Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 49 for “"Electrochromic"”.
-
Monolayer terpyridyl metal complexes for high-efficiency electrochromic materials
Electrochromic materials (ECMs) can change their color with changes of applied electrochemical potential. Currently, the use of ECMs in the industry is limited to mainly inorganic metal oxides, conjugated conducting polymers, and liquid crystal-based materials. Hybrid metal-organic materials belong …
-
Doped tungsten oxide nanocrystals for next generation electrochromic windows
… (NCs) have lots of potential for next generation electrochromic windows compared to bulk thin films. The difference lies in intrinsic WO₃ [subscript -x] NC properties of shape and crystalline anisotropy with localized surface plasmon resonance absorption in the shorter wavelength near-infrared …
-
Growth of V2O5 films for electrochromic and battery applications
Vanadium pentoxide (V2O5) is an electrochromic material. Research into electrochromic devices has become more popular with the renewed interest in environmentally-friendly ‘green’ technologies. Particular interest is in the production of electrochromic coated windows for energy saving purposes. …
-
Retrofit Electrochromic Glazing: A longitudinal case study of occupant experience
Electrochromic (EC) glazing has emerged as an alternative to traditional forms of glazing. It has the potential to enable occupants to control daylight ingress without the use of blinds, giving users more access to daylight with all its inherent benefits. Research efforts to date have been mainly …
-
Fabrication of smart glass electrochromic device using rf magnetron sputtering
Electrochromic device is an important functional device to control the amount of light through a glass. It usually used in sunlight control window glazing for buildings and automobile. The important feature of electrochromic glass is the ability to response toward the apply voltage in shortest …
-
Novel electrode materials and advanced electrochemical diagnostics for electrochromic devices
Electrochromic materials (ECMs) are a class of “smart” materials used in a variety of applications due to the ability to alter their optical properties with the application of a potential. For these applications, ECMs are fashioned into electrochromic devices (ECDs). However, commercialization of …
-
Development of an electronic paper prototype on bacterial cellulose using electrochromic systems
… paper prototype on bacterial cellulose. Electrochromic systems were used to demonstrate the proof of concept of a dynamic display on cellulose. Bacterial cellulose was synthesized in a culture of NQ-5 strain of Acetobacter xylinum in the standard glucose-rich (SH) medium. Bacterial …
-
Applications of Layer-by-Layer Films in Electrochromic Devices and Bending Actuators
… the switching speed and contrast performance of electrochromic devices. Layer-by-Layer (LbL) assembly was used to deposit thin electrochromic films of materials ranging from organic, inorganic, conducting polymers, etc. The focus was on developing new materials with high contrast and long …
-
The synthesis and testing of fast switching, novel conjugated polymers for electrochromic applications
… potential to satisfy the above consumer demands. Electrochromic materials (EC) have the ability to undergo a reversible colour transformation switch upon electrochemical doping, such as colour bleaching transformations. Herein, this thesis discusses how organic chemistry facilitates the advantage …
-
Transparent-to-dark electrochromic behavior in naphthalene-diimide-based mesoporous MOF-74 analogs
… as MOF-74 (CPO-27) gives rise to a mesoporous electrochromic MOF that can be switched from transparent to dark, a desirable feature in electrochromic devices such as smart windows. Specifically, we report two new materials with the MOF-74 topology that display redox activity stemming from a …
-
Investigating the interfacial process and bulk electrode chemistry in tungsten oxide electrochromic materials
… in developing sustainable and cost-effective electrochromic materials. The present thesis focuses on classical tungsten trioxide (WO3) materials as the platform to uncover the previously unknown interrelationship between phase transformation, morphological evolution, nanoscale color …
-
Fabrication and Characterization of Layer by Layer Assembled Single and Dual-Electrochrome Electrochromic Devices
… a primary focus on design and development of electrochromic devices. The optical properties of electrochromic materials change as they alter between redox states. The morphology and properties of LbL-assembled thin films can be modified by varying several processing factors such as dipping …
-
Evaluation of the potential impact of electrochromic windows on the energy performance of commercial buildings
Electrochromic windows appear to be the most promising emerging technology to improve building performance as they provide greater control of solar gains; they have a potentially significant impact on the indoor visual environment and energy requirements of commercial buildings. The research work …
-
Engineering the electrochromism and ion conduction of layer-by-layer assembled films
… active materials. Elements of the thin-film electrochromic cell were chosen as a particular focus for LBL fabrication. Layer-by-layer assembly is the ideal processing tool to tailor the electrochemical systems within electrochromic cells because modulating processing conditions can greatly …
-
Deposition and characterisation of nickel oxide based coatings for advanced glazing applications
… a counter electrode in a variable transmittance electrochromic device. Coatings have been prepared using anodic electrodeposition, colloidal precipitation and radio frequency (r.f.) sputtering. Systematic studies of the effect of deposition process parameters on optical and electrochromic …
-
Stimuli responsive polymer gels for sensing applications
… that yields an IL as a key component in an electrochromic device. A device based on two individual components is achieved through the synthesis of an electrochromic IL that also acts as the supporting electrolyte between two electrodes. This work therefore describes the synthesis and …
-
High quality optical and optoelectronic materials for efficient light management and solar spectrum control and conversion
… a low power density application, a self-powered electrochromic, or “smart” window. Here, the microcells are shown as an exemplar high performance and relatively transparent PV material to power such a window. Processes for fabrication of the self-powered electrochromic window are considered for …
-
PUSH-PULL COPOLYMERS IN THIN FILM FOR ELECTRONIC APPLICATION
… substrates, allowing for the fabrication of electrochromic devices, featuring an optical contrast of 29%. In the same way, it was possible to fabricate novel electrochromic devices by combining NDI2ODT4 with the novel system bis-thiophene fulleropyrrolidine (bis-Th2P-C60). Moreover, it was …
-
Interaction of Light and Conjugated Polymers in Plasmonic Nanogaps
… applications, including organic transistors, electrochromic displays, and flexible electronics. Integrating conjugated polymers into plasmonic nanocavities has unlocked electrochromic plasmonic coloration with nano-scale resolution display potential and has served as a platform for nanoscale …
Page 1 of 3