Non-fullerene acceptors for organic solar cells
Non-fullerene acceptors (NFAs) are currently a major focus of research in the development
of bulk-heterojunction organic solar cells (OSCs). In contrast to the widely used fullerene …
of bulk-heterojunction organic solar cells (OSCs). In contrast to the widely used fullerene …
Optical gaps of organic solar cells as a reference for comparing voltage losses
The voltage loss, determined by the difference between the optical gap (Eg) and the open‐
circuit voltage (VOC), is one of the most important parameters determining the performance …
circuit voltage (VOC), is one of the most important parameters determining the performance …
11.4% Efficiency non-fullerene polymer solar cells with trialkylsilyl substituted 2D-conjugated polymer as donor
Simutaneously high open circuit voltage and high short circuit current density is a big
challenge for achieving high efficiency polymer solar cells due to the excitonic nature of …
challenge for achieving high efficiency polymer solar cells due to the excitonic nature of …
Intrinsic non-radiative voltage losses in fullerene-based organic solar cells
Organic solar cells demonstrate external quantum efficiencies and fill factors approaching
those of conventional photovoltaic technologies. However, as compared with the optical gap …
those of conventional photovoltaic technologies. However, as compared with the optical gap …
High‐efficiency nonfullerene organic solar cells: critical factors that affect complex multi‐length scale morphology and device performance
Organic solar cells (OSCs) made of donor/acceptor bulk‐heterojunction active layers have
been of widespread interest in converting sunlight to electricity. Characterizing of the …
been of widespread interest in converting sunlight to electricity. Characterizing of the …
Efficient organic solar cells with non‐fullerene acceptors
Fullerene‐free OSCs employing n‐type small molecules or polymers as the acceptors have
recently experienced a rapid rise with efficiencies exceeding 12%. Owing to the good …
recently experienced a rapid rise with efficiencies exceeding 12%. Owing to the good …
Simultaneously achieved high open‐circuit voltage and efficient charge generation by fine‐tuning charge‐transfer driving force in nonfullerene polymer solar cells
To maximize the short‐circuit current density (JSC) and the open circuit voltage (VOC)
simultaneously is a highly important but challenging issue in organic solar cells (OSCs). In …
simultaneously is a highly important but challenging issue in organic solar cells (OSCs). In …
[HTML][HTML] A chlorinated π-conjugated polymer donor for efficient organic solar cells
We synthesized a chlorinated benzothiadiazole-T4 polymer donor PBT4T-Cl, in which a
chlorine atom had been introduced at the 4 position in the middle thiophene unit to fine-tune …
chlorine atom had been introduced at the 4 position in the middle thiophene unit to fine-tune …
Conjugated Donor–Acceptor Terpolymers Toward High‐Efficiency Polymer Solar Cells
The development of conjugated alternating donor–acceptor (D–A) copolymers with various
electron‐rich and electron‐deficient units in polymer backbones has boosted the power …
electron‐rich and electron‐deficient units in polymer backbones has boosted the power …
Factors controlling open-circuit voltage losses in organic solar cells
The performance of solar cells based on molecular electronic materials is limited by
relatively low open-circuit voltage (V oc) relative to the absorption threshold. These voltage …
relatively low open-circuit voltage (V oc) relative to the absorption threshold. These voltage …