Polyselenopheno[3,4-b]selenophene for Highly Efficient Bulk Heterojunction Solar Cells

详细信息    查看全文

• 作者：Haythem A. Saadeh ; Luyao Lu ; Feng He ; Joseph E. Bullock ; Wei Wang ; Bridget Carsten ; Luping Yu
• 刊名：ACS Macro Letters
• 出版年：2012
• 出版时间：March 20, 2012
• 年：2012
• 卷：1
• 期：3
• 页码：361-365
• 全文大小：341K
• 年卷期：v.1,no.3(March 20, 2012)
• ISSN：2161-1653

文摘

Herein we describe the synthesis of a new series of copolymers (PSeBx) containing selenopheno[3,4-b]selenophene and benzodiselenophene, which exhibited a high power conversion efficiency (PCE) of 6.87% in a bulk heterojunction (BHJ) solar cell device (PSeB2/PC₇₁BM). In comparison with its thiophene analogue, PTB9, the new polyselenopheno[3,4-b]selenophene-co-benzodiselenophene (PSeB2) showed a lower band gap and improved charge carrier mobility as high as 1.35 脳 10^鈥? cm² V^鈥? s^鈥?.