Panchromatic Photon-Harvesting by Hole-Conducting Materials in Inorganic–Organic Heterojunction Sensitized-Solar Cell through the Formation of Nanostructured Electron Channels
Nano Letters2012Vol. 12(4), pp. 1863–1867
Citations Over TimeTop 1% of 2012 papers
Jeong Ah Chang, Sang Hyuk Im, Yong Hui Lee, Tae Whan Kim, Choong-Sun Lim, Jin Hyuk Heo, Sang Il Seok
Abstract
Additional photon-harvesting by hole transporting materials in Sb(2)S(3)-sensitized solar cell is demonstrated through the formation of electron channels in the hole transporter such as P3HT (poly(3-hexylthiophene)) and PCPDTBT(poly(2,6-(4,4-bis-(2-ethylhexyl)-4H-cyclopenta[2,1-b;3,4-b']dithiophene)-alt-4,7(2,1,3-benzothiadiazole)) that can act as both a hole conductor and light absorber. As a result, the short-circuit current density is improved with an increment in overall efficiency. These findings provide new insights into use of light-absorbing conjugated polymers as a hole conductor in the inorganic-organic heterojunction sensitized solar cells.
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