In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Donor-acceptor conjugated polymers based on a pentacyclic aromatic lactam acceptor unit for polymer solar cells, published in 2013, which mentions a compound: 58656-04-5, mainly applied to pentacyclic aromatic lactam thienopyridoquinoline dione dithiophene solar cell, HPLC of Formula: 58656-04-5.
Donor-acceptor (D-A) conjugated polymers P1-P4 were synthesized by copolymerization of a novel pentacyclic aromatic lactam acceptor unit, thieno[2′,3′:5,6]pyrido[3,4-g]thieno[3,2-c]isoquinoline-5,11(4H,10H)-dione (TPTI), with a donor unit, benzo[1,2-b:4,5-b’]dithiophene (BDT) or dithieno[3,2-b:2′,3′-d]silole (DTS). The effect of the donor units and the side chains on TPTI on polymer properties and solar cell performance was studied. Bulk heterojunction solar cells based on P1 and PC71BM afforded the highest power conversion efficiency (PCE) of 5.30%.
Here is a brief introduction to this compound(58656-04-5)HPLC of Formula: 58656-04-5, if you want to know about other compounds related to this compound(58656-04-5), you can read my other articles.
Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem