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Nano-structure solar cells on the base of p-Si/Cd1-xZnxO thin film heterojunctions

H. M. MAMEDOV1,* , V. U. MAMMADOV1, V. J. MAMMADOVA1, Kh. M. AHMEDOVA1, E. B. TAGIYEV1, L. E. AGAZADE1

Affiliation

  1. Faculty of Physics, Department of Physical Electronics, Baku State University, Az1148, Z.Khalilov str., 23, Baku, Azerbaijan, e-mail: mhhuseyng@bsu.edu.az; mhhuseyng@gmail.com

Abstract

In this paper heterojunctions of p-Si/Cd1-xZnxO were deposited by the method of electrochemical deposition. The electric and photoelectrical properties of p-Si/Cd1-xZnxO heterojunctions, surface morphology and optical properties of Cd1-xZnxO films were investigated depending on the electrochemical deposition potential and films composition. It is found out that heterojunctions of p-Si/Cd1-xZnxO with nano-structured surface, which deposited at cathode potential of -1.2 V, shows good rectification (k640). Under AM1.5 conditions (W = 100 mW/cm2 ) the maximal values of open-circuit voltage, short-circuit current, fill factor and efficiency of our best nano-structured cell, were Uoc = 442 mV, Jsc = 12.9 mA/cm2 , FF = 0.57 and  = 3.25 %, respectively..

Keywords

Electrochemical deposition, Thin film, Heterojunction, Solar cell.

Submitted at: May 11, 2018
Accepted at: Oct. 10, 2018

Citation

H. M. MAMEDOV, V. U. MAMMADOV, V. J. MAMMADOVA, Kh. M. AHMEDOVA, E. B. TAGIYEV, L. E. AGAZADE, Nano-structure solar cells on the base of p-Si/Cd1-xZnxO thin film heterojunctions, Journal of Optoelectronics and Advanced Materials Vol. 20, Iss. 9-10, pp. 468-473 (2018)