Page 27 - 《精细化工》2023年第4期

す 4 ᱌ 䘚 ౠ喑ぶ: 䲆⩢㏧͊㏠ㆠ㏑㐡ౕ॥∏ᱽ͚᫆⮱Ꮑ⩕ g713g

⮱倅䶾ⷮᕔȠ๔⩢䭨⢴Ƞѻ᜽᱙ぶ➦◦喑ౕ GHz ᬣ喑ⵁ⾣̺हᥚ䙺̻ࣇᏓ㏱व⮱ࣹᅯ॥ᩣݯౕ
䶾⃢⮱ᓛ∏॥ᩣ᫦䲏ᓄݝγᎬ∈⮱ⵁ⾣ [62] ȡ䓾Ꭱ ௗ2~18 ௗGHz ڲ⮱॥ᩣᕔ㘪喑㐀᳉ຯఫ 6 ᝭⹧ȡजВ
Გ喑⩞ښ㻿䧮⅔ҀহڣЃ॥ᩣݯݣ᜽⮱ࣹᅯ॥∏ᱽ 㻯ᄌݝ喑ᬍ䃧᭜॥ᩣᅯ̻ࡦ䙺ᅯຯ҂㏱व䘪㶕⣝ܧ
̺᫆ϲजВ䔈̭ₒ᣽倅ࣺᄱᢌ㕄হ॥ᩣፓც喑㔹́ хᐯ⮱⩢ⷮ∏॥ᩣᕔ㘪ȡᒀ Co 2 Y MFs ͧ 0.9 mm喑
जВᰶ᩵ౝ䭺ѻ⊯ᅯ⮱䉕䛼হࣇᏓ喑जВౕ̭Ⴧ⼸ CNFs ͧ 1.15 mm ᬣ喍ఫ 6b喎ᰭᄼࣺᄱᢌ㕄⩇㜠䓫
Ꮣ̷䖬ٺ࣌໸⮱䧮⅔Ҁ॥∏ݯ䒰ѻ⮱ᓛ∏॥ᩣ᩵ ݝ–98.2 dBȡᒀ॥ᩣᅯͧ CNFs喑ࡦ䙺ᅯͧ Co 2 Y MFs
⢴হ䒰⾱⮱॥ᩣፓც喑Вࣷᴁ䴔ᕔጛぶ䬛䷅ȡ ᬣ݆㶕⣝ܧ䒰ც⮱॥ᩣ䶾ፓх߬喑㺳Ⰳ㏓ 80%⮱ X
GUAN ぶ [62] 䃫 䃎γ̭ ⻺᫝ ಸࣹ ᅯ॥ ᩣݯ ∏⃢喍8~12 ௗGHz喎হ᪡͗ Ku 䶾⃢喍12~18 ௗGHz喎ȡ
喍Co 2 Y/C喎喑䄒ᱽ᫆⩞ CNFs হ͚⾧ Co 2 Y ښ㻿䧮⅔ ज㻮喑็ᅯ⩢ⷮ∏॥ᩣᱽ᫆ڤᰶࢂᅯᱽ᫆᝭̺ڤิ
Ҁ䊲㏳㏑㐡喍MFs喎㏱᜽喑㶕⣝ܧхᐯ⮱ MA ᕔ㘪ȡ ⮱ᕔ㘪х߬喑हᬣ⩞λ᫦Ӭ⮱㏱वअࡃ喑जВ䦵ᄦ
В⤳ᘠᄩҀ喍PEC喎ͧ䒪Ҁ喑ౕᱽ᫆ᕨࣇᏓͧ 2 mm ̺हᗲۢևܧᰭສ⮱㏱वᥚ䙺ȡ

ఫ 6 В Co 2 Y MFs ͧࡦ䙺ᅯ喑CNFs ͧ॥ᩣᅯ㏱᜽⮱ࣹᅯ॥ᩣகౕ 2~18 GHz ڲ⮱ RL ᰟ㏬喍a喎ௗ喠ڤᰶᕿჇ CNFs ॥
ᩣᅯࣇᏓ喍1.15 mm喎⮱ࣹᅯ॥ᩣݯ⮱ RL ᰟ㏬喍b喎喠ڤᰶᕿჇ Co 2 Y MFs ࡦ䙺ᅯࣇᏓ喍0.85 mm喎⮱ࣹᅯ॥ᩣݯ
⮱ RL ᰟ㏬喍c喎喠В Co 2 Y MFs ͧ॥ᩣᅯ喑CNFs ͧࡦ䙺ᅯ㏱᜽⮱ࣹᅯ॥ᩣகౕ 2~18 GHz ڲ⮱ RL ᰟ㏬喍d喎喠ڤ
ᰶᕿჇ Co 2 Y MFs ॥ᩣᅯࣇᏓ喍1.75 mm喎⮱ࣹᅯ॥ᩣݯ⮱ RL ᰟ㏬喍e喎喠ڤᰶᕿჇ CNFs ࡦ䙺ᅯࣇᏓ喍0.25 mm喎
⮱ࣹᅯ॥ᩣݯ⮱ RL ᰟ㏬喍f喎 [62]
Fig. 6 RL curves of double-layer absorber composed of Co 2 Y MFs as matching layer and CNFs as absorption layer in 2~18 GHz
(a); RL curves of double layer absorber with constant CNFs absorption layer thickness (1.15 mm) (b); RL curves of
double layer absorber with constant Co 2 Y MFs matching layer thickness (0.85 mm) (c); RL curves of double layer
absorber composed of Co 2 Y MFs as absorption layer and CNFs as absorption matching layer in 2~18 GHz (d); RL
curves of double layer absorber with constant Co 2 Y MFs absorption layer thickness (1.75 mm) (e); RL curves of
double layer absorber with constant CNFs matching layer thickness (0.25 mm) (f) [62]

㮪♣็ᅯ॥∏ᱽ᫆ڤᰶ䒰ສ⮱ᕔ㘪㶕⣝喑ѳ䰭 㶕 2 ᝭⹧喑̻㏠ㆠ㏑㐡䔈㵹㐀व⮱ᱽౕ᫆ᰭѻࣺᄱ
㺮և๔䛼⮱ᱽ᫆ࡦ䙺হ䄰᪡喑Ⱋݺ䄒᫦䲏ⵁ⾣䔅̺ ᢌ㕄হ॥ᩣ䶾ც᫦䲏䘪ᰶ䒰ສ⮱ᕔ㘪᣽ࡴȡ䛾ᆋࣷ
์͝ჹȡ䓾ᎡᲒ喑Όᰶⵁ⾣ϧঅ᣽ܧγ̭⻺キᭀ⮱ ڣ⅔ࡃ➖⮱ⵁ⾣็䔶᠖ڤᰶⷮᕔ⮱䛾ᆋᝃव䛾喑ຯ
㑾⟣㐀Ჱ喑䕇䓴䲆⩢㏧͊হ૤⊯Ⱕ㐀व⮱᫦ᐼౕ㏑ 䧮Ƞ䧡Ƞ䩺ぶ喑ڣ͚䧮⅔Ҁᱽ᫆᭜ⵁ⾣ᰭͧᎬ∈Ƞ
㐡㛉̷౴࠭䉌䒪γ MOFs ䷄ㆿ [63] 喑ႹڕԊ⪆γ㏑㐡 Ꮑ⩕Фթ䒰๔⮱̭ㆨᱽ᫆ȡౕᓛ∏䶾⃢喑⩢ⷮ∏ᣒ
㛉⮱ᅯ⁎㐀Ჱহߌ㘪ᕔ喑हᬣ䖬ٺγ⌤व㏧͚͊ܧ 㼓䛾ᆋчᰶ䒰倅⮱ࣺᄱ⢴喑ѳज䕇䓴䧮⅔Ҁᱽ᫆喍⩞
⣝⮱㏧͊⋟ᕔ䉕ᩦअȠ૤๡ൢඋぶ䬛䷅喑ͧ็ᅯฺ λڣх㞜⩢ⷮᢌ㕄ᕔ㘪Вࣷѻ᏶⮱ݣ҉᜽᱙喎Ҭڣ
व㏠ㆠ㏑㐡॥∏ᱽ᫆⮱ݣิ᣽ӈγ᫝⮱ᕊ䌜ȡ ᜽ͧᰭڤᰶ჋䭲ᘼͶ⮱ⷮᕔϸ䉕喑ౕᄼಸࡃகУ͚
㐩̷᝭䔝喑Ⱋݺపڲใᄦ䲆⩢㏧͊㏠ㆠ㏑㐡ౕ Ꭼ∈Ҭ⩕ȡहᬣ喑ͧγٸ᰺䛾ᆋࣷڣ⅔ࡃ➖ฺౕव
॥∏ᱽ͚᫆⮱Ꮑ⩕ጟ㏼ःᓄ䪬䋠⮱䔈ₒ喑䕇䓴ᄳ̺ ㏑㐡䉌䒪䛼๔喑ᢌ㕄ᒏᐼࢂ̭ぶ䬛䷅喑ౕ᱗Გ⮱ⵁ
हᕔ㘪⮱॥ᩣݯ̻㏠ㆠ㏑㐡䔈㵹ฺव喑ٲܳࣾᡒऱ ⾣͚喑чा㏠ㆠ㏔䊲㏳ㆶВࣷᒏ䆹䄰ᣔ⮱᫦ाࣾᆂ喠
㜗⮱х◦喑Ხ๔ౝ෋ᑧγ॥∏ᱽ᫆⮱㐩वᕔ㘪ȡຯ ⷠ㏠ㆠᱽ̻᫆ᄩ⩢㖇व➖็⩕Გ䄰㞯ฺवᱽ᫆⮱⩢