KR20180028765A - 3층 구조를 갖는 탄소나노섬유 복합체 및 이의 제조방법 - Google Patents
3층 구조를 갖는 탄소나노섬유 복합체 및 이의 제조방법 Download PDFInfo
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 187
- 239000002134 carbon nanofiber Substances 0.000 title claims abstract description 170
- 239000002131 composite material Substances 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 30
- 239000011941 photocatalyst Substances 0.000 claims abstract description 69
- 238000006722 reduction reaction Methods 0.000 claims abstract description 41
- 230000003647 oxidation Effects 0.000 claims abstract description 36
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 17
- 239000004917 carbon fiber Substances 0.000 claims abstract description 17
- 238000009987 spinning Methods 0.000 claims abstract description 17
- 239000002243 precursor Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001523 electrospinning Methods 0.000 claims abstract description 8
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 7
- 238000010000 carbonizing Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 41
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 claims description 39
- 229910052980 cadmium sulfide Inorganic materials 0.000 claims description 39
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 22
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 21
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 20
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 20
- 238000003763 carbonization Methods 0.000 claims description 18
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 10
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 10
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 239000005083 Zinc sulfide Substances 0.000 claims description 9
- 239000002121 nanofiber Substances 0.000 claims description 9
- 239000002105 nanoparticle Substances 0.000 claims description 9
- 229910001925 ruthenium oxide Inorganic materials 0.000 claims description 9
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 claims description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Substances C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052984 zinc sulfide Inorganic materials 0.000 claims description 9
- 230000005684 electric field Effects 0.000 claims description 7
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- 239000004408 titanium dioxide Substances 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 229920000128 polypyrrole Polymers 0.000 claims description 6
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910000152 cobalt phosphate Inorganic materials 0.000 claims description 5
- ZBDSFTZNNQNSQM-UHFFFAOYSA-H cobalt(2+);diphosphate Chemical compound [Co+2].[Co+2].[Co+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O ZBDSFTZNNQNSQM-UHFFFAOYSA-H 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 5
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- -1 polyvinyldifluoride Polymers 0.000 claims description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 4
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 28
- 239000001257 hydrogen Substances 0.000 description 28
- 229910052739 hydrogen Inorganic materials 0.000 description 28
- 230000000052 comparative effect Effects 0.000 description 18
- 239000003054 catalyst Substances 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000007606 doctor blade method Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000002114 nanocomposite Substances 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 238000006276 transfer reaction Methods 0.000 description 2
- SZEZXQQMWCCRCM-UHFFFAOYSA-L [C+2].[F-].[F-] Chemical compound [C+2].[F-].[F-] SZEZXQQMWCCRCM-UHFFFAOYSA-L 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
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- C02F1/00—Treatment of water, waste water, or sewage
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Abstract
Description
도 2은 본 발명의 비교예 및 실시예에 따른 (광)촉매 층이 코팅된 3층 구조의 탄소나노섬유 복합체의 X-선 회절 분석 결과를 나타낸 것이다.
도 3은 본 발명의 비교예 및 실시예에 따른 (광)촉매 층이 코팅된 3층 구조의 탄소나노섬유 복합체의 가시광 빛 조사에 따른 수소 생성량을 비교하여 나타낸 것이다.
도 4은 본 발명의 실시예에 따라 제조된 (광)촉매 층이 코팅된 3층 구조의 탄소나노섬유 복합체의 탄소나노섬유 두께에 따른 저항값을 비교하여 나타낸 것이다.
도 5는 본 발명의 실시예에 따라 제조된 (광)촉매 층이 코팅된 3층 구조의 탄소나노섬유 복합체의 탄소나노섬유 두께에 따른 가시광 조사 하에서 3시간 동안의 수소 생성량을 비교하여 나타낸 것이다.
도 6은 본 발명에 따른 3층 구조를 갖는 탄소나노섬유 복합체의 모식도를 나타낸 것이다.
| 비교예1 | 비교예2 | 비교예3 | 실시예 1 | 실시예 2 | |
| CdS | × | × | ○ | ○ | ○ |
| 탄소나노섬유 | ○ | ○ | ○ | ○ | ○ |
| 탄화온도 (℃) | 1400 | 1400 | 1400 | 1400 | 1100 |
| Pt-TiO2 | × | ○ | × | ○ | ○ |
| 제조된 탄소나노복합체 |
CNF | CNF/Pt-TiO2 | CdS/CNF | CdS/CNF/Pt-TiO2 | CdS/CNF/Pt-TiO2 |
Claims (19)
- 탄소나노섬유;
탄소나노섬유의 한쪽 표면에 형성된 빛을 흡수할 수 있는 광촉매층; 및
탄소나노섬유의 다른쪽 표면에 형성된 물의 산화 또는 환원반응을 일으키는 광촉매층;을 포함하는,
3층 구조를 갖는 탄소나노섬유 복합체. - 제1항에 있어서,
상기 탄소나노섬유는 매트 형태인 것을 특징으로 하는 3층 구조를 갖는 탄소나노섬유 복합체. - 제1항에 있어서,
상기 탄소나노섬유의 평균 두께는 200~1500um이고, 상기 빛을 흡수할 수 있는 광촉매층의 평균 두께는 50~150um이고, 상기 물의 산화 또는 환원반응을 일으키는 광촉매층의 평균 두께는 150~250um인 것을 특징으로 하는 3층 구조를 갖는 탄소나노섬유 복합체. - 제1항에 있어서,
상기 빛을 흡수할 수 있는 광촉매층은 헥사고날(hexagonal)구조를 갖는 것을 특징으로 하는 3층 구조를 갖는 탄소나노섬유 복합체. - 제1항에 있어서,
상기 물의 산화 또는 환원반응을 일으키는 광촉매층은 아나타제 결정상을 갖는 것을 특징으로 하는 3층 구조를 갖는 탄소나노섬유 복합체. - 제1항에 있어서,
상기 탄소나노섬유는 폴리아크릴로니트릴(PAN, Polyacrylonitrile),폴리메틸메타크릴레이트(PMMA, Polymethylmethacrylate), 폴리에틸렌옥사이드(PEO, Polyethylene oxide), 폴리비닐디플루오라이드(Polyvinyldifluoride) 및 폴리피롤(Polypyrrole) 중에서 선택되는 어느 하나의 탄소섬유전구체로부터 형성된 탄소나노섬유인 것을 특징으로 하는 3층 구조를 갖는 탄소나노섬유 복합체. - 제1항에 있어서,
상기 빛을 흡수할 수 있는 광촉매층은 CdS(Cadmium sulfide), modified TiO2 (Titanium dioxide), ZnS(Zinc sulfide) 또는 g-C3N4 (graphitic carbon nitride)인 것을 특징으로 하는 3층 구조를 갖는 탄소나노섬유 복합체. - 제1항에 있어서,
상기 물의 산화 또는 환원반응을 일으키는 광촉매층은 Pt-TiO2, Pt (Platinum nanoparticles), RuO (Ruthenium oxide) 또는 CoPi (Cobalt phosphate)인 것을 특징으로 하는 3층 구조를 갖는 탄소나노섬유 복합체. - 제1항 내지 제8항 중 어느 한 항에 따른 3층 구조를 갖는 탄소나노섬유 복합체를 포함하는 광촉매.
- (1) 탄소섬유전구체 재료 및 용매를 혼합하여 방사용액을 준비하는 단계;
(2) 상기 방사용액을 전기방사하여 탄소나노섬유를 수득하는 단계;
(3) 상기 탄소나노섬유를 가열하여 안정화시키는 단계;
(4) 상기 안정화된 탄소나노섬유를 질소가스 분위기 하에서 가열하여 탄화시키는 단계;
(5) 상기 탄화된 탄소나노섬유의 한쪽 표면에 빛을 흡수할 수 있는 광촉매층을 코팅하는 단계; 및
(6) 상기 탄화된 탄소나노섬유의 다른쪽 표면에 물의 산화 또는 환원반응을 일으키는 광촉매층을 코팅하는 단계를 포함하는,
3층 구조를 갖는 탄소나노섬유 복합체 제조방법. - 제10항에 있어서,
상기 (1) 단계의 탄소섬유전구체 재료는 폴리아크릴로니트릴(PAN, Polyacrylonitrile),폴리메틸메타크릴레이트(PMMA, Polymethylmethacrylate), 폴리에틸렌옥사이드(PEO, Polyethylene oxide), 폴리비닐디플루오라이드(Polyvinyldifluoride) 및 폴리피롤(Polypyrrole) 중에서 선택되는 어느 하나이며, 상기 방사용액 100중량%에 대하여 5~15중량%로 포함하는 것을 특징으로 하는 방법. - 제10항에 있어서,
상기 (1) 단계의 용매는 N,N-디메틸포름아미드(DMF,Dimethylformamide), 테트라하이드로퓨란(THF, Tetrahydrofuran), 감마부티로락톤(GBL, γ-butyroractone), N-메틸피롤리돈(N-Methyl pyrrolidone), 톨루엔(Toluene), 아세톤(Acetone) 및 디메틸아세트아미드(DMAc, Dimethyl acetamide) 중에서 선택된 하나 이상인 것을 특징으로 하는 방법. - 제10항에 있어서,
상기 (2) 단계의 전기방사는 15~25kV의 전기장 하에서 수행하는 것을 특징으로 하는 방법. - 제10항에 있어서,
상기 (3) 단계는 산소 분위기 하에서 200~250°C의 온도에서 20~40분 동안 가열하는 것을 특징으로 하는 방법. - 제10항에 있어서,
상기 (4) 단계의 탄화는 5 ~ 7 ℃/min 의 승온 속도로 700 ~ 800℃ 까지 온도를 높이고, 상기 700 ~ 800℃의 온도를 유지하면서 40 ~ 60분 동안 가열한 후, 다시 5 ~ 7℃/min 의 승온 속도로 1200 ~ 1600℃ 까지 온도를 높인 후, 상기 1200 ~ 1600℃의 온도를 유지하면서 60~70분 동안 가열하는 것을 특징으로 하는 방법. - 제10항에 있어서,
상기 (5) 단계의 빛을 흡수할 수 있는 광촉매층의 코팅은 CdS(Cadmium sulfide), modified TiO2 (Titanium dioxide), ZnS(Zinc sulfide) 또는 g-C3N4 (graphitic carbon nitride)을 탄소나노섬유의 한쪽 표면에 50~150um의 평균두께를 갖도록 코팅하는 것을 특징으로 하는 방법. - 제10항에 있어서,
상기 (6) 단계의 물의 산화 또는 환원반응을 일으키는 광촉매층의 코팅은 Pt-TiO2, Pt (Platinum nanoparticles), RuO (Ruthenium oxide) 또는 CoPi (Cobalt phosphate)을 탄소나노섬유의 다른쪽 표면에 150~250um의 평균두께를 갖도록 코팅하는 것을 특징으로 하는 방법. - 제10항에 있어서,
상기 빛을 흡수할 수 있는 광촉매층은 헥사고날(hexagonal)구조를 갖는 것을 특징으로 하는 방법. - 제10항에 있어서,
상기 물의 산화 또는 환원반응을 일으키는 광촉매층은 아나타제 결정상을 갖는 것을 특징으로 하는 방법.
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| CN109201102A (zh) * | 2018-09-28 | 2019-01-15 | 商丘师范学院 | 一种Z型异质结M-C3N4/CdS复合光催化剂的制备方法 |
| CN109622015A (zh) * | 2018-12-14 | 2019-04-16 | 哈尔滨理工大学 | 一种镉掺杂硫化锌/氮化碳的制备方法 |
| CN109647475A (zh) * | 2018-11-14 | 2019-04-19 | 中国地质大学(北京) | 一种g-C3N4/C复合光催化纤维材料及其制备方法 |
| CN110106632A (zh) * | 2019-05-07 | 2019-08-09 | 英鸿纳米科技股份有限公司 | 溶剂式纳米纤维膜的制备方法 |
| KR102115968B1 (ko) * | 2019-01-30 | 2020-05-27 | 재단법인대구경북과학기술원 | 프러시안 블루가 담지된 탄소나노섬유 전극의 제조방법 및 이를 이용한 방사성 세슘의 제거방법 |
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| CN109201102A (zh) * | 2018-09-28 | 2019-01-15 | 商丘师范学院 | 一种Z型异质结M-C3N4/CdS复合光催化剂的制备方法 |
| CN109201102B (zh) * | 2018-09-28 | 2021-08-13 | 商丘师范学院 | 一种Z型异质结M-C3N4/CdS复合光催化剂的制备方法 |
| CN109647475A (zh) * | 2018-11-14 | 2019-04-19 | 中国地质大学(北京) | 一种g-C3N4/C复合光催化纤维材料及其制备方法 |
| CN109622015A (zh) * | 2018-12-14 | 2019-04-16 | 哈尔滨理工大学 | 一种镉掺杂硫化锌/氮化碳的制备方法 |
| KR102115968B1 (ko) * | 2019-01-30 | 2020-05-27 | 재단법인대구경북과학기술원 | 프러시안 블루가 담지된 탄소나노섬유 전극의 제조방법 및 이를 이용한 방사성 세슘의 제거방법 |
| CN110106632A (zh) * | 2019-05-07 | 2019-08-09 | 英鸿纳米科技股份有限公司 | 溶剂式纳米纤维膜的制备方法 |
| CN113750826A (zh) * | 2020-06-03 | 2021-12-07 | 天津工业大学 | 一种光催化复合多孔膜的制备方法 |
| CN113750826B (zh) * | 2020-06-03 | 2022-11-25 | 天津工业大学 | 一种光催化复合多孔膜的制备方法 |
| CN114308100A (zh) * | 2021-12-20 | 2022-04-12 | 深圳技术大学 | 一种光催化剂及其制备方法与应用 |
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