[신소재공학]염료 감응형 태양전지(Dye Sensitized Solar Cell)
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추천 연관자료
- 목차
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1.개 요
2.역 사
3.원 리
4.개발동향
- 본문내용
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Michael Grätzel Professor at the Swiss Federal Institute of Technology in Lausanne, Switzerland. Michael Grätzel directs there the laboratory of photonics and interfaces. His laboratory initiated studies in the domain of nanocrystalline semiconductor particles and mesoporous oxide semiconductor films. These systems are applied in a variety of fields, e.g. biosensors,electrochromic displays and secondary lithium batteries. He discovered a new type of solar cell based on dyesensitized nanocrystalline films and is the inventor of the tandem cell for water cleavage by visible light. Prof. Grätzel, who is the author of 500 publications, two books and over 20 patents has been a visiting professor at several foreign universities, i.e. the University of California at Berkeley, the University of Tokyo, the Ecole National Superieur de Cachan in Paris, the Delft University of Technology. He has been a frequent guest scientist at the National Renewable Energy Laboratory (NREL) in Golden, Colorado. He has received numerous awards and honorary lectureships, including the millenium 2000 European price of innovation, the 2001 Faraday medal of the British Royal Society, the 2001 Dutch Havinga award and the 2002 IBC award in Supramolecular Science and Technology. In 1996 the University of Uppsala, Sweden, conferred to him a honorary doctors degree in recognition of his scientific achievements.
① 기판: 높은 광학 전송과 낮은 저항을 가지는 표준 TEC(투명전극전도체)유리
② titania 층: 10~20nm의 평균 입자 직경을 가지는 nanoporous
③ 염료: titania층에서 화학적으로 흡수
④ platinum 혹은 carbon과 같은 촉매: 산화 환원 과정에서 전자를 전달하기 위해 counter전 극으로 사용⑤ 산화 환원 중재자(전해질): working전극과 counter전극 사이에 전자의 흐름을 조절하기 위해 쓰임 ->전해질은 nittile solvent에서 일반적으로 요오드/트리요오드 산화 환원 쌍으로 구성
Excitation of dye under illumination (ns)
Electron injection (ps)
Electron transport (ms)
Regeneration of dye (10 ns)
Recombination with oxidized redox (ms)
Recombination with oxidized dye (s)
- 참고문헌
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나노 태양전지 기술 (성영은. BK21 화공사업단 소식지 Newsletter.Vol 5 No2.2004)
염료감응 태양전지의 기술개발동향 (박남규 외. NANO WEEKLY 제 159호 2005년 9월2일)
나노태양전지 (한국과학기술정보연구원. 2003년 12월)
PHOTOELECTROCHEMICAL CELL (M. Grätzel. NATURE. 414, 338-344. 2001)
Solar Cell to Dye for (M. Grätzel. NATURE. 421, 586-587. 2003)
High efficiency solid-state photovoltaic device due to inhibition of interface charge recombination (M. Grätzel et al. APPLIED PHYSICS LETTERS. Vol 79 No 13, 2085-2087. 2001)
Solid-state dye-sensitized mesoporous TiO2 solar cells with high photon-to-electron
conversion efficiencies (M. Grätzel. NATURE. 395, 583-585. 1998)
8. Dye-sensitized solar cells (M. Grätzel. Journal of Photochemistry and Photobiology C.
4, 145-153. 2003)
9. A stable quasi-solid-state dye-sensitized solar cell with an amphiphilic ruthenium
sensitizer and polymer gel electrolyte (M. Grätzel. NATURE materials. 2, 402-408.
2003)
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