نتایج جستجو برای: metal assisted chemical etching
تعداد نتایج: 688698 فیلتر نتایج به سال:
We report the fabrication and optical response of boron-doped single silicon nanowire-based metal-semiconductor-metal photodetector. Typical single nanowire devices with diameter of ∼80-100 nm and electrode spacing of ∼1 μm were made using electron-beam lithography from nanowires, grown by a metal-assisted chemical etching process. A high responsivity, of the order of 10(4) A W(-1), was observe...
Porous Silica In article number 2206842, Stella Gries, Patrick Huber, and co-workers present a novel approach based on silver nanoparticle-assisted chemical etching (MACE) of macroporous silicon for the synthesis hierarchically porous silicon. The MACE process is mainly guided by metal-catalyzed redox-reaction where nanoparticles drill mesopores into scaffold structure. resulting can be transfo...
Formation of a selective emitter in crystalline silicon solar cells improves photovoltaic conversion efficiency by decoupling emitter regions for light absorption (moderately doped) and metallization (degenerately doped). However, use of a selective emitter in silicon nanowire (Si NW) solar cells is technologically challenging because of difficulties in forming robust Ohmic contacts that interf...
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