Influence of CdS heat treatment on the microstructure of CdS and the performance of CdS/CdTe solar cells

Hyeongnam Kim, Donghwan Kim

    Research output: Contribution to journalArticlepeer-review

    44 Citations (Scopus)

    Abstract

    The influence of the heat treatment of CdS films on the microstructure of CdS and the performance of CdS/CdTe junctions was investigated. The annealing of chemically deposited CdS created the pores in CdS films. The performance of cells with CdS films annealed in 20% H2+N2 was improved despite the formation of larger pores. These pores formed at CdTe deposition temperature. No noticeable change in the optical transmittance and X-ray diffraction (XRD) patterns was observed after CdS annealing. CdS annealing after CdCl2 treatment resulted in grain growth and the formation of large pores. Solar cells with CdS films annealed in 20% H2+N2 showed the best performance due to the passivation of the interface states.

    Original languageEnglish
    Pages (from-to)297-304
    Number of pages8
    JournalSolar Energy Materials and Solar Cells
    Volume67
    Issue number1-4
    DOIs
    Publication statusPublished - 2001 Mar

    Bibliographical note

    Funding Information:
    This work was supported by the Korea Science and Engineering Foundation through project 981-0805-026-2.

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Renewable Energy, Sustainability and the Environment
    • Surfaces, Coatings and Films

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