KR100924515B1 - 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법 - Google Patents
가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법 Download PDFInfo
- Publication number
- KR100924515B1 KR100924515B1 KR1020080018415A KR20080018415A KR100924515B1 KR 100924515 B1 KR100924515 B1 KR 100924515B1 KR 1020080018415 A KR1020080018415 A KR 1020080018415A KR 20080018415 A KR20080018415 A KR 20080018415A KR 100924515 B1 KR100924515 B1 KR 100924515B1
- Authority
- KR
- South Korea
- Prior art keywords
- titanium oxide
- anatase titanium
- visible light
- photocatalyst
- producing
- Prior art date
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000004408 titanium dioxide Substances 0.000 title 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 59
- 230000008569 process Effects 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 29
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 26
- 239000011737 fluorine Substances 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 239000012024 dehydrating agents Substances 0.000 claims abstract description 17
- 150000002016 disaccharides Chemical class 0.000 claims abstract description 15
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims abstract description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 25
- 239000011261 inert gas Substances 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 230000004298 light response Effects 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 4
- 229930006000 Sucrose Natural products 0.000 claims description 4
- 239000005720 sucrose Substances 0.000 claims description 4
- GUBGYTABKSRVRQ-XLOQQCSPSA-N Alpha-Lactose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 claims description 3
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 claims description 3
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 239000008101 lactose Substances 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 238000001782 photodegradation Methods 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 12
- 239000013078 crystal Substances 0.000 description 10
- 229910010413 TiO 2 Inorganic materials 0.000 description 9
- 239000000126 substance Substances 0.000 description 7
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 4
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229960000907 methylthioninium chloride Drugs 0.000 description 4
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000003682 fluorination reaction Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000490 cosmetic additive Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- -1 super oxide anions Chemical class 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/009—Preparation by separation, e.g. by filtration, decantation, screening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/04—Mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/22—Halogenating
- B01J37/26—Fluorinating
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (11)
- (1) 아나타제 산화티탄에 이당류 물질을 혼합하는 단계;(2) 상기 '단계 (1)'의 과정을 통하여 얻어진 혼합물에 탈수제를 첨가하는 단계;(3) 상기 '단계 (2)'의 과정을 통하여 얻어진 혼합물을 가열하여 탈수반응을 시키는 단계;(4) 상기 '단계 (3)'의 과정을 통하여 얻어진 물질에 포함되어 있는 불순물을 제거하기 위하여 물로 여과하는 단계;(5) 상기 '단계 (4)'의 과정을 통하여 얻어진 물질을 건조하는 단계; 및(6) 상기 '단계 (5)'의 과정을 통하여 얻어진 물질을 불소 처리하는 단계를 포함하여 이루어지는 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항에 있어서,상기 '단계 (1)'의 아나타제 산화티탄에 이당류 물질을 혼합하는 과정에서의 혼합비는 아나타제 산화티탄 100중량부를 기준으로 이당류 1 내지 100 중량부인 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항 내지 제2항의 어느 한 항에 있어서,상기 이당류 물질은 수크로오스, 락토오스 및 이들의 혼합물로 이루어진 군으로부터 선택되는 것임을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항에 있어서,상기 '단계 (2)'의 상기 '단계 (1)'의 과정을 통하여 얻어진 혼합물에 탈수제를 첨가하는 과정에서의 혼합비는 상기 혼합물 100 중량부를 기준으로 탈수제 10 내지 50 중량부인 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항 또는 제4항의 어느 한 항에 있어서,상기 탈수제는 황산, 아세트산무수물, 프탈산무수물, 말레산무수물 및 이들의 혼합물로 이루어진 군으로부터 선택되는 것임을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항에 있어서,상기 '단계 (3)'의 상기 '단계 (2)'의 과정을 통하여 얻어진 혼합물을 가열하여 탈수반응을 시키는 과정은 70 내지 200℃의 온도에서 1 내지 4 시간 동안 이루어지는 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항에 있어서,상기 '단계 (5)'의 상기 '단계 (4)'의 과정을 통하여 얻어진 물질을 건조하는 과정은 100 내지 200℃의 온도에서 1 내지 4 시간 동안 이루어지는 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항에 있어서,상기 '단계 (6)'의 상기 '단계 (5)'의 과정을 통하여 얻어진 물질을 불소 처리하는 과정은 상온에서 불소와 비활성 가스의 혼합가스를 사용하여 이루어지며,상기 불소와 비활성 가스의 혼합비율은 10 내지 20 : 90 내지 80 vol%인 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제8항에 있어서,상기 불소와 비활성 가스의 혼합가스의 압력은 0.1 내지 5 기압인 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제8항에 있어서,상기 비활성 가스는 질소, 아르곤, 헬륨 및 이들의 혼합물로 이루어진 군으로부터 선택되는 것임을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항의 방법에 의하여 제조되는 가시광선 응답형 아나타제 산화티탄 광촉매.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080018415A KR100924515B1 (ko) | 2008-02-28 | 2008-02-28 | 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080018415A KR100924515B1 (ko) | 2008-02-28 | 2008-02-28 | 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090093084A KR20090093084A (ko) | 2009-09-02 |
KR100924515B1 true KR100924515B1 (ko) | 2009-11-02 |
Family
ID=41301605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080018415A KR100924515B1 (ko) | 2008-02-28 | 2008-02-28 | 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100924515B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101206489B1 (ko) | 2010-11-02 | 2012-11-30 | 충남대학교산학협력단 | 가시광 응답형 아나타제-브루카이트 혼성형 이산화티탄 광촉매의 제조방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101341134B1 (ko) * | 2012-02-29 | 2013-12-13 | 충남대학교산학협력단 | 가시광 응답형 이산화티탄 광촉매 및 이의 제조방법 |
KR101437557B1 (ko) * | 2012-07-19 | 2014-09-15 | 한국과학기술원 | 흑연 구조의 탄소막을 코팅한 반도체 광촉매 및 제조방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000126616A (ja) | 1998-10-23 | 2000-05-09 | Sumitomo Metal Mining Co Ltd | 触媒担持用球形担体の製造方法 |
WO2003072661A1 (fr) * | 2002-02-27 | 2003-09-04 | Sustainable Titania Technology Incorporated | Solution pour former un film photocatalyseur ultra-hydrophile, structure comportant ce film et procede de production de celui-ci |
KR20040066180A (ko) * | 2001-12-21 | 2004-07-23 | 쇼와 덴코 가부시키가이샤 | 고활성 광촉매 입자, 그의 제조 방법 및 그의 용도 |
-
2008
- 2008-02-28 KR KR1020080018415A patent/KR100924515B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000126616A (ja) | 1998-10-23 | 2000-05-09 | Sumitomo Metal Mining Co Ltd | 触媒担持用球形担体の製造方法 |
KR20040066180A (ko) * | 2001-12-21 | 2004-07-23 | 쇼와 덴코 가부시키가이샤 | 고활성 광촉매 입자, 그의 제조 방법 및 그의 용도 |
WO2003072661A1 (fr) * | 2002-02-27 | 2003-09-04 | Sustainable Titania Technology Incorporated | Solution pour former un film photocatalyseur ultra-hydrophile, structure comportant ce film et procede de production de celui-ci |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101206489B1 (ko) | 2010-11-02 | 2012-11-30 | 충남대학교산학협력단 | 가시광 응답형 아나타제-브루카이트 혼성형 이산화티탄 광촉매의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20090093084A (ko) | 2009-09-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Zaleska | Doped-TiO2: a review | |
Irandost et al. | Fabrication of highly visible active N, S co-doped TiO2@ MoS2 heterojunction with synergistic effect for photocatalytic degradation of diclofenac: mechanisms, modeling and degradation pathway | |
Chen et al. | Photoactivity and stability of Ag2WO4 for organic degradation in aqueous suspensions | |
Takeuchi et al. | Preparation of visible-light-responsive titanium oxide photocatalysts by plasma treatment | |
Umebayashi et al. | Visible light-induced degradation of methylene blue on S-doped TiO2 | |
Dong et al. | Band structure and visible light photocatalytic activity of multi-type nitrogen doped TiO2 nanoparticles prepared by thermal decomposition | |
Dozzi et al. | Photocatalytic activity of S-and F-doped TiO 2 in formic acid mineralization | |
Paula et al. | Unraveling the photocatalytic properties of TiO 2/WO 3 mixed oxides | |
Chen et al. | Origin of the visible-light photoactivity of NH3-treated TiO2: Effect of nitrogen doping and oxygen vacancies | |
JP5156009B2 (ja) | 酸化チタン光触媒及びその製造方法 | |
Oropeza et al. | Electronic basis of visible region activity in high area Sn-doped rutile TiO 2 photocatalysts | |
Sharma et al. | Photodegradation of dye pollutant under UV light by nano-catalyst doped titania thin films | |
TWI476043B (zh) | 光觸媒材料及其製造方法 | |
US20150111724A1 (en) | Visible light responsive photocatalyst by hydrophilic modification using polymer material and a method for preparing the same | |
Ai et al. | NO treated TiO2 as an efficient visible light photocatalyst for NO removal | |
Channei et al. | Photocatalytic degradation of dye using CeO2/SCB composite catalysts | |
Dawson et al. | Influence of calcination parameters on the synthesis of N-doped TiO2 by the polymeric precursors method | |
Dolat et al. | Preparation of photoactive nitrogen-doped rutile | |
JP4639355B2 (ja) | 可視光応答型光触媒の製造方法 | |
Lim et al. | Synthesis of CdSe-TiO 2 photocatalyst and their enhanced photocatalytic activities under UV and visible light | |
KR101798129B1 (ko) | 금속산화물의 환원방법 및 이를 이용한 환원된 타이타니아의 제조방법 | |
Sane et al. | Enhancing solar photocatalytic activity of Bi5O7I photocatalyst with activated carbon heterojunction | |
KR100924515B1 (ko) | 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법 | |
Hamdan et al. | Photocatalytic degradation of synthetic sulfur pollutants in petroleum fractions under different pH and photocatalyst | |
KR101206489B1 (ko) | 가시광 응답형 아나타제-브루카이트 혼성형 이산화티탄 광촉매의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121005 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20130926 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20140930 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20151001 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20160928 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20170927 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20180921 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20190926 Year of fee payment: 11 |