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Open AccessLow-temperature-processed metal oxide electron transport layers for efficient planar perovskite solar cells
As a promising photovoltaic technology, perovskite solar cells (pero-SCs) have developed rapidly over the past few years and the highest power conversion efficiency is beyond 25%. Nowadays, the planar structur...
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Article
Open AccessSelective do** of Ni2+ in highly transparent glass-ceramics containing nano-spinels ZnGa2O4 and Zn1+x Ga2−2x Ge x O4 for broadband near-infrared fiber amplifiers
Selective do** of Ni2+ in octahedral sites provided by nanocrystals embedded in glass-ceramics (GCs) is crucial to the enhancement of broadband near-infrared (NIR) emission. In this work, a NIR emission with a ...
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Article
Open AccessGlass-ceramic optical fiber containing Ba2TiSi2O8 nanocrystals for frequency conversion of lasers
A glass-ceramic optical fiber containing Ba2TiSi2O8 nanocrystals fabricated using a novel combination of the melt-in-tube method and successive heat treatment is reported for the first time. For the melt-in-tube ...
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Article
Open AccessMesoscale engineering of photonic glass for tunable luminescence
Control of the optical behavior of active materials through manipulation of their microstructure has led to the development of high-performance photonic devices with enhanced integration density, improved quan...
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Guest Editorial
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Article
Integrated color defect detection method for polysilicon wafers using machine vision
For the typical color defects of polysilicon wafers, i.e., edge discoloration, color inaccuracy and color non-uniformity, a new integrated machine vision detection method is proposed based on an HSV color mode...