Fabrication of 2D and 3D ordered porous ZnO films using 3D opal templates by electrodeposition

Yan, Hongwei; Yang, Yongying; Fu, Zhengping; Yang, Beifang; Xia, Linsheng; Fu, Sheng-Quan; Li, Fanqing

doi:10.1016/j.elecom.2005.08.011

Cited by 71 publications

(44 citation statements)

References 19 publications

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“…Relevant nanostructures have been deposited in colloidal tem- plates consisting of self-assembling layers of polystyrene or silica spheres using methods such as electrodeposition, sol-gel synthesis, and metal salt precipitation from solution [39,104,105]. Figure 11 (a) shows an ordered ZnO nanostructure fabricated on conducting glass by electrodeposition into a template of self-assembled polystyrene spheres.…”

Section: Template-assisted Synthesis Of Ultra-low-cost Photovoltaic Nmentioning

confidence: 99%

“…A variety of nanoscale templates with vertically-aligned pores have been developed, which can either be filled with an appropriate semiconductor or used as masks for patterning underlying semiconductor layers. Relevant templates include self-assembling monolayers of nanoscale materials [37,39], anodic aluminum oxide (AAO) templates [40][41][42][43], and block copolymers [44,45].…”

Section: Template-assisted Synthesismentioning

confidence: 99%

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Nanostructured Inorganic Solar Cells

Musselman¹,

Schmidt‐Mende²

2011

Green

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Abstract. Recent progress in the development of nanostructured inorganic solar cells is reviewed. Nanostructuring of inorganic solar cells offers the possibility of reducing the cost of photovoltaics by allowing smaller amounts of lowergrade photovoltaic semiconductors to be used. Various fabrication methods used to nanostructure traditional photovoltaic semiconductors are detailed and the performance of resulting devices is discussed. The synthesis of solar cells by solution-based methods using less traditional, abundant materials is identified as a promising route to widescale photovoltaic electricity generation, and nanostructured solar cell geometries are highlighted as essential in this approach. Templating and self-assembling methods used to produce appropriate low-cost nanostructures from solutions are detailed, and the performance of preliminary ultra-lowcost cells made with these structures is reviewed.Keywords. Photovoltaic, nanostructured, inorganic. PACS® (2010). 81.07.-b, 88.40.hj, 88.40.hm. Why Nanostructure? An Introduction to the TopicIt has been predicted that the world's annual energy consumption will grow from its 2009 level of around 15 terawatt-years (TWyr) to as much as 30 TWyr by 2050 [1,2]. With more than 100,000 TW of solar power striking the earth at anytime, photovoltaic technology has long been regarded as an integral part of the solution to the world's energy problems [2,3]. Yet, the high cost of traditional photovoltaic technologies has prevented them from displacing a meaningful fraction of the electricity we derive from fossil fuel sources. Fortunately, the prospects for inexpensive photovoltaic electricity generation are improving. In recent years much research has focused on reducing the price, or cost per watt, of photovoltaic cells. In particular, the emergence of fabrication and characterization techniques on the nanometer scale (nanotechnology) has enabled new strategies to harness the sun's power in a cost-effective way. In this review, the manner in which nanotechnology is being used to improve the cost-performance balance of photovoltaic cells composed of inorganic semiconductors will be discussed. The basics of solar cell operation will be briefly explained and traditional solar cells composed of expensive, highly-crystalline inorganic semiconductors will be summarized. Next, we will explain how controlling the morphology of the semiconductors on the scale of hundreds of nanometres or less can improve the collection of electricity-generating charges from the cells, reducing their stringent materials requirements and permitting cheaper fabrication. Various techniques for fabricating nanostructures of traditional photovoltaic semiconductors will be detailed and the performance of state of the art nanostructured inorganic solar cells will be reported. A discussion will follow, in which the availability of traditional photovoltaic semiconductors and the methods for producing relevant nanostructures will be evaluated in the context of whether truly inexpensive solar cells can...

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Section: Template-assisted Synthesis Of Ultra-low-cost Photovoltaic Nmentioning

confidence: 99%

Section: Template-assisted Synthesismentioning

confidence: 99%

Nanostructured Inorganic Solar Cells

Musselman¹,

Schmidt‐Mende²

2011

Green

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“…Among the chemical synthesis methods employed for the formation of porous layers, techniques such as self-assembled monolayer (SAM) [119], sol-gel synthesis [120], hydrothermal synthesis [121,122], successive ionic layer adsorption and reaction (SILAR) method [123], and electrodeposition [124], sometimes associated to the use of templating elements [125], allow the formation of stable porous ZnO nanostructures.…”

Section: Porous Zno Filmsmentioning

confidence: 99%

Nanostructured ZnO Materials: Synthesis, Properties and Applications

Cauda

Gazia

Porro

et al. 2014

Handbook of Nanomaterials Properties

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“…ZnO films can be prepared by many methods, such as thermal oxidation of Zn metallic films [109], sol gel process [110], sputtering [111], chemical vapor deposition [112], pulse laser deposition [113], evaporating method [114], and electrochemical process [115,116].…”

Section: Nanocrystalline Znomentioning

confidence: 99%

Nanocrystalline Metal Oxides for Methane Sensors: Role of Noble Metals

Basu

2009

Journal of Sensors

127

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Methane is an important gas for domestic and industrial applications and its source is mainly coalmines. Since methane is extremely inflammable in the coalmine atmosphere, it is essential to develop a reliable and relatively inexpensive chemical gas sensor to detect this inflammable gas below its explosion amount in air. The metal oxides have been proved to be potential materials for the development of commercial gas sensors. The functional properties of the metal oxide-based gas sensors can be improved not only by tailoring the crystal size of metal oxides but also by incorporating the noble metal catalyst on nanocrystalline metal oxide matrix. It was observed that the surface modification of nanocrystalline metal oxide thin films by noble metal sensitizers and the use of a noble metal catalytic contact as electrode reduce the operating temperatures appreciably and improve the sensing properties. This review article concentrates on the nanocrystalline metal oxide methane sensors and the role of noble metals on the sensing properties.

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Fabrication of 2D and 3D ordered porous ZnO films using 3D opal templates by electrodeposition

Cited by 71 publications

References 19 publications

Nanostructured Inorganic Solar Cells

Nanostructured Inorganic Solar Cells

Nanostructured ZnO Materials: Synthesis, Properties and Applications

Nanocrystalline Metal Oxides for Methane Sensors: Role of Noble Metals

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