Inorganic semiconductor compounds, e.g., CIGS and CZTS, are promising materials for thin film solar cells because of their high light absorption coefficient and stability. Research on thin film solar cells using this compound has made remarkable progress in the last two decades. Vacuum-based processes, e.g., co-evaporation and sputtering, are well established to obtain high-efficiency CIGS and/or CZTS thin film solar cells with over 20% of power conversion. However, because the vacuum-based processes need high cost equipment, they pose technological barriers to producing low-cost and large area photovoltaic cells. Recently, non-vacuum based processes, for example the solution/nanoparticle precursor process, the electrodeposition method, or the polymer-capped precursors process, have been intensively studied to reduce capital expenditure. Lately, over 17% of energy conversion efficiency has been reported by solution precursors methods in CIGS solar cells. This article reviews the status of non-vacuum techniques that are used to fabricate CIGS and CZTS thin films solar cells.

Abstracts
 1. 서 론
 2. 비진공법에 의한 CIGS 및 CZTS계 태양전지 제조
  2.1 CIGS 계 태양전지
  2.2 CZTS 계 태양전지
 4. 결 론
 References

• 유다영(부산대학교 나노융합기술학과(대학원)) | Dayoung Yoo (Department of Nano Fusion Technology, Pusan National University)
• 이동윤(부산대학교 나노융합기술학과(대학원), 부산대학교 나노에너지공학과) | Dongyun Lee (Department of Nano Fusion Technology, Pusan National University, Department of Nanoenergy Engineering, Pusan National University) Corresponding author