Selenophene and fluorene based narrow band gap copolymers with Eg = 1.41 eV for near infrared polymer light emitting diodes

Novel Random Low-Band-Gap Fluorene-Based

Novel Random Low-Band-Gap Fluorene-Based Copolymers for Deep Red/Near Infrared Light-Emitting Diodes and Bulk Heterojunction Photovoltaic Cells

✍ Yangjun Xia; Jie Luo; Xianyu Deng; Xianzhen Li; Dongyun Li; Xuhui Zhu; Wei Yang; 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 295 KB

## Abstract **Summary:** Novel readily soluble random low‐band‐gap conjugated copolymers (PFO–DTTP, __E__~g~ ≈ 1.77–2.00 eV) derived from 9,9‐dioctylfluorene (DOF) and 2,3‐dimethyl‐5,7‐dithien‐2‐yl‐thieno[3,4‐b]pyrazine (DTTP) were prepared. The solutions and the solid thin films of the copolymers

Selenophene and fluorene based narrow band gap copolymers with Eg&#xa0;=&#xa0;1.41&#xa0;eV for near infrared polymer light emitting diodes

Selenophene and fluorene based narrow band gap copolymers with Eg = 1.41 eV for near infrared polymer light emitting diodes