Complete Report - University of New South Wales

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ARCPHOTOVOLTAICSCENTRE OFEXCELLENCE2010/11ANNUAL REPORTCentre of Excellence locationin Sydney.Figure 4.2.14.2 Facilities andInfrastructureThe ARC Photovoltaics Centre of Excellence islocated at the Kensington campus of the Universityof New South Wales, about 6 km from the heart ofSydney and close to its world famous beachesincluding Bondi, Coogee and Maroubra(Fig. 4.2.1).Organisationally, the Centre of Excellenceis located within the School of Photovoltaicand Renewable Energy Engineering (SPREE)within the Faculty of Engineering. The Centreof Excellence has a large range of laboratoryfacilities (Fig. 4.2.2). These include the BulkSilicon Research Laboratories, the DeviceCharacterisation Laboratory, the OptoelectronicResearch Laboratories, the Thin-Film CellLaboratory, the Industry CollaborativeLaboratory, Inkjet Processing Laboratory andOrganic Photovoltaic (OPV) Laboratory. Offcampus the Centre has a Thin-Film Cleanroomfacility at Botany, 5km south-west of the maincampus. Another important resource is theSemiconductor Nanofabrication Facility (SNF)jointly operated by the Faculty of Science andthe Faculty of Engineering.Additional equipment commonly used for solarcell work is found at the new MicroAnalyticalResearch Centre (MARC) and elsewhere on theUniversity campus. Included in this categoryare TEM/SEM electron microscopes, focused ionbeam (FIB) specimen preparation equipment,X-ray diffraction, Raman spectroscopy, AFM andsurface analysis equipment. TEM, ellipsometry anda femtosecond time resolved photoluminescencemeasurement system are also regularly accessed atSydney University.During 2010, the development and acquisition oflaboratory equipment and infrastructure continuedwith specific details about significant additionsfound under the laboratory headings which follow.The Centre of Excellence has three computernetworks. Both Kensington and Bay St Botany eachhave a research/admin network. The third networkis for students enrolled in the UndergraduateDegree Courses in Photovoltaics and RenewableEnergy. In 2010, the Kensington Research andAdministrative network grew by 20% to consist of5 file servers, 1 terminal server, 1 intranet server,2 Internet web-servers (hosted on Central ITinfrastructure), 2 licence servers (local and Central)and over 170 client workstations. At Kensington,an additional 31 computers are dedicated tothe computer control of laboratory and otherequipment. The Centre also has a 3 server computercontrolled SCADA and PLC network for equipmentcontrol and monitoring the research laboratoriesand related infrastructure. Bay St Botany has 9dedicated equipment controllers and the research/admin network supports 11 workstations.The computer resources are used for measurement,modelling/simulations, equipment control,16
ARCPHOTOVOLTAICSCENTRE OFEXCELLENCE2010/11ANNUAL REPORTLayout of laboratoriesand other facilitieswithin the ElectricalEngineeringBuilding, Kensington.Figure 4.2.2document control, laboratory design support,Internet access, general administrative purposesand maintaining the Centre’s presence on theInternet.Each postgraduate research student is allocateda dedicated personal computer and has access toshared computer resources.The Centre upgraded Linux (Beowulf) 64bitcluster has an estimated computational power of2 Teraflops to support the demanding Density-Functional-Hartree-Fock and molecular dynamicalcomputations. A second 128 core cluster hasbeen installed for complementary investigationsof energy efficiency and renewable energy viacomputational fluid dynamics techniques.The Student Computer network comprises oftwo computer laboratories of total 78 m 2 with 5servers, a UNSW custom CSE computer based IPQrouter and 34 workstations. Students enrolledin the Undergraduate Degree Courses use thesecomputers for computer-related coursework andInternet access. There is also an Internet capableweb-server that gathers and displays data collectedfrom solar arrays on the roof of the building. Thesedata can be viewed using a web browser and can bemade available for Internet access.Students also have access to over 200additional workstations made available throughcollaboration with the School of Computer Scienceand Engineering.The Laboratory Development and Operations Teamdevelops and maintains core Centre and laboratoryfacilities. During 2010, the team, under theleadership of Mark Silver, comprised of an additional5 equivalent full-time and 11 casual employees,including: electrical engineers, a computer/network manager, electronic/computer/laboratorytechnicians and administrative staff.Bulk Silicon Research LaboratoriesThe Centre houses the largest and mostsophisticated bulk silicon solar cell research facilityin Australia, incorporating both the High Efficiencyand Buried Contact Cell Laboratories. Totallaboratory processing space of over 580m 2 (including the Industry Collaborative,InkJet Processing Development, DeviceCharacterisation and OptoelectronicResearch Labs) is located in the ElectricalEngineering Building and is servicedwith filtered and conditioned air,appropriate cooling water, processinggases, de-ionized water supply, chemicalfume cupboards and local exhausts.There is an additional 819 m 2 area forthe accommodation of staff, researchstudents, school office and laboratorysupport facilities. Another 480 m 2 of combined roofspace accommodates fixed PV arrays and 361m 2of accessible outdoor experimental space. Off site,areas totalling 700 m 2 are used for the storage ofchemicals and equipment spare parts and a new100 m 2 area for a nickel sintering belt furnace facilityat 78 Bay St Botany.The laboratories are furnished with a range ofprocessing and characterisation equipmentincluding 23 tube diffusion furnaces, 6 vacuumevaporation deposition systems, a laser-scribingmachine, 2 laser doping machines, rapid thermalannealer, four-point sheet-resistivityprobe, quartz tube washer, silver/nickel and copper plating facility, visiblewavelength microscopes, 3 wafer maskaligners, spin-on diffusion system,photoresist and dopant spinners, electronbeam deposition system, metallizationbelt furnace, nickel sinter belt furnace,manual and automatic screen printersand a laboratory system control and dataacquisition monitoring system.The laser scribe tool, shown in Figure 4.2.3,has a 20 watt Nd:YAG laser for infraredoperation (1064 nm) and an optionalfrequency doubler for green operation(532 nm). The work stage is CNC controlled allowing1 micron positional accuracy and table speedsapproaching 25 cm/second across an area of 15cm by 15 cm. The tool is used primarily for BuriedCNC Laser Scribe Tool.Figure 4.2.3Wafer Mapping Tool.Figure 4.2.417
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Complete Report - University of New South Wales

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