The potential of III‐V semiconductors as terrestrial photovoltaic devices

Bosi, Matteo; Pelosi, C.

doi:10.1002/pip.715

Cited by 177 publications

(92 citation statements)

References 78 publications

(78 reference statements)

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“…Concerning PV (and renewable in general), a very long policy planning period is most definitely needed, in order to support the creation of market demand, the assignment of public funding (with 'roof programmes' or feed-in tariffs), and in order to continue a heavy research and development process, [12]. Photovoltaic costs (referring to conventional flat Si panels) depends on the climate and latitude where the panel is installed and they are for large photovoltaic plants.…”

Section: Market Trend In Pv Installationmentioning

confidence: 99%

Strategic Orientation to Solar Energy Productionand Long Term Financial Benefits

Stevović¹

2017

AFST

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The strategy for developing and improving the application of green, clean, renewable and gratis solar energy is a challenge for multidisciplinary teams of scientists. Exquisite examples of positive world practice of the largest solar power plants are presented in this paper, with all the characteristics, starting from the materials of photovoltaic panels and technical performance to the cost and financial benefits. The aim was to analyze the development of solar technologies in the function of defining further perspectives. The techno economic feasibility of the strategic orientation towards solar energy has been demonstrated in the model of the solar power plant, carried out by experiment, profitability calculation and multi-criteria analysis. The conclusion is that long-term financial and holistic benefits can be achieved by investing in solar power plants.

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Section: Market Trend In Pv Installationmentioning

confidence: 99%

Strategic Orientation to Solar Energy Productionand Long Term Financial Benefits

Stevović¹

2017

AFST

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“…G allium arsenide (GaAs), with its high electron mobility and direct bandgap, has been employed in high performance RF electronics and optoelectronics for decades [1][2][3][4] . On the basis of thermodynamics calculation, its bandgap lies at the energy for the theoretical maximum efficiency of single junction (SJ) solar cells and makes it an ideal material for high efficiency solar cells 5 .…”

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confidence: 99%

Epitaxial lift-off process for gallium arsenide substrate reuse and flexible electronics

et al. 2013

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Epitaxial lift-off process enables the separation of III-V device layers from gallium arsenide substrates and has been extensively explored to avoid the high cost of III-V devices by reusing the substrates. Conventional epitaxial lift-off processes require several post-processing steps to restore the substrate to an epi-ready condition. Here we present an epitaxial liftoff scheme that minimizes the amount of post-etching residues and keeps the surface smooth, leading to direct reuse of the gallium arsenide substrate. The successful direct substrate reuse is confirmed by the performance comparison of solar cells grown on the original and the reused substrates. Following the features of our epitaxial lift-off process, a high-throughput technique called surface tension-assisted epitaxial lift-off was developed. In addition to showing full wafer gallium arsenide thin film transfer onto both rigid and flexible substrates, we also demonstrate devices, including light-emitting diode and metal-oxidesemiconductor capacitor, first built on thin active layers and then transferred to secondary substrates.

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“…28 In space applications, where cost is not the major problem, multijunction cells have replaced Si cells. The problem lies in making an economically suitable transition for terrestrial purposes.…”

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Dye-sensitized solar cells: A safe bet for the future.

Gonçalves

Bermúdez

Ribeiro

et al. 2008

Energy Environ. Sci.

403

226

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This review describes the main features of dye-sensitized solar cells (DSCs) and highlights recent breakthroughs in this promising thin-film photovoltaic (PV) technology. After a brief presentation of the commercially available technologies, the general operation principles and the most relevant characteristics of DSCs are summarized. Recent major advances in high efficiency sensitizers, nanostructured semiconductors and robust electrolytes offer an opportunity for DSCs integration into the marketplace. With attractive features, like low-cost potential, simple processing, wide range of applicability -from low-power electronics to semi-transparent windowpanes for electricity generation -and good performance under typical operating conditions, these cells are one step from large-scale commercialization. We describe major strategies that are under way to make DSCs a key technology in the future PV paradigm. PV and DSC position in the global energy marketNow, more than ever before, energy is what makes our world continuously work. World energy consumption is ca. 4.7 Â 10 20 J (450 quadrillion Btu) and is expected to grow about 2% each year for the next 25 years.1 Earth's resources upon which the world economy has sustained its grown are finite and governments are increasingly aware of this, particularly now that peak oil is on a near future.2 In order to maintain social and economic development, society is obliged to find a way of making a suitable transition to renewable fuels. This desired change in our energetic paradigm is also being hastened by environmental issues; 3 mankind cannot afford to continue to progress by relying on sources of energy that release greenhouse gases.Nowadays, renewable sources comprise about 13% of all energy production and photovoltaics (PV) account for no more than 0.04% and most probably only in 2030 will that figure reach 1%.4 Solar PV energy costs are not yet competitive and continued PV grow is mainly based on government support, 5 as is easily perceived by analyzing three major consumers: Germany, Japan and the USA (the three combined share about 90% of the world market). 6 Nevertheless, PV solar cells are clearly very elegant and attractive devices for producing energy: cells are free from chemical and noise pollution; their power output is flexible, producing mW as well as MW; production can be done in situ, it is not dependent on the electrical grid, which makes them uniquely portable; they do not rely on reserves located abroad in geopolitically unstable countries and, of course, their source of energythe Sun -is free and inexhaustible for the next few million years. Moreover, the sun's rays reaching the earth are enough to fulfill global energy demand more than 10 thousand times over, i.e. in theory one hour of sunlight is more than enough for a whole year of global consumption. Also, ad extremum, solar energy is the only way of respecting the second law of thermodynamics towards sustainable development, because it benefits from all the massive creation of entropy in the sta...

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The potential of III‐V semiconductors as terrestrial photovoltaic devices

Cited by 177 publications

References 78 publications

Strategic Orientation to Solar Energy Productionand Long Term Financial Benefits

Strategic Orientation to Solar Energy Productionand Long Term Financial Benefits

Epitaxial lift-off process for gallium arsenide substrate reuse and flexible electronics

Dye-sensitized solar cells: A safe bet for the future.

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