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1.
ASSESSMENT OF THE FEASIBILITY OF A MOBILE APP AIMED FOR THE PROMOTION OF A COMPANY
Hao Jiang, 2020, diplomsko delo

Opis: For a newly established company, one of the most important issues is to promote its own products and/or services. How to survive among many competitors is a problem, which is worthy of attention. With the popularity of mobile devices, the networks, information and digital society has been established, where global e-commerce has been improved and developed. In this society, for a new company it is highly desirable to use e-commerce promotion methods, which include making a mobile application. However, there is still an open question whether a mobile app can be used as an efficient e-commerce promotion method. In this thesis first an app has been developed for connecting the users and suppliers of musical instruments. All the users are able to share their homemade videos while playing musical instruments and exchange thoughts with all the users. At the same time, all the musical instruments related products can be merchandized between the users and merchant. Then we addressed two issues after the app has been tested: 1. For a startup, is it worth developing a product-related app? 2. In the process of using the app, what kind of attitude is the user taking on the internal product advertisement? An experiment has been set up in which 30 participants were randomly selected. Their behavior has been monitored for one month and the obtained data have been analyzed. The main result of the analysis is that 70% of the participants believe that developing an app brings certain benefit to the company. The remaining 30% of the participants think that they would love to continue to use the app after the experiment. At the same time, they have a certain interest in product advertising in the app.
Najdeno v: osebi
Ključne besede: Android smartphone app, company promotion, e-commerce, sampling analysis, app development.
Objavljeno: 28.10.2020; Ogledov: 1522; Prenosov: 56
.pdf Polno besedilo (918,26 KB)

2.
Co-evaporation of doped inorganic carrier selective layers for high-performance inverted planar perovskite solar cells
Qiugui Zeng, Zeyu Fan, Beibei Zhang, Yanbo Li, Jiexuan Jiang, Andraž Mavrič, Nadiia Pastukhova, Matjaž Valant, 2022, izvirni znanstveni članek

Opis: Inorganic carrier selective layers (CSLs), whose conductivity can be effectively tuned by doping, offer low-cost and stable alternatives for their organic counterparts in perovskite solar cells (PSCs). Herein, we employ a dual-source electron-beam co-evaporation method for the controlled deposition of copper-doped nickel oxide (Cu:NiO) and tungsten-doped niobium oxide (W:Nb2O5) as hole and electron transport layers, respectively. The mechanisms for the improved conductivity using dopants are investigated. Owing to the improved conductivity and optimized band alignment of the doped CSLs, the all-inorganic-CSLs-based PSCs achieves a maximum power conversion efficiency (PCE) of 20.47%. Furthermore, a thin titanium buffer layer is inserted between the W:Nb2O5 and the silver electrode to prevent the halide ingression and improve band alignment. This leads to a further improvement of PCE to 21.32% and a long-term stability (1200 h) after encapsulation. Finally, the large-scale applicability of the doped CSLs by co-evaporation is demonstrated for the device with 1 cm2 area showing a PCE of over 19%. Our results demonstrate the potential application of the co-evaporated CSLs with controlled doping in PSCs for commercialization.
Najdeno v: osebi
Ključne besede: carrier selective layers, Cu-doped nickel oxide, electron-beam evaporation, perovskite solar cells, W-doped niobium oxide
Objavljeno: 17.03.2022; Ogledov: 285; Prenosov: 2
.pdf Polno besedilo (1,38 MB)
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