Informatics Publishing Limited

N. W. P. S. Perera ¹, R. D. A. A. Rajapaksha ¹, C. A. N. Fernando ¹, S. A. Ariadurai ², M. V. W. Samarakody ³

Affiliations
1 Nano-Technology Research Laboratory, Department of Electronics, Wayamba University of Sri Lanka, Kuliyapitiya, LK
2 Department of Textile and Apparel Technology, Open University of Sri Lanka, Nawala, Nugegoda, LK
3 Nano-Technology Research Laboratory, Department of Electronics, Wayamba University of Sri Lanka, Kuliyapitiya, IN

Abstract

Bamboo is a natural vegetable fibre originated from the tropical and sub-tropical countries. In this research, alkaline-bio scoured raw bamboo fibre powder was subjected to alkaline one step pyrolysis activation by using KOH. The bamboo carbon powder was fed into a tube furnace with a ramping rate of 10°C min^-1 until the temperature reached at 360°C and dwell time 15 min for N₂ atmosphere. Subsequently they were cooled to room temperature. A thin film of n-Cu₂O was fabricated by boiling a well cleaned Copper sheet in a 5x10^-3M CuSO4 solution inside an ultrasonic bath at 60°C for 50 min. There after thin layer of colloidal CuI was deposited on the n-Cu₂O layer. BAC was placed on n-Cu₂O/p-CuI and ITO conductive glass plate was placed to fabricate Cu/ Cu₂O/BAC/ITO solid state photovoltaic cell. BAC acts as an upper electrode; separate photo generated charge carriers and enhanced photocurrent. Mean Particle size distribution curves, Absorption spectra, Photocurrent action spectra and time development of photocurrent were used from this study.

Keywords

Bamboo Activated Carbon (BAC), N-cu₂o, P-CUI, Thin Film Solid State Solar Cell.

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