On this examine, conductive and clear polycaprolactone (PCL)/carbon black (CB) nanofibers are produced by electrospinning. With a purpose to examine the impact of solvent system on the optoelectrical properties of PCL/CB nanofibers, the fibers are produced from two totally different solvent methods; specifically, chloroform (CHL) and dimetyl formamid (DMF). For optoelectrical characterization, nanofibers are produced with totally different deposition occasions within the vary of 1–10 minutes. Floor, optical, electrical and optoelectrical properties of the PCL/CB nanofibers are evaluated. Nanofibers produced from CHL solvent system ends in non-uniform nanofibers with increased diameters. In addition they give a bigger diameter distribution. Alternatively, nanofibers with uniform and smaller diameters are obtained from DMF system. UV-spectrophotometer evaluation present that nanofiber mats produced from each solvent methods have comparable optical transparencies. Decrease sheet resistance values are obtained with the nanofiber mats produced from DMF system in keeping with electrical characterizations. Larger Determine of Advantage values are calculated for the nanofiber mats produced in DMF solvent system. Contemplating all the outcomes, it may be concluded that PCL/CB nanofibers produced from DMF solvent system are higher candidates in comparison with the nanofibers produced from CHL solvent system for optoelectrical purposes.