Open AccessInexpensive solar cell using TiO2/coffee composite as photon absorbing material
Author(s) -
Dui Yanto Rahman,
Fısca Dıan Utami,
Desyana Olenka Margaretta,
Nadya Amalia,
Rita Sulistyowati,
Mikrajuddin Abdullah
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/833/1/012089
Subject(s) - materials science , tin oxide , solar cell , composite number , substrate (aquarium) , mass fraction , suspension (topology) , chemical engineering , deposition (geology) , polymer , oxide , composite material , optoelectronics , metallurgy , paleontology , oceanography , mathematics , homotopy , sediment , pure mathematics , engineering , biology , geology
Solar cell using TiO 2 /coffee composite as photon absorbing material has been successfully fabricated. A suspension of TiO 2 /coffee was dropped on Fluorine Tin Oxide substrate which was previously heated on a hotplate with temperature of 100 °C. The fraction of coffee was varied from 10, 20, 30, 40, and 50 %, compared to the mass of TiO 2 . PVA-LiOH electrolyte polymer was functionalized as the hole transport medium. The highest efficiency of 0.76 % was achieved with 40% of coffee fraction. The solar cell is promising to be developed in the future due to the easy method and cheap materials used.