Page 73 - 《精细化工》2023年第4期

す 4 ᱌ Ᲊܜᑧ喑ぶ: ბڲᓛ䛼㠜ㆨ VOCs ٶ⅔ࡃ䭺㼐יࡃݯ⮱ⵁ⾣䔈ᆂ g759g

ใ⮱ߖיࡃݯᲒᩦ઱ڣ㶕䲏ࣺᏁߕ߈႓ [71] ȡҸຯ喟

㏜Ⱕ g-C 3 N 4 ⩹䲏ࣺᏁ≨ᕔѺ◦ᄾ喑ᄩ㜡γ g-C 3 N 4
⮱ٶיࡃ≨ᕔѻ喑ౕ㷲䒪ߖיࡃݯⷠ䛼ၽ◦喍CQDs喎
ऻ喑g-C 3N 4/CQDs ڤᰶᰡ⽠Ⴧ⮱ᓛ㻯㐀Ჱ喑ٶיࡃ≨
ᕔΌ๔፲᣽ࡴ [72] ȡ䕇፥ᗲ̸ۢ喑㷲䒪व䔯⮱ߖיࡃ
ݯᲒ䭺ѻࣺᏁ⮱≨ࡃ㘪喑чҬיࡃ䭺㼐᩵⢴᭫㦄᣽倅ȡ

4 ٶיࡃ䭺㼐㠜ㆨ VOCs ⮱ᰭ᫝ⵁ⾣䔈ᆂ

䛾ᆋ⅔ࡃ➖יࡃ⮱ᰶᱧܳၽ䒙ࡃౕ㠜ㆨ VOCs
ࣨ䮑䶳ഌጟ㏼ࢍᢛͨᄩౝѺȡѳ፥㻱ٶיࡃᱽ᫆י
ࡃᕔ㘪ጛ喑䔘ҬϧЙᄦڣ䔈㵹̭㈨݄ᩦᕔȡⰛݺ喑
ϧЙᄦٶיࡃݯ⮱ᩦᕔͨ㺮䯳ౕ͚᣽倅ᄦٶ⮱॥ᩣ
হើݣٶ⩌䒪≮ၽ⮱ฺव䔆͑͗᫦䲏ȡ
4.1 ᣽倅ᄦٶ⮱॥ᩣ
䕇䓴ࢂ̭ᣧᱯᲒᑂڒ㑧䮤ᝃᩦअᮣᵩㆨಸजᰶ
᩵䭺ѻٶ⩌䒪≮ၽ⮱ฺव喑ᎣҬ॥ᩣፓाज㻮ٶࡧ
ࣾ⩌㏏⼨ȡᰶ្䖀⼝喑䕇䓴ٰࣹ㉍ᣧᱯजᰡ䔈̭ₒ
᣽倅ٶיࡃݯ⮱≨ᕔȡ䔯ᒀ⮱䛾ᆋ⻨ၽহ䲋䛾ᆋٰ
㉍ᝃ䲋䛾ᆋٰ㉍হ䛾ᆋ⻨ၽڞᣧᱯч̻יࡃݯ䬡ࣾ⩌
ࡼह҉⩕喑̺ѳ㘪᠀ცڣ॥ᩣ㠰డ喑䔅㘪䭺ѻ䒪≮ၽ⮱
ฺव⢴喑᝭В㺮℁ࢂٰ㉍ᣧᱯ㶕⣝ܧᰡᰶݖ⮱ᕔ㘪ȡ
CHEN ぶ [73] 䛴⩕⏣㘣-܊㘣∂ݣิγ Co হ I ڞ
ᣧᱯ⮱ Co-I-TiO 2 ٶיࡃݯȡCo হ I ⮱ᣧᱯ᭫㦄䭺

ѻγ TiO 2 ⮱ᮣㆿহፓ䯆喑Ꭳ෋ߍγ⅔⾧Ѻ喑Ҭ TiO 2
⮱ᮣᵩ㑧䮤হ℁㶕䲏⼜๔፲෋ߍȡౕጟⴒ⮱≸䄂㐀
᳉͚ࣾ⣝喑̻㏜ TiO 2 ȠI-TiO 2 হ Co-TiO 2 Ⱕ℁喑

Co-I-TiO 2 ᄦ⅁ᔮ㠜喍C 6 H 6 喎⮱䭺㼐ᕔ㘪ᰭສ喑㐀᳉
aÿࣺᏁᬣ䬡ͧ 1~7 min喠bÿࣺᏁᬣ䬡ͧ 9~21 min喠cÿࣺᏁᬣ
ຯఫ 6 ᝭⹧ȡౕज㻮ٶ̸喑Co-I-TiO 2 ٶיࡃݯᄦ⅁ᔮ 䬡ͧ 24~36 min喠dÿࣺᏁᬣ䬡ͧ 40~60 min喠eÿ̺हיࡃݯౕ
㠜⮱䭺㼐᩵⢴倅䓫 45.02%喑ᄦ㠜⮱ᰭ๔ࢂѺღ䛼ͧ ज㻮ٶ̸䭺㼐㠜⮱ࢂѺღ䛼
441.46 ȝg C 6 H 6 /(g·h)ȡ䔯ᒀ⮱ Co হ I ٰ㉍ڞᣧᱯҬ ఫ 6 יࡃݯౕज㻮ٶ̸⮱ٶיࡃᕔ㘪 [73]
Fig. 6 Photocatalytic performance of catalysts under visible
⺮ፓცᏓ䭺ѻ喑ٶ৺Ꮑ㠰డ᣽倅ȡCo-I-TiO 2 ͚倅℁ [73]
light
Ҹ⮱ࡃ႓॥䭱⅔ᰶݖλٶיࡃ䓴⼸⮱䔈㵹ȡܳጰౕ
TiO 2 ̷⮱ Co হ I ⮱̺हФᔮ㘪ᰶ᩵ᢂ㣤ٶ⩌⩢ၽ喑 ⵁ⾣ϧঅࣾ⣝喑ᣧᱯजᰶ᩵ព๔㏠ㆠٶיࡃݯ
ӰҬٶ⩌⩢ၽ̻⾧⾡⮱ܳ⻨ȡₑใ喑ڞᣧᱯҀ㈨ज ⮱ٶ৺Ꮑ㠰డ喑Ꭳើݣٶ⩌⩢ၽ-⾧⾡ᄦ⮱ฺव喑Ӱ
Вᐣ䪬ٶ⩌䒪≮ၽ⮱ᄬপ喑㣤ᓄ倅᩵⮱ٶיࡃ㘪߈喑 Ҭ㠜ㆨ VOCs ⮱䭺㼐喑ѳٶיࡃݯ⮱☚⽠ჇᕔȠ⾧
䔆᭜ Co-I-TiO 2 ٶיࡃݯיࡃ᩵⢴෋๔⮱࣌఍ȡ ⾡⮱⅔ࡃ㘪߈ぶ䘪чऄݝ͒䛺ᒞ৺ȡ
4.2 ើݣٶ⩌䒪≮ၽ⮱ฺव
4.2.1 䉢䛾ᆋ↶⼜
ౕ፥㻱ٶיࡃݯ㶕䲏↶⼜ PtȠPdȠRhȠAuȠ
Ag ぶ䉢䛾ᆋ⮱᫦∂ጟ㷘Ꭼ∈Ҭ⩕ȡڣ࣌⤳᭜఍ͧ䉢
䛾ᆋ̻יࡃݯ⮱䉦ㆠ㘪㏔ᰶጛᐯ喑᝭Вι㔲͸䬡ч
ᒏ᜽ Schottky 㘪ಿ喑Ӱ䔈ٶ⩌䒪≮ၽ⮱ܳ⻨ȡ
WANG ぶ [74] ⵁ⾣γᵥภ㐀Ჱ Au@TiO 2 יࡃݯ
喍Au@TiO 2 -CS喎হ㯸叱ภ㐀Ჱ Au@TiO 2 יࡃݯ
喍Au@TiO 2 -YS喎ౕज㻮ٶ̸ᄦ⩟㠜⮱ٶיࡃ≨ᕔȡ
3+
ڣ͚喑Au ㏠ㆠㆿၽ喍NPs喎ᣒᩣ TiO 2 হ Ti ⮱⩢ၽ