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Two narrow‐bandgap block conjugated polymers with a (D1–A1)–(D2–A2) backbone architecture, namely PBDB‐T‐b‐PIDIC2T and PBDB‐T‐b‐PTY6, are designed and synthesized for single‐component organic solar cells (SCOSCs). Both polymers contain same donor polymer, PBDB‐T, but different polymerized nonfullerene molecule acceptors. Compared to all previously reported materials for SCOSCs, PBDB‐T‐b‐PIDIC2T and...
In this paper, we investigate the stability to any given global smooth solutions of the 3D Boussinesq system. Assuming that (θ¯,u¯) is a global solution (called reference solution later) with initial data (θ¯0,u¯0), we prove that a small perturbation of (θ¯0,u¯0) still generates a global smooth solution to the Boussinesq system, and this solution keeps close to the reference solution.
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