Journal ArticleDOI
Bipolar doping and band-gap anomalies in delafossite transparent conductive oxides.
TLDR
It is shown that both properties are results of a large disparity between the fundamental gap and the apparent optical gap, a finding that could lead to a breakthrough in the study of bipolarly dopable wide-gap semiconductor oxides.Abstract:
Doping wide-gap materials p type is highly desirable but often difficult. This makes the recent discovery of p-type delafossite oxides, CuM(III)O2, very attractive. The CuM(III)O2 also show unique and unexplained physical properties: Increasing band gap from M(III) = Al,Ga, to In, not seen in conventional semiconductors. The largest gap CuInO2 can be mysteriously doped both n and p type but not the smaller gaps CuAlO2 and CuGaO2. Here, we show that both properties are results of a large disparity between the fundamental gap and the apparent optical gap, a finding that could lead to a breakthrough in the study of bipolarly dopable wide-gap semiconductor oxides.read more
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Journal ArticleDOI
Wide band gap p-type CuBO2 nanostructures by hydrothermal route and fabrication high quality p-CuBO2/n-ZnO nano-heterojunction
TL;DR: In this paper, the I-V characteristics of the fabricated p-CuBO 2 /n-ZnO was measured using conducting atomic force microscopy which showed excellent diode behavior with an ideality factor 1.03 and very small leakage current 0.04 nA.
Journal ArticleDOI
Preparation and Characterization of Radio Frequency Sputtered Delafossite Copper Gallium Oxide (CuGaO2) Thin Films
TL;DR: In this article , the effects of annealing temperature on structural, morphological, optical, and electrical properties of CuGaO2 thin films are reported, and the optical bandgap was calculated from the transmission studies and was found to be in the range of 2.77 to 3.43 eV.
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Self-Interaction Corrected Electronic Structure and Energy Gap of CuAlO2 beyond Local Density Approximation
TL;DR: In this article, the authors implemented a selfinteraction correction (SIC) into first-principles calculation code to go beyond local density approximation and applied it to CuAlO 2.
Posted ContentDOI
Mitochondrial membrane tension governs fission
Dora Mahecic,Lina Carlini,Tatjana Kleele,Adai Colom,Antoine Goujon,Stefan Matile,Aurélien Roux,Suliana Manley +7 more
TL;DR: A model based on the estimates of mitochondrial membrane tension and bending energy in living cells which accounts for the observed probability distribution for mitochondrial constrictions to divide is proposed.
Journal ArticleDOI
Organic solar cells based on a Cu2O/FBT-TH4 anode buffer layer with enhanced power conversion efficiency and ambient stability
TL;DR: An organic-inorganic integrated hole transport layer (HTL) composed of a semicrystalline 5,6-difluorobenzothiadiazole based conjugated polymer FBT-TH4 and cuprous oxide (Cu2O) is successfully incorporated into conventional structured organic solar cells (OSCs) as discussed by the authors.