CN112768252A - 一种二硫化铁纳米片对电极及其应用 - Google Patents
一种二硫化铁纳米片对电极及其应用 Download PDFInfo
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- NFMAZVUSKIJEIH-UHFFFAOYSA-N bis(sulfanylidene)iron Chemical compound S=[Fe]=S NFMAZVUSKIJEIH-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910000339 iron disulfide Inorganic materials 0.000 title claims abstract description 37
- 239000002135 nanosheet Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 6
- VVNCNSJFMMFHPL-VKHMYHEASA-N D-penicillamine Chemical compound CC(C)(S)[C@@H](N)C(O)=O VVNCNSJFMMFHPL-VKHMYHEASA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 229960001639 penicillamine Drugs 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 229910002660 P25‐TiO2 Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 3
- 239000011790 ferrous sulphate Substances 0.000 claims description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 3
- 239000011244 liquid electrolyte Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000007650 screen-printing Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000002055 nanoplate Substances 0.000 claims 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000004094 surface-active agent Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 18
- 229910052697 platinum Inorganic materials 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- INPLXZPZQSLHBR-UHFFFAOYSA-N cobalt(2+);sulfide Chemical compound [S-2].[Co+2] INPLXZPZQSLHBR-UHFFFAOYSA-N 0.000 description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- MEYVLGVRTYSQHI-UHFFFAOYSA-L cobalt(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Co+2].[O-]S([O-])(=O)=O MEYVLGVRTYSQHI-UHFFFAOYSA-L 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229940095991 ferrous disulfide Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2022—Light-sensitive devices characterized by he counter electrode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
本发明公开了一种二硫化铁纳米片对电极及其应用,是采用水热法,在不添加任何表面活性剂或导向剂的条件下制备出二硫化铁纳米片对电极,用于制备染料敏化太阳能电池。本发明制备过程简单,产品纯度高,通过其镜面反光效应可以增强光阳极对太阳光的二次吸收和利用,从而增加光电转换效率,更加有利于染料敏化太阳能电池室内应用的潜力。
Description
技术领域
本发明属于染料敏化太阳能电池技术领域,具体涉及一种二硫化铁纳米片对电极及其应用。
背景技术
染料敏化太阳电池由于其工艺简单、环境友好、制备过程能耗少、成本低廉并且弱光条件下效率高等优点,成为目前最有潜力在室内应用的太阳能电池。从目前研究结果来看,铂电极具有高催化活性和相对较低的超电势,是较早应用在染料敏化太阳能电池上的对电极。然而,由于铂的价格昂贵,储量稀少,极大地限制了染料敏化太阳能电池的大规模应用。硫化钴由于其形貌多样性,价格低廉,催化效率高等优点,被人们广泛研究用于替代铂电极,应用于染料敏化太阳能电池对电极中,但是,以往的方法中,硫化钴对电极或是制备步骤繁琐,或是固有的深色属性,极大的限制了其在室内太阳能电池领域的应用。
发明内容
本发明的目的在于提供一种二硫化铁纳米片对电极及其应用,其制备方法简单,制得的二硫化铁纳米片对电极可替代铂电极,用于制备性能优良的有利于室内应用的染料敏化太阳能电池。
为实现上述目的,本发明采用如下技术方案:
一种二硫化铁纳米片对电极在制备染料敏化太阳能电池的应用。其制备方法包括:将P25-TiO2粉末均匀分散在乙醇溶液中,得到TiO2浆体;利用丝网印刷方法将浆体涂在一块洁净的FTO导电玻璃上,525℃下烧结2h;将其浸渍在光敏染料溶液中24h后取出,与二硫化铁纳米片对电极和液态电解质溶液组装在一起,形成三明治结构的染料敏化太阳能电池。
所述二硫化铁纳米片对电极的制备方法,是采用水热法制备二硫化铁纳米片对电极。
其制备方法包括以下步骤:
1)将七水硫酸钴和D-青霉胺溶于乙二醇溶液中,混匀;
2)将所得混合溶液转移至聚四氟乙烯内衬中,放入一块洁净的ITO导电玻璃后装入反应釜;
3)经水热反应、洗涤、烘干,制得二硫化铁纳米片对电极。
所述混合溶液中七水硫酸钴和D-青霉胺的摩尔比为1:2。
所述ITO导电玻璃的规格为1.5cm×3cm。
所述水热反应的反应温度为200℃,反应时间24小时。
所述洗涤是分别以水和乙醇为溶剂,各洗三次。
所述烘干的温度为70℃。
本发明的显著优点在于:
(1)本发明二硫化铁纳米片对电极的制备方法简单,产品纯度高,其纳米薄片的形貌可以有利于电极与电解液的接触,促进电解液在电极表面进行快速还原反应。
(2)本发明利用简单的一步水热法,在不添加任何表面活性剂或导向剂的条件下制备纳米片状二硫化亚铁对电极,以N719钌改性染料为敏化剂组装的染料敏化太阳能电池,在100mW/cm2的光强、AM1.5条件下,其最高光电转换效率为5.83%。
(3)本发明首次提供了一种二硫化铁纳米片对电极用于组装成染料敏化太阳能电池。其原料价格低廉,制备方法简单方便,性能优异,可以替代铂电极作为染料敏化太阳能电池的对电极,从而降低应用的成本,具有较高的经济效益。
附图说明
图1为实施例制得的二硫化铁纳米片对电极的扫描电子显微镜图。
图2为采用实施例二硫化铁纳米片对电极制备的染料敏化太阳能电池的I-V特性曲线。
具体实施方式
一种二硫化铁纳米片对电极的制备方法,包括以下步骤:
1)将硫酸亚铁和D-青霉胺按摩尔比1:2溶于乙二醇溶液中,混匀;
2)将所得混合溶液转移至50ml聚四氟乙烯内衬中,放入一块规格为1.5cm×3cm的洁净ITO导电玻璃,放入反应釜后进行封装;
3)将封装好的反应釜放入200℃烘箱中反应24小时,取出,自然冷却至室温,分别以水和乙醇为溶剂各洗三次,再于70℃下烘干,制得二硫化铁纳米片对电极。
将所得二硫化铁纳米片对电极用于制备染料敏化太阳能电池,其制备方法包括:
1)将1g P25-TiO2粉末均匀分散在乙醇溶液中,得到TiO2浆体;
2)利用丝网印刷方法将浆体涂在一块洁净的FTO导电玻璃上,525℃下烧结2h;
3)将其浸渍在N719钌改性染料溶液中18h后取出,此时电极薄膜的颜色由白色变为深红色;再将其与二硫化铁纳米片对电极、液态电解质溶液组装在一起,形成三明治结构的染料敏化太阳能电池。
图1为本实施例制得的二硫化铁纳米片对电极的扫描电子显微镜图。
图2为本实施例制得的二硫化铁纳米片对电极制备的染料敏化太阳能电池的I-V特性曲线。
本实施例制得的染料敏化太阳能电池与铂电极制得的染料敏化太阳能电池,其电池效率如表1所示,其I-V特性曲线如图2所示。
表1硫化钴对电极与铂电极的电池效率
从表1和图2可以看出,利用二硫化铁纳米片对电极制得的染料敏化太阳能电池,其效率高,说明以二硫化铁纳米片对电极替代铂电极制备染料敏化太阳能电池是可行的;同时原料价格低廉,可降低染料敏化太阳能电池的生产成本,具有较高的经济效益。
以上所述仅为本发明的较佳实施例,凡依本发明申请专利范围所做的均等变化与修饰,皆应属本发明的涵盖范围。
Claims (9)
1.一种二硫化铁纳米片对电极的应用,其特征在于:将二硫化铁纳米片对电极用于制备染料敏化太阳能电池。
2.根据权利要求1所述二硫化铁纳米片对电极的应用,其特征在于:其制备方法包括:将P25-TiO2粉末均匀分散在乙醇溶液中,得到TiO2浆体;利用丝网印刷方法将浆体涂在一块洁净的FTO导电玻璃上,525℃下烧结2h;将其浸渍在光敏染料溶液中18h后取出,与二硫化铁纳米片对电极和液态电解质溶液组装在一起,形成三明治结构的染料敏化太阳能电池。
3.根据权利要求1或2所述二硫化铁纳米片对电极的应用,其特征在于:所述二硫化铁纳米片对电极采用水热法制得。
4.根据权利要求3所述二硫化铁纳米片对电极的应用,其特征在于:所述二硫化铁纳米片对电极的制备包括以下步骤:
1)将硫酸亚铁和D-青霉胺溶于乙二醇溶液中,混匀;
2)将所得混合溶液转移至聚四氟乙烯内衬中,放入一块洁净的ITO导电玻璃后装入反应釜;
3)经水热反应、洗涤、烘干,制得二硫化铁纳米片对电极。
5.根据权利要求4所述二硫化铁纳米片对电极的制备方法,其特征在于:所述混合溶液中硫酸亚铁和D-青霉胺的摩尔比为1:2。
6.根据权利要求4所述二硫化铁纳米片对电极的制备方法,其特征在于:所述ITO导电玻璃的规格为1.5cm×3cm。
7.根据权利要求4所述二硫化铁纳米片对电极的制备方法,其特征在于:所述水热反应的反应温度为200℃,反应时间24小时。
8.根据权利要求4所述二硫化铁纳米片对电极的制备方法,其特征在于:所述洗涤是分别以水和乙醇为溶剂,各洗三次。
9.根据权利要求4所述二硫化铁纳米片对电极的制备方法,其特征在于:所述烘干的温度为70℃。
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US20120073642A1 (en) * | 2010-09-24 | 2012-03-29 | Jinex Corporation Ltd. | Working electrode, method for fabricating the same and dye-sensitized solar cell containing the same |
US20130186465A1 (en) * | 2010-09-27 | 2013-07-25 | Ocean's King Lighting Science & Technology Co., Ltd. | Counter electrode for dye-sensitized solar cell and manufacturing method thereof |
US20140158186A1 (en) * | 2012-12-07 | 2014-06-12 | National Taiwan Normal University | Counter electrode and dys-sensitized solar cell using the same |
CN103985547A (zh) * | 2014-06-11 | 2014-08-13 | 福州大学 | 一种镜面状硫化镍纳米片对电极及其应用 |
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US20120073642A1 (en) * | 2010-09-24 | 2012-03-29 | Jinex Corporation Ltd. | Working electrode, method for fabricating the same and dye-sensitized solar cell containing the same |
US20130186465A1 (en) * | 2010-09-27 | 2013-07-25 | Ocean's King Lighting Science & Technology Co., Ltd. | Counter electrode for dye-sensitized solar cell and manufacturing method thereof |
US20140158186A1 (en) * | 2012-12-07 | 2014-06-12 | National Taiwan Normal University | Counter electrode and dys-sensitized solar cell using the same |
CN103985547A (zh) * | 2014-06-11 | 2014-08-13 | 福州大学 | 一种镜面状硫化镍纳米片对电极及其应用 |
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