Results 171 to 180 of about 11,701 (225)

Stabilized perovskite ink for scalable coating enables high-efficiency perovskite modules. [PDF]

Sci Adv
Liu Y, Wang J, Liu T, Wang L, Zhou Y, Zhang Y, Dou Y, Shi X, Yan H, Dasgupta A, Snaith HJ, Chen S.   +11 more
europepmc   +1 more source

Nanomaterial Solutions for Environmental Applications and Bacteriological Threats: The Role of Laser-Induced Graphene. [PDF]

Nanomaterials (Basel)
Vallejo Pat MA, Ezekiel-Hart H, Powell CD.   +2 more
europepmc   +1 more source

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Novel laser scribed graphene devices

2014 International Symposium on Next-Generation Electronics (ISNE), 2014
Wafer-scale graphene devices could be fabricated by one step laser scribing method. Four kinds of novel laser scribed graphene devices have been developed, including in-plane transistors, photodetectors, loudspeakers and strain sensors. The in-plane graphene transistors have a large on/off ratio up to 5.34.
He Tian, Yi Shu, Ya-Long Cui, Yi Yang, Tian-Ling Ren   +4 more
openaire   +1 more source

Flexible laser scribed biomimetic supercapacitors

Frontiers in Optics 2016, 2016
An enhancement of 101 Whcm−3 in the energy storage density was attained for the laser scribed graphene oxide supercapacitors using the biomimetic structures adopted from Fern leaf structures in comparison with its planar electrode counterpart. OCIS codes: (220.0220) Optical design and fabrication; (220.4000) Microstructure fabrication.
Litty V. Thekkekara, Ling Qiu, Dan Li, Min Gu   +3 more
openaire   +1 more source

Precision laser scribing machine

SPIE Proceedings, 1994
In this paper we describe a new high precision laser scribing machine. The platform of this machine is driven by a servo motor controlled with an photoelectric coder and computer. With a predetermined laser beam axis angle (equal to 25 degree(s)) to the normal line of the workpiece's surface, the laser beam axis is always quasi-perpendicular to the ...
Yongzheng Li, Qiu'e Zhang
openaire   +1 more source

Innovative laser based solar cell scribing

SPIE Proceedings, 2011
The solar photovoltaic market is continuously growing utilizing boths crystalline silicon (c-Si) as well as thin film technologies. This growth is directly dependant on the manufacturing costs for solar cells. Factors for cost reduction are innovative ideas for an optimization of precision and throughput.
Bruno Frei, Stefan Schneeberger, Reiner Witte   +2 more
openaire   +1 more source

Laser scribing of polycrystalline thin films

Optics and Lasers in Engineering, 2000
Abstract We have investigated the use of several different types of lasers for scribing of the polycrystalline materials used for thin-film solar cells: CdTe, CuInGaSe2 (CIGS), ZnO, SnO2, Mo, Al, and Au. The lasers included four different neodymium–yttrium–aluminum garnet (Nd:YAG) (both 1064 and 532 nm wavelengths), a Cu vapor (511/578 nm), an XeCl ...
A.D Compaan, I Matulionis, S Nakade
openaire   +1 more source

Neurite Guidance on Laser-Scribed Reduced Graphene Oxide

Nano Letters, 2018
This paper describes a one-step, chemical-free method to generate micropatterned in vitro neuronal networks on chemically unmodified reduced graphene oxide. The suggested method relies on infrared-based photothermal reduction of graphene oxide, which concurrently leads to the formation of submicrometer-scale surface roughness that promotes neuronal ...
Sang Hwa Lee, Han Byeol Lee, Yoonyoung Kim, Jae Ryeol Jeong, Min Hyung Lee, Kyungtae Kang   +5 more
openaire   +2 more sources

Mechanically inspired laser scribing of thin flexible glass

Optics Letters, 2015
Laser cutting of thin glass (
Adam R, Collins, Gerard M, O'Connor
openaire   +2 more sources