Rationally Designed Donor-Acceptor Random Copolymers with Optimized Complementary Light Absorption for Highly Efficient All-Polymer Solar Cells

Cited 30 time in webofscience Cited 0 time in scopus
  • Hit : 445
  • Download : 0
Most of the high-performance all-polymer solar cells (all-PSCs) reported to date are based on polymer donor and polymer acceptor pairs with largely overlapped light absorption properties, which seriously limits the efficiency of all-PSCs. This study reports the development of a series of random copolymer donors possessing complementary light absorption with the naphthalenediimide- based polymer acceptor P(NDI2HD-T2) for highly efficient all-PSCs. By controlling the molar ratio of the electron-rich benzodithiophene (BDTT) and electron-deficient fluorinated-thienothiophene (TT-F) units, a series of polymer donors with BDTT: TT-F ratios of 1: 1 (P1), 3: 1 (P2), 5: 1 (P3), and 7: 1 (P4) are prepared. The synthetic control of polymer composition allows for precise tuning of the light absorption properties of these new polymer donors, enabling optimization of light absorption properties to complement those of the P(NDI2HD-T2) acceptor. Copolymer P1 is found to be the optimal polymer donor for the fullerene-based solar cells due to its high light absorption, whereas the highest power conversion efficiency of 6.81% is achieved for the all-PSCs with P3, which has the most complementary light absorption with P(NDI2HD-T2).
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2017-10
Language
English
Article Type
Article
Keywords

CAPILLARY-FORCE LITHOGRAPHY; ELECTRON-BEAM LITHOGRAPHY; NANOIMPRINT LITHOGRAPHY; SOFT LITHOGRAPHY; FABRICATION; SILICON; NANOLITHOGRAPHY; NANOFABRICATION; IMPRINT; ROLL

Citation

ADVANCED FUNCTIONAL MATERIALS, v.27, no.38

ISSN
1616-301X
DOI
10.1002/adfm.201703070
URI
http://hdl.handle.net/10203/226672
Appears in Collection
EEW-Journal Papers(저널논문)CBE-Journal Papers(저널논문)
Files in This Item
There are no files associated with this item.
This item is cited by other documents in WoS
⊙ Detail Information in WoSⓡ Click to see webofscience_button
⊙ Cited 30 items in WoS Click to see citing articles in records_button

qr_code

  • mendeley

    citeulike


rss_1.0 rss_2.0 atom_1.0