Evaluation of the Performance of an Organic Thin Film Solar Cell Prepared Using the Active Layer of Poly[[9-(1-octylnonyl)-9H-carbazole-2.7-diyl]-2.5-thiophenediyl-2.1.3-benzothiadiazole-4.7-Diyl-2.5-thiophenediyl]/[6,6]-Phenyl C₇₁Butyric Acid Methyl Ester Composite Thin Film

Abstract

Organic solar cell devices were fabricated using poly[9-(1-octylnonyl)-9H-carbazole-2.7-diyl]-2.5-thiophenediyl-2.1.3-benzothiadiazole-4.7-diyl-2.5-thiophenediyl] PCDTBT/ [6,6]-phenyl C 71 butyric acid methyl ester (PC71BM) active layer deposited by spin coating. Moreover, the relationship between solar cell performance and buffer layer thickness was investigated by spin coating speed and AFM imaging of the buffer layer surface. The performance of the organic solar cell with spin-coated active layer was then evaluated, and the power conversion efficiency of the solar cell was determined to be > 5%.

Comparison of properties of polymer organic solar cells prepared using highly conductive modified PEDOT:PSS films by spin- and spray-coating methods

“…Several spray deposition techniques are also being explored for large area deposition of solution processible materials. Evaporative spray deposition from ultra-dilute solution (ESDUS) has shown promise 32) but requires heating of the solution. Air brush spray methods are inexpensive and have high throughput; however, precise deposition control is limited.…”