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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 405 - 412 (8page)
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초록· 키워드
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We report for the fi rst time in situ hydrothermal synthesis of n -type Cu 2 O thin fi lm using strong alkaline solution. The use ofcopper foil as substrate and precursor material, low synthesis temperature and short reaction time represent the arguments ofa new, simple, inexpensive and high fi eld synthesis method for the preparation of n -type Cu 2 O thin fi lm. The donor concentrationof n -type Cu 2 O thin fi lm obtained at 2 h of reaction time has increased two orders of magnitude than previous reportedvalues. We have demonstrated n -type conduction in Cu 2 O thin fi lm prepared in strong alkaline solution, in the contradictionwith the previous works. Based on experimental results, the synthesis mechanism and the origin of n -type photo-responsivebehavior of Cu 2 O thin fi lm were discussed. We have proposed that the unexpected n -type character could be explained byH doping of Cu 2 O thin fi lm in during of the hydrothermal synthesis that caused the p -to- n conductivity-type conversion. Also, this work raises new questions about the origin of n -type conduction in Cu 2 O thin fi lm, the infl uence of the synthesismethod on the nature of the intrinsic defects and the electrical conduction behavior.
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참고문헌 (38)
참고문헌 신청
Kunhee Han / 2009 / Electrochemically deposited p–n homojunction cuprous oxide solar cells / Solar Energy Materials and Solar Cells 93(1):153~157
T Niesen / 2002 / Review: deposition of ceramic thin films at low temperatures from aqueous solutions / Solid State Ionics 151(1-4):61~68
T Mahalingam / 2004 / Preparation and microstructural studies of electrodeposited Cu2O thin films / Materials Letters 58(11):1802~1807
X Mathew / 2001 / Temperature dependence of the optical transitions in electrodeposited Cu2O thin films / Solar Energy Materials and Solar Cells 70(3):277~286
M. Ristov / 1985 / Chemical deposition of Cu2O thin films / Thin Solid Films 123(1):63~67
T Niesen / 2002 / Review: deposition of ceramic thin films at low temperatures from aqueous solutions / Solid State Ionics 151(1-4):61~68
T Mahalingam / 2004 / Preparation and microstructural studies of electrodeposited Cu2O thin films / Materials Letters 58(11):1802~1807
X Mathew / 2001 / Temperature dependence of the optical transitions in electrodeposited Cu2O thin films / Solar Energy Materials and Solar Cells 70(3):277~286
M. Ristov / 1985 / Chemical deposition of Cu2O thin films / Thin Solid Films 123(1):63~67
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