Evaluation of Optical Properties of Dye-sensitized Solar Cell Incorporating Mesoscopic Interfacial Roughness

结合介观界面粗糙度的染料敏化太阳能电池的光学性能评估

基本信息

  • 批准号:
    16360312
  • 负责人:
  • 金额:
    $ 9.47万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
  • 财政年份:
    2004
  • 资助国家:
    日本
  • 起止时间:
    2004 至 2006
  • 项目状态:
    已结题

项目摘要

Dye-sensitized solar cell (DSC) has usually a laminated structure. Optical energy loss due to the reflection at the interface is inevitable because of the difference in the intrinsic refractive index between mediums. The accumulation of these losses results in the considerable amount of the decrease of photo-electric conversion efficiency. In this study, the effect of mesoscopic interfacial rough-structure has been examined in a sense of optical impedance-matching due to the gradient-refractive index caused by the surface roughness.The structure concerned in a DSC is "air/ glass/ transparent conductive film (ITO electrode)/ dye adsorption TiO_2 film" and "Pt counter electrode". ITO and Pr films are prepared by the rf sputtering method. Optical properties of the specimens were measured using an ultraviolet-visible-near infrared spectrometer in the wavelength (λ) range of 0.24-2.60 μm. Surface morphology was observed using an atomic force microscope (AFM). Based on these observed data, the simulation of finite-difference time-domain (FDTD) method has been performed in a range of λ=0.4-1.0μm. The reductions of 3.6%, 0.5% and 0.5% in reflectance of respective roughened interfaces of air/ glass, glass/ ITO and ITO/ dye adsorption TiO_2 have been estimated. The roughened Pt film showed large diffusive reflectance.In this study, it has been confirmed that the suitable roughness is useful for the depression of reflectance at the interfaces in the DSC.
染料敏化太阳能电池(DSC)通常具有叠层结构。由于介质的本征折射率不同,界面反射引起的光能损失是不可避免的。这些损耗的累积导致了相当大的光电转换效率的下降。本研究从光学阻抗匹配的角度研究了介观界面粗糙结构的影响,DSC的结构是“空气/玻璃/透明导电膜(ITO电极)/染料吸附二氧化钛膜”和“铂对电极”。采用射频溅射方法制备了ITO和Pr薄膜。用紫外-可见-近红外光谱仪测量了样品在0.24-2.60μm波长范围内的光学性质,并用原子力显微镜观察了样品的表面形貌。基于这些观测数据,在λ=0.4-1.0μm的范围内进行了时域有限差分法模拟,估算了空气/玻璃、玻璃/ITO和ITO/染料吸附二氧化钛的粗糙界面的反射率分别降低了3.6%、0.5%和0.5%。在本研究中,适当的粗糙度有利于降低DSC中界面处的反射率。

项目成果

期刊论文数量(11)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Application of Finite-Difference Tine-Domain Method to Solar Light Absorption Coating of Al-N Films with Surface Roughness
有限差分细域法在表面粗糙Al-N薄膜太阳光吸收涂层中的应用
Three-Dimensional Finite-Difference Time-Domain Simulation of Optical Absorption Properties of A1-N Films with Mesoscopic Surface Roughness
具有介观表面粗糙度的A1-N薄膜光吸收特性的三维时域有限差分模拟
Three-Dimensional Finite-Difference Time-Domain Simulation of Optical Absorption Properties of Al-N Films with Mesoscopic Surface Roughness
具有细观表面粗糙度的Al-N薄膜光吸收特性的三维时域有限差分模拟
Controllability of Mesoscopic Surface Roughness of Sputtered Al and Al-N Films
溅射 Al 和 Al-N 薄膜细观表面粗糙度的可控性
Controllability of Mesoscopic Surface Roughness of Sputtered A1 and A1-N Films
溅射 A1 和 A1-N 薄膜细观表面粗糙度的可控性
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ISHIGURO Takashi其他文献

ISHIGURO Takashi的其他文献

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{{ truncateString('ISHIGURO Takashi', 18)}}的其他基金

Fabrication of microscopic infrared spectrum analysis system for in-situ observation of chemical reaction in the water
原位观察水中化学反应的显微红外光谱分析系统的研制
  • 批准号:
    23360282
  • 财政年份:
    2011
  • 资助金额:
    $ 9.47万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Investigation of the formation process of transparent conductive film by using superheated steam and/or water plasma jet
利用过热蒸汽和/或水等离子体射流形成透明导电膜的过程研究
  • 批准号:
    22656139
  • 财政年份:
    2010
  • 资助金额:
    $ 9.47万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
Fabrication of opto-functional AR coating for the solar spectrum by green chemistry process with water
通过水的绿色化学工艺制备太阳光谱光学功能增透膜
  • 批准号:
    20360292
  • 财政年份:
    2008
  • 资助金额:
    $ 9.47万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Development of Selective Solar Absorber Coating by・ Stratified Integration of Mesoscopic Structures
通过介观结构的分层集成开发选择性太阳能吸收涂层
  • 批准号:
    14550651
  • 财政年份:
    2002
  • 资助金额:
    $ 9.47万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Improvement in Systematized Photo-thermoelectric Energy Conversion Film by Controlling Mesoscopic Film Structure
通过控制介观薄膜结构改进系统化光热电能量转换薄膜
  • 批准号:
    12650658
  • 财政年份:
    2000
  • 资助金额:
    $ 9.47万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Formation of photo-thermoelectric energy conversion functional films by controlling film structure in nanometer scale.
通过纳米尺度控制薄膜结构形成光热电能量转换功能薄膜。
  • 批准号:
    10650649
  • 财政年份:
    1998
  • 资助金额:
    $ 9.47万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Control of magnetic properties of Invar alloy by using giant stress in thin films.
利用薄膜中的巨大应力控制因瓦合金的磁性能。
  • 批准号:
    08650765
  • 财政年份:
    1996
  • 资助金额:
    $ 9.47万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Formation of nanoconstriction in thin insulating films by applying electric field.
通过施加电场在绝缘薄膜中形成纳米收缩。
  • 批准号:
    06650723
  • 财政年份:
    1994
  • 资助金额:
    $ 9.47万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)

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Precise Modeling and Rendering of the surface of objects with mesoscopic structure
具有介观结构的物体表面的精确建模和渲染
  • 批准号:
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Microwave Processing of Functional Materials with Mesoscopic Structure
介观结构功能材料的微波加工
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通过夹杂物颗粒精细分散控制超级金属的细观结构
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