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The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Mesoscopic CH3NH3PbI3/TiO2Heterojunction Solar Cells

Open access
Etgar, Lioz, Gao, Peng, Xue, Zhaosheng, Peng, Qin, Chandiran, Aravind Kumar, Liu, Bin, Nazeeruddin, Md. K., Grätzel, Michael·2012·Journal of the American Chemical Society

Abstract

We report for the first time on a hole conductor-free mesoscopic methylammonium lead iodide (CH(3)NH(3)PbI(3)) perovskite/TiO(2) heterojunction solar cell, produced by deposition of perovskite nanoparticles from a solution of CH(3)NH(3)I and PbI(2) in γ-butyrolactone on a 400 nm thick film of TiO(2) (anatase) nanosheets exposing (001) facets. A gold film was evaporated on top of the CH(3)NH(3)PbI(3) as a back contact. Importantly, the CH(3)NH(3)PbI(3) nanoparticles assume here simultaneously the roles of both light harvester and hole conductor, rendering superfluous the use of an additional hole transporting material. The simple mesoscopic CH(3)NH(3)PbI(3)/TiO(2) heterojunction solar cell shows impressive photovoltaic performance, with short-circuit photocurrent J(sc)= 16.1 mA/cm(2), open-circuit photovoltage V(oc) = 0.631 V, and a fill factor FF = 0.57, corresponding to a light to electric power conversion efficiency (PCE) of 5.5% under standard AM 1.5 solar light of 1000 W/m(2) intensity. At a lower light intensity of 100W/m(2), a PCE of 7.3% was measured. The advent of such simple solution-processed mesoscopic heterojunction solar cells paves the way to realize low-cost, high-efficiency solar cells.

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Metadata

Authors
Etgar, L., Gao, P., Xue, Z., Peng, Q., Chandiran, A. K., Liu, B., Nazeeruddin, M. K., & Grätzel, M.
Venue
Journal of the American Chemical Society
Published
2012-10-11
Volume
134
Issue
42
Pages
17396-17399
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W1766513776
Cited by
1,946
References
1
FWCI
109.88
Type
journal article
Language
en
Open access
green

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