1. Volume 3, Issue 4, Pages 1140-1151 (April 2019)
Single-Junction Organic Solar Cell with over 15% Efficiency Using Fused-Ring Acceptor with Electron-Deficient Core 
Jun Yuan, Yunqiang Zhang, Liuyang Zhou, Guichuan Zhang, Hin-Lap Yip, Tsz-Ki Lau, Xinhui Lu, Can Zhu, Hongjian Peng, Paul A. Johnson, Mario Leclerc, Yong Cao, Jacek Ulanski, Yongfang Li, Yingping Zou 
Joule 
Volume 3, Issue 4, Pages (April 2019)
DOI: /j.joule
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2. Joule 2019 3, DOI: ( /j.joule )
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3. Figure 1
Molecular Structures and Photophysical Properties of Y6 and PM6
(A) Molecular structure of the acceptor Y6.
(B) Side view of the optimized geometry of Y6 computed with ωB97X-D/6-31+G(d,p).
(C) Top view of the optimized geometry of Y6 with ωB97X-D/6-31+G(d,p); planes are drawn to highlight the coplanar centers.
(D) Molecular structure of the donor PM6.
(E) Absorption spectra of thin films of PM6 and Y6.
(F) Energy diagrams of Y6 and PM6 in OPVs.
Joule 2019 3, DOI: ( /j.joule )
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4. Figure 2
Photovoltaic Characteristics of the Y6-Based OPVs with Conventional Architectures
(A) J-V curve.
(B) EQE curve.
(C) Normalized value of all photovoltaic parameters with different active layer thickness.
Joule 2019 3, DOI: ( /j.joule )
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5. Figure 3 Film Morphologies (A and B) GIWAXS images of neat Y6 and PM6.
(C) GIWAXS image of PM6:Y6 optimized blend films.
(D) GIWAXS intensity profiles along the in-plane (dotted line) and out-of-plane (solid line) directions.
(E) AFM images (5 μm × 5 μm) of PM6:Y6 optimized blend films.
(F) TEM image of PM6:Y6 optimized blend films.
Joule 2019 3, DOI: ( /j.joule )
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6. Scheme 1 Synthetic Routes for Y6
Joule 2019 3, DOI: ( /j.joule )
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