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RISS 인기검색어
- 검색키워드
- 저자 : Michael Gr?tzel (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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ORGANOMETAL HALIDE PEROVSKITE PHOTOVOLTAICS: A DIAMOND IN THE ROUGH
Michael Grätzel,박남규 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2014 NANO Vol.9 No.5
The sun ¯nds a diamond in the rough, which is the organo-metal halide perovskite. Thanks toexceptional optoelectronic characteristics, solar cells employing perovskite demonstrated ¯rst apower conversion e±ciency (PCE) of 9.7% in the middle of 2012, which rose steeply to anamazing 16% at the end of 2013. Perovskite-based photovoltaics have several advantages overconventional semiconductor p-n junction devices because high e±ciency can be achieved fromsub-micrometer-thick very cheap perovskite layers that can be formed by solution processing attemperatures below 150?C, rendering the perovskite solar cell versatile in its application. If photo- and thermal stability as well as tolerance to humidity can be achieved, commercialapplication on the large scale appear to be feasible.
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High-Performance Nanostructured Inorganic−Organic Heterojunction Solar Cells
Chang, Jeong Ah,Rhee, Jae Hui,Im, Sang Hyuk,Lee, Yong Hui,Kim, Hi-jung,Seok, Sang Il,Nazeeruddin, Md. K.,Gratzel, Michael American Chemical Society 2010 NANO LETTERS Vol.10 No.7
<P>We report all solid-state nanostructured inorganic−organic heterojunction solar cells fabricated by depositing Sb<SUB>2</SUB>S<SUB>3</SUB> and poly(3-hexylthiophene) (P3HT) on the surface of a mesoporous TiO<SUB>2</SUB> layer, where Sb<SUB>2</SUB>S<SUB>3</SUB> acts as an absorbing semiconductor and P3HT acts as both a hole conductor and light absorber. These inorganic−organic light harvesters perform remarkably well with a maximum incident-photon-to-current efficiency (IPCE) of 80% and power conversion efficiency of 5.13% under air-mass 1.5 global (AM 1.5G) illumination with the intensity of 100 mW cm<SUP>−2</SUP>. These devices are highly stable under room light in air, even without encapsulation. The present findings offer novel directions for achieving high-efficiency solid-state solar cells by hybridization of inorganic−organic light harvesters and hole transporters.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/nalefd/2010/nalefd.2010.10.issue-7/nl101322h/production/images/medium/nl-2010-01322h_0003.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nl101322h'>ACS Electronic Supporting Info</A></P>
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