SPring-8/SACLA
Pring-8/SALCA ฼⏝◊✲ᡂᯝ㞟
2014B1578

SectionSection B

BL46XU◳ X ⥺ග㟁Ꮚศගἲ࡟ࡼࡿ㥑ື୰ࡢ᭷ᶵⷧ⭷ኴ㝧㟁ụࡢศᯒ
Analysis on Organic Thin-Layer Photovoltaic Cells by Hard X-ray
Photoelectron Spectroscopyᒸᮏ ⸅, 㜿㒊 ⰾᕭ
Kaoru Okamoto, Yoshimi Abe୕⳻ࢣ࣑࢝ࣝᰴᘧ఍♫Mitsubishi Chemical Corporation᭷ᶵⷧ⭷ኴ㝧㟁ụࡢ㔠ᒓ㸭᭷ᶵᒙ⏺㠃ࢆㄪ࡭ࡿࡓࡵࠊ㥑ື≧ែ࡛ࡢ◳ X ⥺ග㟁Ꮚศගἲ㸦hard
X-ray photoelectron spectroscopy, HAXPES㸧࡟ࡼࡿศᯒࢆ⾜ࡗࡓࠋ㟁ᅽ༳ຍ≧ែ࡛ࡢྛᒙࡢ㟁఩ࢆẚ㍑ࡋࡓ⤖ᯝࠊ㟁ᴟ㸭ࣂࢵࣇ࢓࣮ᒙࡢ㛫ࡢ⏺㠃ᒙࡣ㟁ᴟ࡟㏆࠸㟁఩࡟࠶ࡾࠊ⏺㠃ᒙ࡜ࣂࢵࣇ࢓࣮ᒙࡢ㛫࡟㟁Ẽ᢬ᢠࡀ⏕ࡌ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡗࡓࠋࡉࡽ࡟Ⓨ㟁୰ࡢኴ㝧㟁ụࡢ HAXPES ᐃ࡟ࡶᡂຌࡋࡓࠋ࣮࣮࢟࣡ࢻ㸸 ◳ X ⥺ග㟁Ꮚศගࠊ᭷ᶵⷧ⭷ኴ㝧㟁ụࠊ㥑ື୰ᐃ⫼ᬒ࡜◊✲┠ⓗ㸸᭷ᶵⷧ⭷ኴ㝧㟁ụࡣࠊ㍍ࡃ࡚ࣇࣞ࢟ࢩࣈ࡛ࣝᛂ⏝ࡢᖜࡀᗈ࠸ୖࠊప࢚ࢿࣝࢠ࣮࣭పࢥࢫࢺ໬ࡀᮃࡵࡿ㨩ຊⓗ࡞ኴ㝧㟁ụ࡛࠶ࡿࠋ⌧ᅾᗈࡃᬑཬࡋ࡚࠸ࡿࢩࣜࢥࣥ⣔ࡢኴ㝧㟁ụࡢタ⨨ࡀ㞴ࡋ࠸ሙᡤࠊ౛࠼ࡤ❆ࡸእቨ࡞࡝࡟ྲྀࡾ௜ࡅࡽࢀࡿ཯㠃ࠊຠ⋡ࡸᑑ࿨ࡢⅬ࡛ࡣࢩࣜࢥࣥኴ㝧㟁ụ࡟ཬࡤࡎࠊ㧗ᛶ⬟໬ࡀᮃࡲࢀ࡚࠸ࡿࠋ㛗ᑑ࿨࣭㧗ຠ⋡ࢆ୧❧ࡋࡓࢹࣂ࢖ࢫࢆᚓࡿ࡟ࡣࠊ⣲Ꮚෆ㒊ࡢ᝟ሗࢆṇࡋࡃᚓࡿࡇ࡜ࡀ㔜せ࡛࠶ࡿࠋ᭷ᶵⷧ⭷ኴ㝧㟁ụࡣᩘ༑࠿ࡽᩘⓒ nm ⛬ᗘࡢᒙࡀ✚ࡳ㔜ࡡࡽࢀࡓᵓ㐀࡟࡞ࡗ࡚࠸ࡿࡓࡵࠊෆ㒊ࡢᒙࡸ⏺㠃࡟࠾ࡅࡿ໬Ꮫ≧ែࡢኚ໬ࢆศᯒࡍࡿࡢࡣᐜ࡛᫆ࡣ࡞࠸ࠋࡑࡇ࡛ᡃࠎࡣ᳨ฟ῝ࡉࡢ኱ࡁ࠸◳ X ⥺ග㟁Ꮚศගἲ㸦hard X-ray photoelectron spectroscopy, HAXPES㸧[í]ࢆ⏝࠸ࠊୖ㒊 Ag㟁ᴟࡀࡘ࠸ࡓ≧ែࡢ⣲ᏊࢆゎᯒࡋࠊAg㸫PEDOT:PSS ⏺㠃࡛ࢳ࣮࢜ࣞࢺࡢ⏕ᡂ࡜ Ag ࡢ◲໬ࡀ㉳ࡁ࡚࠸ࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓ[5]ࠋᮏ◊✲࡛ࡣࠊ㟁ᅽ༳ຍ≧ែࠊ࠾ࡼࡧග↷ᑕୗ㸦Ⓨ㟁୰㸧ࡢ᭷ᶵⷧ⭷ኴ㝧㟁ụ⣲Ꮚ࡟ࡘ࠸࡚ HAXPES ᐃࢆ⾜࠸ࠊ⏺㠃ࡢ≧ែ࡟ࡘ࠸࡚ࡉࡽ࡟ヲ⣽࡟ㄪ࡭ࡓࠋᐇ㦂㸸
HAXPES ᐃࡣ BL46XU ࡟࡚ࠊ7939.1 eV ࡢධᑕ X ⥺ࢆ⏝࠸࡚ᐇ᪋ࡋࡓࠋ࢚ࢿࣝࢠ࣮㍑ṇࡣ Au
4f7/2 ࣆ࣮ࢡ఩⨨ࢆ 84.1 eV ࡜ࡋ࡚⾜ࡗࡓࠋ᳨ฟჾࡢࣃࢫ࢚ࢿࣝࢠ࣮ࡣ 200 eVࠊࢫࣜࢵࢺᖜࡣ curved
0.5 mm ࡜ࡋࡓࠋ㟁Ꮚࡢฟᑕゅࡣ┤ฟᑕ㸦80°㸧࠾ࡼࡧᩳฟᑕ㸦45°ࠊ30°㸧࡜ࡋࡓࠋヨᩱ࡜ࡋ࡚ࡣࠊ௨ୗࡢᵓᡂࢆᣢࡘሬᕸᆺ᭷ᶵⷧ⭷ኴ㝧㟁ụࢆ⏝࠸ࡓࠋ࢞ࣛࢫᇶᯈ / ITO / 㓟໬ள㖄 / ࣏ࣜ-3-࣊࢟ࢩࣝࢳ࢜ࣇ࢙ࣥ (P3HT)㸸C60 ࢖ࣥࢹࣥ஧௜ຍయ(C60(ind)2) (200 nm) / ࣏ࣜ-3,4-࢚ࢳࣞࣥࢪ࢜࢟ࢩࢳ࢜ࣇ࢙ࣥ㸸࣏ࣜࢫࢳࣞࣥࢫࣝ࣍ࣥ㓟(PEDOT:PSS) (30 nm) / Ag (10 nm)
ୖグࡢ⣲Ꮚࡣᐇ㝿࡟㛤Ⓨホ౯⏝࡟స〇ࡋࡓࡶࡢ࡛ࠊࡑࡢࡲࡲ࡛ࡣ኱ࡁࡍࡂࡿࡓࡵࠊHAXPESᐃ⏝࡟ຍᕤࢆᚲせ࡜ࡋࡓࠋᑒṆࡋࡓ≧ែ࡛ホ౯ࡋࡓ⣲Ꮚࢆ ᐃ┤๓࡟ Ar ࢢ࣮ࣟࣈ࣎ࢵࢡࢫ୰࡛㛤ᑒࡋࠊᇶᯈࢆ 108 mm ௨ୗ࡟ษࡾฟࡋࡓࠋษࡾฟࡋࡓ⣲Ꮚࢆ❅⣲⨨᥮ࡋࡓࢢ࣮ࣟࣈࣂࢵࢢ࡟⛣ࡋࠊAg 㟁ᴟഃࢆ ᐃ㠃࡜ࡋ࡚ࠊAg 㟁ᴟ࡜ ITO 㟁ᴟࡀࡑࢀࡒࢀ┤ὶ㟁※ࡢ㸩ഃࠊ㸫ഃ࡟࡞ࡿࡼ
࠺࡟ࠊ㖟࣮࣌ࢫࢺ࡜ Au ࣡࢖ࣖࢆ⏝࠸࡚ࢧࣥࣉࣝ࣍ࣝࢲ࡟㟁Ẽⓗ࡟᥋⥆ࡋࡓᚋࠊヨᩱࢆ࡛ࡁࡿࡔࡅ኱Ẽ࡟ࡉࡽࡉ࡞࠸ࡼ࠺࡟ࡋ࡚⿦⨨࡟ᑟධࡋࡓࠋHAXPES ᐃࡣࠊ┤ὶ㟁※࡟ࡘ࡞࠸࡛㟁ᅽࢆ༳ຍࡋ࡞ࡀࡽࠊࡶࡋࡃࡣࢹࢪࢱ࣐ࣝࣝࢳ࣓࣮ࢱ࡟ࡘ࡞࠸࡛ࢳࣕࣥࣂ࣮እ࠿ࡽࣁࣟࢤࣥࣛࣥࣉࢆ↷ᑕࡋ࡞ࡀࡽ⾜ࡗࡓࠋ
TPP2M[6]࡛ Ag ཬࡧ PEDOT:PSS ୰ࡢ㟁Ꮚࡢ㠀ᙎᛶᖹᆒ⮬⏤⾜⛬ࢆぢ✚ࡶࡿ࡜ࠊS 1s 㟁Ꮚ㸦㐠ື࢚ࢿࣝࢠ࣮⣙ 5.5 keV㸧ࡢሙྜ࡛ࡑࢀࡒࢀ 5.6 nmࠊ11 nmࠊO 1s 㟁Ꮚ㸦㐠ື࢚ࢿࣝࢠ࣮⣙ 7.4 eV㸧䠉㻞㻝㻞䠉SPring-8/SACLAPring-8/SALCA ฼⏝◊✲ᡂᯝ㞟

SectionSection Bࡢሙྜ࡛ࡑࢀࡒࢀ 7.2 nmࠊ14 nm ࡛࠶ࡗࡓࠋᖹᆒ⮬⏤⾜⛬ࡢ 3 ಸࢆ XPS ࡢ᝟ሗ῝ࡉ࡜ࡳ࡞ࡍ࡜ࠊᮏ ᐃ࡟࠾࠸࡚ほ ࡉࢀ࡚࠸ࡿࡢࡣ Ag 㟁ᴟ࠿ࡽ PEDOT:PSS ᒙࡲ࡛࡜⪃࠼ࡽࢀࡿࠋ
࡞࠾ࠊᩥ⊩[5]ࡢ◊✲࡟࠾࠸࡚ࡣ X ⥺࡟ࡼࡿヨᩱࢲ࣓࣮ࢪࡀ⏒኱࡛ࠊS 1s ᐃࡢ㝿࡟ 1 ࢫ࢟ࣕࣥࡈ࡜࡟ ᐃⅬࢆ⛣ືࡍࡿᚲせࡀ࠶ࡗࡓࡀࠊᮏ◊✲࡟࠾࠸࡚ࡣࢫ࣌ࢡࢺࣝኚ໬ࡀ㍍ᚤࡔࡗࡓࡓࡵࠊ
ᐃ୰ࡢヨᩱ⛣ືࡣ⾜ࢃ࡞࠿ࡗࡓࠋBL15XU㸦X ⥺࢚ࢿࣝࢠ࣮5953 eVࠊࣅ࣮࣒ᚄ 30 ȝmࢥࠊphotonflux ~ 1012 /s㸧࡛ ᐃࢆ⾜ࡗࡓᩥ⊩[5]࡟ẚ࡭ࠊ௒ᅇࡢ ᐃ㸦X ⥺࢚ࢿࣝࢠ࣮7939.1 eVࠊࣅ࣮࣒ࢧ
࢖ࢬ 20250 ȝmࠊphoton flux ~ 1013 /s㸧࡛ࡣ X ⥺࢚ࢿࣝࢠ࣮ࡀ㧗ࡃࠊヨᩱ඲యࡢ X ⥺྾཰ಀᩘࡀ
ᑠࡉ࠸ࡇ࡜ࡀࢲ࣓࣮ࢪࡢ㍍ῶ࡟ࡘ࡞ࡀࡗ࡚࠸ࡿ࡜᥎ᐃࡉࢀࡿࠋ
ࣆ࣮ࢡ఩⨨ࡢ㆟ㄽ࡟࠶ࡓࡗ࡚ࡣࠊAg 3d5/2 ࢫ࣌ࢡࢺࣝ࡟ࡘ࠸࡚ࡣࣆ࣮ࢡ᭱኱್ࡢ⤖ྜ࢚ࢿࣝࢠ࣮ࠊ
C 1sࠊO 1sࠊS 1s ࢫ࣌ࢡࢺࣝ࡟ࡘ࠸࡚ࡣ Gauss-Lorentz 㛵ᩘ࡟ࡼࡿࣆ࣮ࢡศ㞳࡟ࡼࡗ࡚ᚓࡽࢀࡓྛࣆ࣮ࢡᡂศࡢ୰ᚰ఩⨨ࢆ⏝࠸ࡓࠋࣆ࣮ࢡศ㞳ゎᯒࡣ PHI Multipak 8.4 ࡟ࡼࡾ⾜ࡗࡓࠋ⤖ᯝ࠾ࡼࡧ⪃ᐹ㸸(1) 㟁ᅽ༳ຍୗ࡛ࡢ ᐃ⣲Ꮚ࡟㟁ᅽࢆ༳ຍࡍࡿ࡜ࠊྛᒙࡢ㟁Ꮚ‽఩ࡣࡑࡢᒙࡀឤࡌ࡚࠸ࡿ㟁఩ศࡔࡅᖹ⾜⛣ືࡍࡿࡓࡵࠊග㟁Ꮚࣆ࣮ࢡࡢࢩࣇࢺ㔞࠿ࡽࡑࡢඖ⣲ࡀᏑᅾࡍࡿᒙࡢ㟁఩ࢆ▱ࡿࡇ࡜ࡀ࡛ࡁࡿࠋ
ᅗ 1 ࡟♧ࡋࡓ Ag 3d5/2 ࢫ࣌ࢡࢺࣝࡢࢩࣇࢺ㔞ࡣ Ag㸫ITO㛫ࡢ㟁఩ᕪࢆ཯ᫎࡋ࡚࠸ࡿࡀࠊ6.0 V ࡢ༳ຍ㟁ᅽ࡟ᑐࡋ࡚ࢩ
ࣇࢺ㔞ࡣ 1.5 ~ 2 eV ⛬ᗘ࡟࡜࡝ࡲࡗ࡚࠸ࡓࠋ」ᩘࡢ⣲Ꮚ࡛ᐃࡋࡓ㝿ࡢࢩࣇࢺ㔞ࡢ᣺ࢀࡀ኱ࡁ࠸ࡇ࡜ࠊูࡢᐇ㦂࡛⏝
ᅗ 1㸬Ag 㟁ᴟ㟁ᴟࡢ Ag 3d5/2 HAXPES࠸ࡓ Ag ௨እࡢ㟁ᴟ࡛ࡣ༳ຍ㟁ᅽ࡜ࡢᕪࡣࡎࡗ࡜ᑠࡉ࠿ࡗ
ࢫ࣌ࢡࢺࣝࡓࡇ࡜࠿ࡽࠊAg 㟁ᴟ࡜㓄⥺࡟⏝࠸ࡓ Ag ࣮࣌ࢫࢺ࡜ࡢ㛫࡟
᥋ゐ᢬ᢠࡀ⏕ࡌ࡚࠸ࡿ࡜᥎ᐃࡉࢀࡿࠋ
ᅗ 2㸫4 ࡟ᅗ 1 ࡜ྠࡌ⣲Ꮚࡢ C 1sࠊO 1sࠊS 1s ࢫ࣌ࢡࢺࣝࢆ♧ࡍࠋAg 3d5/2 ࢫ࣌ࢡࢺࣝ࡜ྠᵝ࡟㟁ᅽ༳ຍ࡟కࡗ࡚ࣆ࣮
ࢡࡀ㧗⤖ྜ࢚ࢿࣝࢠ࣮ഃ࡟ࢩࣇࢺࡋ࡚࠸ࡿࡀࠊࡑࡢࢩࣇࢺ
㔞ࡣ࠸ࡎࢀࡶ Ag ࡟ẚ࡭࡚ᑠࡉࡃࠊAg 㟁ᴟ࡜ PEDOT:PSSᒙ࡜࡛㟁఩ࡀ␗࡞ࡿ࡜⪃࠼ࡽࢀࡿࠋࡲࡓ S 1s ࢫ࣌ࢡࢺࣝ࡟
࠾࠸࡚ࠊPSS ୰ࡢࢫࣝ࣍ࣥ㓟ᇶࠊPEDOT ୰ࡢࢳ࢜ࣇ࢙ࣥᇶ⏤᮶ࡢࣆ࣮ࢡࡢࢩࣇࢺ㔞࡜ࠊAg 㟁ᴟ࡜ࡢ⏺㠃࡟࠶ࡿ Ag ◲໬≀࠾ࡼࡧࢳ࣮࢜ࣞࢺ࡟⏤᮶ࡍࡿࣆ࣮ࢡ S1ࠊS2 ࡢࢩࣇࢺ㔞ࡣ␗࡞ࡗ࡚࠸ࡓ㸦ᅗ 4(c)㸧ࠋ
ฟᑕゅ 30°ࡢࢫ࣌ࢡࢺࣝ࡟ࡘ࠸࡚ࠊྛࣆ࣮ࢡࡢࢩࣇࢺ㔞ࢆẚ㍑ࡋࡓࡶࡢࢆᅗ 5 ࡟♧ࡍࠋࢩࣇࢺ㔞ࡣ Ag > S1 > S2 >PEDOTࠊPSSࠊCࠊO ࡢ㡰࡟ῶᑡࡋ࡚࠸ࡓࠋAg 㟁ᴟ࡜ S1 ࡢ ᅗ 2㸬᭷ᶵⷧ⭷ኴ㝧㟁ụࡢ C 1sᕪࡣᑠࡉࡃࠊAg㸫ITO 㛫ࡢ㟁఩ᕪ㸦Ag ࡟࠾ࡅࡿࢩࣇࢺ㔞㸧
HAXPES ࢫ࣌ࢡࢺࣝ
ࡢ 3%ࡔࡗࡓࠋ୍᪉ࠊS1㸫S2 㛫ࠊS2㸫PEDOT:PSS ᒙࡢ⏺㠃ࡢᕪࡣࡑࢀࡒࢀ 8%࠾ࡼࡧ 15%࡛ࠊ⣲Ꮚ඲య࡛ࡢ㟁఩ࢻࣟࢵࣉࡢ࠺ࡕ 1/4 ࡀ Ag 㟁ᴟ࡜ PEDOT:PSS ᒙࡢ⏺㠃࡛㉳ࡁ࡚࠸ࡿࡇ࡜ࡀࢃ࠿ࡗࡓࠋ⏺㠃ᒙࡢᏑᅾࡣᒙ㛫ࡢᐦ╔ᛶࢆ㧗ࡵࡿຠᯝࡀᮇᚅ࡛ࡁࡿ୍᪉࡛ࠊ⏺㠃᢬ᢠࢆୖ᪼ࡉࡏࡿせᅉ࡟ࡶ࡞ࡗ࡚࠾ࡾࠊ⏺㠃ࡢไᚚࡀ᭷ᶵⷧ⭷ኴ㝧㟁ụࡢᛶ⬟ࢆྥୖࡉࡏࡿࡓࡵ࡟㔜せ࡛࠶ࡿࠋ㟁ᅽ༳ຍ≧ែ࡛ࡢ HAXPES ᐃ࡟ࡼࡾࠊ⏺㠃ࡢ᢬ᢠࢆᐃ㔞ⓗ࡟ホ౯ࡍࡿࡇ࡜ࡀ࡛ࡁࡓࠋ
(2) ග↷ᑕୗ࡛ࡢ ᐃᅗ 6(a)(b)࡟ග↷ᑕୗ࡛ ᐃࡋࡓ S 1s ࢫ࣌ࢡࢺࣝࢆ♧ࡍࠋග↷ᑕ࡟ࡼࡗ࡚ࢫ࣌ࢡࢺࣝࡀࢩࣇࢺࡋࠊࢩࣇࢺ㔞ࡣࡍ࡭࡚ࡢࣆ࣮ࢡ࡛⣙ 0.6 eV ࡛࠶ࡗࡓࠋࢹࢪࢱ࣐ࣝࣝࢳ࣓࣮ࢱ࡛
ᅗ 3㸬᭷ᶵⷧ⭷ኴ㝧㟁ụࡢ O 1s
HAXPES ࢫ࣌ࢡࢺࣝ䠉㻞㻝㻟䠉SPring-8/SACLA
Pring-8/SALCA ฼⏝◊✲ᡂᯝ㞟SectionSection Bᅗ 4㸬᭷ᶵⷧ⭷ኴ㝧㟁ụࡢ S 1s HAXPES ࢫ࣌ࢡࢺࣝ (a) ┤ฟᑕࠊ(b) 30°ฟᑕࠊ(c) (b)ࡢ SO3 ࣆ࣮ࢡ఩⨨ࡀྜ࠺ࡼ࠺࡟ 0 V ࡢࢫ࣌ࢡࢺࣝࢆᖹ⾜⛣ືࡋࡓࡶࡢᐃ࡜ྠ᫬࡟ ᐃࡋࡓග㉳㟁ຊࡀ 0.6 V ࡛࠶ࡗࡓࡇ࡜࠿ࡽࠊࡇࡢࢩࣇࢺࡣග㉳㟁ຊ࡟ࡼࡿࡶࡢ࡜⪃࠼ࡽࢀࡿࡀࠊ㟁ᅽ༳ຍ᫬࡜␗࡞ࡾࠊAg 㟁ᴟ࡜ PEDOT:PSSᒙࡢ㟁఩ࡣྠࡌࡔࡗࡓࠋࡑࡢ⌮⏤ࡣ➼౯ᅇ㊰࠿ࡽ᥎ᐃࡉࢀࡿࠋ㟁ᅽ༳ຍᐃ࡟࠾࠸࡚ࡣࠊAg 㟁ᴟ࡜ ITO 㟁ᴟࡢ㛫࡟㟁ᅽࡀ༳ຍࡉࢀࠊࡑࡢ㛫ࡢᒙࡣࡍ࡭࡚᢬ᢠ࡜ࡳ࡞ࡉࢀࡿࠋࡋ
ࡓࡀࡗ࡚ࠊྛᒙࡢ᢬ᢠ࡟ᛂࡌ࡚ HAXPES ࡢࣆ࣮ࢡࢩࣇࢺ㔞࡟㐪࠸ࡀ⏕ࡌࡿࠋ୍᪉ࠊග↷ᑕୗ࡛ࡢ ᐃ㸦ග㉳㟁ຊࢆྠ᫬࡟ ᐃ㸧ࡢ㝿ࡢ➼౯ᅇ㊰ࡣᅗ 6(c)ࡢࡼ࠺࡟࡞ࡿࠋάᛶᒙ࡛㟁఩ᕪࡀ⏕ࡌ࡚࠸ࡿ୍᪉࡛ࠊ㟁ᅽィࡣᕧ኱࡞᢬ᢠ Rv
ᅗ 5㸬㟁ᅽ༳ຍ࡟క࠺ࣆ࣮ࢡࢩࣇࢺᖜࡢ
࡜ࡋ࡚ാࡃࠋAg ᒙࠊ⏺㠃ᒙࠊPEDOT:PSS ᒙࡣάᛶẚ㍑ᒙ࡟ᑐࡋ࡚ྠࡌഃ࡟࠶ࡾࠊࡑࡢ᢬ᢠࡣ Rv ࡟ẚ࡭࡚༑ศᑠࡉ࠸ࡓࡵࠊAg ᒙ࠿ࡽ PEDOT:PSS ᒙࡢ㛫࡟࠾ࡅࡿ㟁ᅽ㝆ୗࡣ↓ど࡛ࡁࡿ࡯࡝ᑠࡉ࠸ࠋࡇࢀࡀࠊ
HAXPES ᐃ࡟࠾࠸࡚ࣆ࣮ࢡࢩࣇࢺ㔞࡟㐪࠸ࡀぢࡽࢀ࡞࠿ࡗࡓ⌮⏤࡜⪃࠼ࡽࢀࡿࠋ௒ᅇࡢ ᐃ࡛ࡣ᳨ฟ⠊ᅖࡀ PEDOT:PSS ᒙࡲ࡛ࡔࡗࡓࡓࡵࠊ㟁ᅽィࢆධࢀࡓᅇ㊰࡛ࡣᕪࡀぢࡽࢀ࡞࠿ࡗࡓࠋ㟁ᴟ㹼ࣂࢵࣇ࢓࣮ᒙࡢ⌧㇟ࢆほ ࡍࡿࡓࡵ࡟ࡣࠊ㟁ᅽィࡢ௦ࢃࡾ࡟᢬ᢠࡢᑠࡉ࠸㟁ὶィࢆධࢀࢀࡤࡼ࠸࡜᥎ᐃࡉࢀࡿࠋ୍᪉ࠊάᛶᒙࡢෆ㒊࡟࠾ࡅࡿ㟁఩ศᕸ࡞࡝ࡢ⌧㇟ࢆほ ࡍࡿሙྜࡣࠊᅗ 6(c)ࡢࢭࢵࢸ࢕ࣥࢢ࡛ྍ⬟࡜⪃࠼ࡽࢀࡿࠋ

ᅗ 6㸬(a) ග↷ᑕୗ࡛ࡢ᭷ᶵⷧ⭷ኴ㝧㟁ụࡢ S 1s HAXPES ࢫ࣌ࢡࢺࣝࠊ(b) (a)ࡢ SO3 ࣆ࣮ࢡ఩⨨ࡀྜ࠺ࡼ࠺࡟ග↷ᑕ࡞ࡋ࡛ࡢࢫ࣌ࢡࢺࣝࢆᖹ⾜⛣ືࡋࡓࡶࡢࠊ(c) ᐃ⣔ࡢ➼౯ᅇ㊰䠉㻞㻝㻠䠉SPring-8/SACLA
Pring-8/SALCA ฼⏝◊✲ᡂᯝ㞟ཧ⪃ᩥ⊩㸸[1] K. Kobayashi et al., Appl. Phys. Lett. 83, 1005 (2003).
[2] Y. Takata et al, Nucl. Instrum. Methods Phys. Res., Sect. A 547, 50 (2005).
[3] S. Ueda, J. Electron Spectrosc. Relat. Phenom. 190, 235 (2013).
[4] 㝜ᆅᏹࡽ, J. Surf. Anal., 21, 121 (2015).
[5] ᒸᮏ⸅㸪㜿㒊ⰾᕭ㸪ୖ⏣ⱱ඾㸪⾲㠃⛉Ꮫ㸪37(8), 386 (2016).
[6] S. Tanuma, C. J. Powell, D. R. Penn, Surf. Interf. Anal. 21, 165 (1994).

(Received: September 28, 2018; Early edition: February 26, 2019,
Accepted: July 16, 2019; Published: August 29, 2019䠉㻞㻝㻡䠉Section
Section B