CAS:182631-76-1 | 5,5'-Di-2-thienyl-2,2'-bipyridine

Introduction of CAS:182631-76-1 | 5,5'-Di-2-thienyl-2,2'-bipyridine

5,5'-Di(thiophen-2-yl)-2,2'-bipyridine, also known as DTBP, is a heterocyclic aromatic compound with two pyridine rings and two thiophene rings connected via a methylene bridge. It is a widely studied organosulfur compound due to its unique physical and chemical properties.

Specification of CAS:182631-76-1 | 5,5'-Di-2-thienyl-2,2'-bipyridine

Research Application of CAS:182631-76-1 | 5,5'-Di-2-thienyl-2,2'-bipyridine

Organic Solar Cells

"5,5'-Di(thiophen-2-yl)-2,2'-bipyridine" has been used in the development of organic solar cells (OSCs). In a study, it was used in the active layer of OSCs, composed of a bulk heterojunction of conjugated polymer based on indacenodithieno [3,2-b]thiophene and 5,5′-di (thiophen-2-yl)-2,2′-bithiazole PIDTT-DTBTz as a donor and [6,6]-phenyl-C71-butyric acid methyl ester (PC 71 BM) as an acceptor . The power conversion efficiency (PCE) of the reference device was improved by 22% when 10 wt% colloidal gold nanoparticles were embedded in the ZnO electron transport layer .

Dye Synthesis

This compound has also been used in the synthesis of dyes. Specifically, (E)-5,5′-Di(thiophen-2-yl)-3,3′-bi[thiophen-3(2H)-ylidene]-2,2′-dione (1a), an intense blue dye, has been synthesized using "5,5'-Di(thiophen-2-yl)-2,2'-bipyridine" as a trace by-product . This dye exhibits an attractive "quasi-metallic" golden-bronze lustre, which is rare in molecular crystals and is observed only with the most intense dyes .

Plasmonic Enhancement

The compound has been used in studies related to plasmonic enhancement. In one study, it was used in the active layer of OSCs, where the efficiency in the absorption of light by the active layer was improved by using metal nanoparticles that endow a plasmonic enhancement and light trapping while keeping the device thickness in the order of free charge carriers diffusion length .

Light Trapping

"5,5'-Di(thiophen-2-yl)-2,2'-bipyridine" has been used in studies related to light trapping in OSCs. In one study, it was used in the active layer of OSCs, where the efficiency in the absorption of light by the active layer was improved by using metal nanoparticles that endow a plasmonic enhancement and light trapping while keeping the device thickness in the order of free charge carriers diffusion length .

Charge Collection

The compound has been used in studies related to charge collection in OSCs. In one study, it was used in the active layer of OSCs, where efficient exciton dissociation and charge collection were found to be the reasons for the enhanced short circuit current density .

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