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Fast-switching all-solid state electrochromic device having main-chain 1,2,3-triazolium-based polyelectrolyte with extended oxyethylene spacer obtained via click chemistry
10.1016/j.solmat.2018.01.041 2018-02-07 A fast-switching all-solid state symmetrical electrochromic device was successfully fabricated using poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) as electrode and a poly(ionic liquid) based on 1,2,3-triazole with oxyethylene spacer as s... |
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Ultra-thin nanocrystalline n-type silicon oxide front contact layers for rear-emitter silicon heterojunction solar cells
10.1016/j.solmat.2018.01.034 2018-02-06 Hydrogenated nanocrystalline silicon oxide (nc-SiOx:H) films have demonstrated a unique combination of low parasitic absorption and high conductivity. Here, we report on the use of n-type nc-SiOx:H as front surface field (FSF) in rear-emitter silicon heteroju... |
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Improved efficiency of PbS quantum dot sensitized NiO photocathodes with naphthalene diimide electron acceptor bound to the surface of the nanocrystals
10.1016/j.solmat.2017.12.029 2018-01-11 Hybrid materials combining a wide bandgap metal oxide semiconductor, metal chalcogenide nanocrystals and molecular systems represent very attractive materials for fabricating devices with new function or improved photoelectrochemical performance. This study d... |
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Modelling of flexible thin-film modules for building and product integrated photovoltaics
10.1016/j.solmat.2017.12.035 2018-01-06 In this work we present a simulation of performance of curved thin-film modules for building and product integrated photovoltaic applications. Flexibility of design and possibility of achieving irregular shapes is important feature in these markets. The photo... |
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Controllable and large-scale fabrication of rectangular CuS network films for indium tin oxide-and Pt-free flexible dye-sensitized solar cells
10.1016/j.solmat.2017.12.024 2018-01-05 Here we present a highly flexible and large-area CuS transparent conductive film (TCF) fabricated by colloidal crackle pattern as a counter electrode (CE) for flexible dye sensitized solar cell (DSSC). This rectangular CuS TCF can be fabricated on arbitrary f... |
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Fabrication and characteristics of composite phase change material based on Ba(OH)2·8H2O for thermal energy storage
10.1016/j.solmat.2017.12.032 2018-01-03 Latent thermal energy storage using phase change material (PCM) is an effective way to store and transport energy. In this work, expanded graphite was modified using octylphenol polyoxyethylene ether to generate modified expanded graphite (MEG), and then a no... |
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Light-trapping enhanced thin-film III-V quantum dot solar cells fabricated by epitaxial lift-off
10.1016/j.solmat.2017.12.014 2018-01-03 We report thin-film InAs/GaAs quantum dot (QD) solar cells with n−i−p+n−i−p+ deep junction structure and planar back reflector fabricated by epitaxial lift-off (ELO) of full 3-in wafers. External quantum efficiency measurements demonstrate twofold enhancement... |
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InAs thermophotovoltaic cells with high quantum efficiency for waste heat recovery applications below 1000 °C
10.1016/j.solmat.2017.12.031 2017-12-29 InAs thermophotovoltaic (TPV) cells with external quantum efficiency at the peak wavelengths reaching 71% at low temperature and 55% at room temperature are reported, which are the highest values to date for InAs. The TPV exhibited 10% power conversion effici... |
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Silica fume/capric acid-palmitic acid composite phase change material doped with CNTs for thermal energy storage
10.1016/j.solmat.2017.12.036 2017-12-29 Though very promising, fatty acids suffer from low thermal conductivity and leakage, which limits their heat storage applications. To overcome these problems, we used silica fume (SF) to house the fatty acid and prevent leaching during phase change and incorp... |
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Surface and bulk effects of K in Cu1−xKxIn1−yGaySe2 solar cells
10.1016/j.solmat.2017.12.038 2017-12-29 Two strategies for enhancing photovoltaic (PV) performance in chalcopyrite solar cells were investigated: Cu1−xKxIn1−yGaySe2 absorbers with low K content (K/(K+Cu), or x ~ 0.07) distributed throughout the bulk, and CuIn1−yGaySe2 absorbers with KIn1−yGaySe2 gr... |