Dimeric Phenazinothiadiazole Acceptors in Bulk Heterojunction Solar Cells

Molecular helices as electron acceptors in high-performance bulk heterojunction solar cells

Despite numerous organic semiconducting materials synthesized for organic photovoltaics in the past decade, fullerenes are widely used as electron acceptors in highly efficient bulk-heterojunction solar cells. None of the non-fullerene bulk heterojunction solar cells have achieved efficiencies as high as fullerene-based solar cells. Design principles for fullerene-free acceptors remain unclear ...

A survey of electron-deficient pentacenes as acceptors in polymer bulk heterojunction solar cells†

We have prepared, characterized and surveyed device performance for a series of electron deficient pentacenes for use as acceptors in polymer bulk heterojunction solar cells, using P3HT as the donor material. All of the materials reported here behaved as acceptors, and variations in the position and nature of the electron-withdrawing group on the pentacene core allowed tuning of device open-cir...

C of non - fullerene , small molecular acceptors for solution processed bulk heterojunction solar cells

A J o c U o t I A y d Manufacturing Company, Jordan, completed his PhD in surface chem Matthew F. Paige at the Univers Ala’a has received an NSERC CR postdoctoral research at Dalhousie Department of Chemistry, Dalhousie Univer Halifax, Nova Scotia B3H 4R2, Canad +1 902-494-4245 Department of Physics, Dalhousie University E-mail: [email protected]; Fax: +1 902-494-51 Cite this: J. Mater. Chem. A, ...

Bulk Heterojunction Solar Cells — Opportunities and Challenges

Hydrogen bonding in bulk heterojunction solar cells: A case study

Small molecules with dithieno[3,2-b;2',3'-d]thiophene as central building block and octyl cyanoacetate and octyl cyanoacetamide as different terminal building blocks have been designed and synthesized. The amide containing small molecule can form intermolecular hydrogen bonding between N-H...O = C of the amide group. The photovoltaic properties and active layer morphologies of the two molecules...