࡛ࡢ఍ྜࢻ࣓࢖ࣥࢧ࢖ࢬࡢኚ໬ࡢ኱ࡁࡉ࡜ࡢ㛫࡟㛵ಀࡀ࠶ࡿࡇ࡜ࡀࢃ࠿ࡾࠊ㧗 ࡢ࢔ࣝ࢝ࣜ⎔ቃ࡟࠾ࡅࡿ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࡢᶵᲔⓗᙉᗘࡢ⥔ᣢ᪉ἲ࡞࡝ࠊ⪏ஂᛶྥୖࡢࡓࡵࡢタィᣦ㔪ࡀᚓࡽࢀࡿྍ⬟ᛶࡀ♧၀ࡉࢀࡓࠋ௒ᚋࡢㄢ㢟㸸 ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࡢ࢖࢜ࣥఏᑟᛶ࡜⪏ஂᛶࡢⓎ⌧࡟୙ྍḞ࡞㝵ᒙᵓ㐀ࡢ୍㒊ࢆ᫂ࡽ࠿࡟࡛ࡁࡓࡓࡵࠊ௒ᚋࡣ㧗 ࡢ࢔ࣝ࢝ࣜ⎔ቃ࡛ຎ໬ࡉࡏࡓ࢔ࢽ࢜ࣥ㟁ゎ㉁⭷ࡢ USAX ᐃࢆ⾜࠸ࠊᵓ㐀ᶵ⬟┦㛵ࢆ᫂ࡽ࠿࡟ࡋ࡚ࠊ㧗⪏ஂᛶ࠿ࡘ㧗࢖࢜ࣥఏᑟᛶࢆ♧ࡍ࢔ࢽ࢜ࣥఏᑟ㟁ゎ㉁⭷ࡢタィࠊྜᡂ࡟ࣇ࢕࣮ࢻࣂࢵࢡࡍࡿࠋཧ⪃ᩥ⊩㸸[1] K. Asazawa et al., Angew. Chem., Int. Ed., 46, 8024 (2007).
[2] G. Couture, et al., Prog. Polym. Sci., 36, 1521 (2011).
[3] ๓ᕝ ௚, SPring-8/SACLA ฼⏝◊✲ᡂᯝ㞟 1, Section B, 74, 2011B1972 (2013).

(Received: March 2, 2016; Early edition: May 9, 2019;
Accepted: July 16, 2019; Published: August 29, 2019)䠉㻝㻥㻥䠉