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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.12
- 수록면
- 1 - 7 (7page)
- DOI
- 10.1186/s40580-016-0093-7
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초록· 키워드
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As metal nanostructures demonstrated extraordinary plasmon resonance, their optical characteristics have widely been investigated in photo-electronic applications. However, there has been no clear demonstration on the location effect of plasmonic metal layer within the photoanode on both optical characteristics and photovoltaic performances. In this research, the gold (Au) nano-islands (NIs) film was embedded at different positions within the TiO2 nanoparticulate photoanode in dye-sensitized solar cells (DSSC) to check the effect of plasmon resonance location on the device performance; at the top, in the middle, at the bottom of the TiO2 photoanode, and also at all the three positions. The Au NIs were fabricated by annealing a Au thin film at 550 °C. The DSSC having the Au NIs-embedded TiO2 photoanode exhibited an increase in short circuit currents (Jsc) and power conversion efficiency (PCE) owing to the plasmon resonance absorption. Thus, the PCE was increased from 5.92% (reference: only TiO2 photoanode) to 6.52% when the Au NIs film was solely positioned at the bottom, in the middle or at the top of TiO2 film. When the Au NIs films were placed at all the three positions, the Jsc was increased by 16% compared to the reference cell, and consequently the PCE was further increased to 7.01%.
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참고문헌 (20)
참고문헌 신청
E. Yablonovitch / 1982 / Intensity enhancement in textured optical sheets for solar cells / IEEE Trans. Electron. Devices 29:300~305
H. Choi / 2012 / Know thy nano neighbor, Plasmon versus electron charging effects of metal nanoparticles in dye-sensitized solar cells / ACS. Nano 6:4418~4427
X. Li / 2013 / Efficiency enhancement of organic solar cells by using shape-dependent broadband plasmon absorption in metallic nanoparticles / Adv. Funct. Mater 23:2728~2735
L. Liu / 2011 / TiO2 inverse-opal electrode fabricated by atomic layer deposition for dye-sensitized solar cell applications / Energy. Environ. Sci 4:209~215
Y. C. Yen / 2015 / Plasmon-induced efficiency enhancement in dye-sensitized solar cell by a 3D TNW-AuNP layer / ACS. Appl. Mater. Inter 7:1892~1898
H. Choi / 2012 / Know thy nano neighbor, Plasmon versus electron charging effects of metal nanoparticles in dye-sensitized solar cells / ACS. Nano 6:4418~4427
X. Li / 2013 / Efficiency enhancement of organic solar cells by using shape-dependent broadband plasmon absorption in metallic nanoparticles / Adv. Funct. Mater 23:2728~2735
L. Liu / 2011 / TiO2 inverse-opal electrode fabricated by atomic layer deposition for dye-sensitized solar cell applications / Energy. Environ. Sci 4:209~215
Y. C. Yen / 2015 / Plasmon-induced efficiency enhancement in dye-sensitized solar cell by a 3D TNW-AuNP layer / ACS. Appl. Mater. Inter 7:1892~1898
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