نتایج جستجو برای: spin coating
تعداد نتایج: 158025 فیلتر نتایج به سال:
Hole mobility was evaluated by top-contact bottom gate field effect transistor and time resolved microwave conductivity measurements in 2,6-dithienylanthracene and hexyl-substituted 2,6-dithienylanthracene films prepared by spin-coating of their α-diketone precursors followed by photoirradiation, revealing enough high potentials for semiconducting films with charge carrier mobilities of 0.8-0.9...
Photoactive in one step! A nanocomposite water-oxidation photocatalyst was assembled by a straightforward and one-step spin-coating procedure of a Ti- and Ni-containing molecule on nanostructured WO3. The photoanode oxidizes water to O2 with good activity and stability in alkaline solution, and thereby features light absorption, charge separation and water-oxidation catalysis (see scheme).
A highly-efficient inverted heterojunction perovskite solar cell was prepared. A homogeneous and compact perovskite (CH3NH3PbI3) layer was prepared via a two-step solution deposition method, and subsequently a double-layer PCBM film was deposited by a sequential spin-coating/vapor deposition process as the electron transport layer. The optimised device could achieve a 12.2% (average 11.09%) eff...
A new strategy to seal mesoporous low-k thin films with a pore size of 3 nm has been developed. This is achieved by spin-coating of a self-assembled carbon-bridged organosilica layer followed by a grafting with hexamethyl disilazane.
The spatial arrangement of metal nanoparticle (NP) arrays in block copolymers has many potential applications in OFET-type memory devices. In this study, we adopted a trapping approach in which we used a monolayer thin film of polystyrene-block-poly(4-vinylpyridine) (PS56k-b-P4VP8k)-a highly asymmetric diblock copolymer having a spherical micelle morphology-to incorporate various amounts of one...
در این پروژه رفتار مکانیکی و چسبندگی پوشش های ایجاد شده به روش چرخشی مورد بررسی قرار گرفته است. در گام نخست، جهت ایجاد پوشش های نازک میکرونی بر سطح شیشه دستگاه اسپینر ساخته شد. در ادامه، نظر به ماهیت فرآیند پوشش دهی چرخشی و تاثیر پارامترهای ریولوژیکی ماده، برر ضخامت پوشش در این روش، با هدف دست یابی به ضخامت های بالاتر و بررسی اثر این پارامتر در خصوصیات مکانیکی پوشش، دو نوع پوشش پلیمری پلی استر ...
Organic electronic devices are often made by solution processing a multi-component ink. During solution processing, e.g. via spin coating, the solvent evaporates and the solid components deposit on the substrate. The morphology of this layer can range from wellmixed to extensively phase separated. To optimize device performance, it is essential to 2 control the degree and dominant length scale ...
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