{"id":1956,"date":"2020-08-29T18:15:39","date_gmt":"2020-08-29T18:15:39","guid":{"rendered":"https:\/\/faculty.engineering.asu.edu\/lpwang\/?page_id=1956"},"modified":"2025-10-10T20:52:41","modified_gmt":"2025-10-10T20:52:41","slug":"facility-overview","status":"publish","type":"page","link":"https:\/\/faculty.engineering.asu.edu\/lpwang\/facility-overview\/","title":{"rendered":"Facility Overview"},"content":{"rendered":"<p class=\"has-text-align-center\" style=\"font-size: 24px;\"><strong>Experimental Facility <\/strong><\/p>\n<!-- \/wp:post-content -->\n\n<!-- wp:paragraph {\"fontSize\":\"medium\"} -->\n<p class=\"has-medium-font-size\"><strong>Material Characterization and Energy Conversion Lab (ERC 326):<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul>\n \t<li><strong>Tunable Light Source<\/strong> (<a href=\"https:\/\/www.newport.com\/p\/TLS-250QU\">Oriel, TLS-250Q<\/a>, UV-VIS-NIR) with a <a href=\"https:\/\/www.newport.com\/medias\/sys_master\/images\/images\/h8f\/hb0\/8797226860574\/Oriel-Cornerstone-130-User-Manual-RevA.pdf\">monochromator<\/a> and a lock-in amplifier (Oriel, Merlin) for external quantum efficiency (<strong>EQE<\/strong>) characterization of solar and near-IR cells with <a href=\"https:\/\/www.newport.com\/f\/flange-mount-photodiode-sensors\">reference detectors<\/a>, and for angular and polarization dependent spectral-hemispherical or diffuse reflection\/transmission\/absorption measurement with an 8&#8221; PTFE integrating sphere (<strong>IS<\/strong>). Compatible fiber optics assembly is also available for small samples;<\/li>\n \t<li><strong>Fourier-transform spectrometer<\/strong> (<a href=\"https:\/\/www.thermofisher.com\/order\/catalog\/product\/912A0760#\/912A0760\" target=\"_blank\" rel=\"noreferrer noopener\">Thermo Scientific Nicolet iS50<\/a>, VIS-NIR-MIR) for characterizing wavelength, angle, polarization, temperature-dependent reflection\/transmission\/absorption\/emission of samples in milimeter sizes from cryogenic to high temperatures:\n<ul>\n \t<li><a href=\"https:\/\/www.thermofisher.com\/order\/catalog\/product\/222-247000#\/222-247000\" target=\"_blank\" rel=\"noreferrer noopener\">Smart iTR\u2122<\/a> attenuated total reflectance (<strong>ATR<\/strong>) sampling accessory;<\/li>\n<\/ul>\n<ul>\n \t<li><strong>Transmission<\/strong> accessory with home-built heating stage (room temp to 150C) for semi-transparent samples;<\/li>\n<\/ul>\n<ul>\n \t<li><a href=\"https:\/\/www.harricksci.com\/ftir\/accessories\/group\/Seagull%E2%84%A2-Variable-Angle-Reflection-Accessory\">Harrick Scientific Seagull<\/a> variable angle (5~85deg) <strong>specular reflection<\/strong> accessory with heating stage (room temp to 150C) for opaque samples;<\/li>\n \t<li><a href=\"https:\/\/www.piketech.com\/product\/sr-10spec\/\" target=\"_blank\" rel=\"noreferrer noopener\">PIKE 10Spec<\/a> 10 degree <strong>specular reflection<\/strong> accessory (room temp) for semi-transparent samples;<\/li>\n \t<li><a href=\"https:\/\/www.piketech.com\/product\/sr-veemax\/\" target=\"_blank\" rel=\"noreferrer noopener\">PIKE VeeMax<\/a> variable angle (30~80deg) <strong>specular reflection<\/strong> accessory (room temp) for semi-transparent samples;<\/li>\n \t<li><a href=\"https:\/\/www.piketech.com\/product\/is-mid-ir-integratir-integrating-sphere\/\" target=\"_blank\" rel=\"noreferrer noopener\">PIKE IntegratIR<\/a> 3&#8221; gold integrating sphere for measuring <strong>infrared hemispherical\/diffuse transmission\/reflection<\/strong> (room temp);<\/li>\n \t<li><strong>FTIR fiber optics<\/strong> with <a href=\"https:\/\/www.harricksci.com\/ftir\/accessories\/group\/FiberMate2%E2%84%A2-Fiber-Optic-Coupler\" target=\"_blank\" rel=\"noreferrer noopener\">Harrick FiberMate2\u2122<\/a> fiber optic coupler and optical fibers (VIS-NIR-MIR) for <em>in-situ<\/em> spectral characterization of material properties due to thermal, mechanical, electrical or chemical changes;<\/li>\n \t<li><strong>High-temperature emissometry<\/strong> home built with a <a href=\"https:\/\/www.newport.com\/f\/blackbody-light-sources\">blackbody calibration source<\/a> for characterizing spectral-directional emissivity from 200C up to 1000C);<\/li>\n \t<li><strong>Cryogenic-to-high-temperature spectrometry platform<\/strong> home-built with optical cryostats (<a href=\"https:\/\/www.janis.com\/products\/product-detail\/janis\/vpf-series-cryostat-systems\">Janis, VPF-800<\/a>) coupled with FTIR spectrometer (VIS-NIR-MIR) for characterizing spectral-directional reflectance\/transmittance\/absorptance of samples cooled or heated in high vacuum environment from 77K &#8211; 800K;<\/li>\n<\/ul>\n<\/li>\n \t<li><strong>Fourier-transform Infrared Microscope<\/strong> (<a href=\"https:\/\/www.thermofisher.com\/order\/catalog\/product\/IQLAADGAAGFABGMADW#\/IQLAADGAAGFABGMADW\" target=\"_blank\" rel=\"noreferrer noopener\">Thermo Scientific Nicolet Continuum<\/a>) for characterizing spectral reflection\/transmission\/absorption\/emission of samples down to tens of micrometer sizes with heating stage (room temp to 150C) or under electrical gating;<\/li>\n \t<li><strong>Microscale Optical Reflection and Transmission Microscope (MORT)<\/strong> home-built with <a href=\"https:\/\/www.thorlabs.com\/newgrouppage9.cfm?objectgroup_ID=7269\" target=\"_blank\" rel=\"noreferrer noopener\">fiber-coupled QTH lamp<\/a>, <a href=\"https:\/\/www.thorlabs.com\/newgrouppage9.cfm?objectgroup_id=7794\" target=\"_blank\" rel=\"noreferrer noopener\">optic fibers<\/a>, and <a href=\"https:\/\/www.thorlabs.com\/newgrouppage9.cfm?objectgroup_ID=3482\" target=\"_blank\" rel=\"noreferrer noopener\">CCD spectrometer<\/a> (200~1000nm) integrated with LabVIEW-controlled <strong>scanning laser thermoreflectance (TR)<\/strong> via x40 objectives for 2D temperature mapping with high spatial resolution down to 2 micrometer;<\/li>\n \t<li><strong>Thermal property analyzer<\/strong> (<a href=\"https:\/\/www.hotdiskinstruments.com\/products-services\/instruments\/tps-2500-s\/\" target=\"_blank\" rel=\"noreferrer noopener\">Hotdisk 2500S<\/a>) based on transient-plane source method for fast characterizations of thermal conductivity\/diffusivity and specific heat capacity of various materials with full modules, sensors, and software; (rotating with Profs. Beomjin Kwon and Qiong Nian)<\/li>\n<\/ul>\n<ul>\n \t<li><strong>Solar thermal\/thermopohotovaltaic test <\/strong>home-built with a 1kW solar simulator (<a href=\"https:\/\/www.newport.com\/f\/high-power-xenon-research-light-sources\" target=\"_blank\" rel=\"noreferrer noopener\">Newport, Xe lamp<\/a>) optically coupled with 12&#8221; box vacuum chamber in high vacuum provided by a turbo pump (<a href=\"https:\/\/www.google.com\/url?sa=t&amp;rct=j&amp;q=&amp;esrc=s&amp;source=web&amp;cd=&amp;ved=2ahUKEwi8l_6inb3rAhVWrp4KHZ0wCLQQFjAAegQIAhAB&amp;url=https%3A%2F%2Fwww.pfeiffer-vacuum.com%2Fen%2Fproducts%2Fvacuum-generation%2Fturbopumps%2Fhybrid-bearing%2Fhipace-80%2F&amp;usg=AOvVaw3I_vCx8zONta8HNDP4JJLq\">Pfeiffer HiPace 80<\/a>) to characterize solar-to-heat efficiency for novel selective solar absorbers, and solar-to-power efficiency with selective absorber\/emitter and thermophotovoltaic cells under variable solar concentrations up to 60 suns for 1cm<sup>2<\/sup> samples\/devices;<\/li>\n \t<li><strong>Thermopohotovaltaic\/vacuum thermal<\/strong> test home-built with variable vacuum gap distance between the emitter and the cell by a Z-stage inside a 24&#8221; stainless steel belljar vacuum chamber with a turbo pump (<a href=\"https:\/\/www.agilent.com\/en\/products\/vacuum-technologies\/high-vacuum-pumps\/turbo-pumping-systems\/tps-compact\" target=\"_blank\" rel=\"noreferrer noopener\">Agilent, TPS Compact<\/a>) to characterize TPV conversion with selective emitter\/filter\/cell at high temperatures;<\/li>\n \t<li><strong>Dynamic cryothermal setup<\/strong> home-built for measuring tunable radiative heat flux between an emitter made of variable-emittance coating and a receiver with both temperatures precisely feedback controlled from 77 K to 800 K in a high vacuum environment of a cryostat with a turbo pump (<a href=\"https:\/\/www.google.com\/url?sa=t&amp;rct=j&amp;q=&amp;esrc=s&amp;source=web&amp;cd=&amp;ved=2ahUKEwi8l_6inb3rAhVWrp4KHZ0wCLQQFjAAegQIAhAB&amp;url=https%3A%2F%2Fwww.pfeiffer-vacuum.com%2Fen%2Fproducts%2Fvacuum-generation%2Fturbopumps%2Fhybrid-bearing%2Fhipace-80%2F&amp;usg=AOvVaw3I_vCx8zONta8HNDP4JJLq\">Pfeiffer HiPace 80<\/a>);<\/li>\n \t<li><strong>Outdoor radiative cooling test<\/strong> setup home-built with auto 8-channel temperature logger (<a href=\"https:\/\/www.omega.com\/en-us\/communication-and-connectivity\/data-acquisition-modules\/p\/OM-USB-TC-Series\" target=\"_blank\" rel=\"noreferrer noopener\">Omega, OM-USB-TC<\/a>) and accurate real-time solar pyranometer (<a href=\"https:\/\/www.kippzonen.com\/Product\/11\/CMP3-Pyranometer#.X0iqcC2ZNBw\" target=\"_blank\" rel=\"noreferrer noopener\">KippZonen, CMP3<\/a>) for measuring stagnation temperature, and with a built-in heater and digital power supply for measuring radiative cooling power of novel radiative cooling coatings;<\/li>\n<\/ul>\n<ul>\n \t<li><strong>Two Class 1000 modular softwall cleanrooms <\/strong>(<a href=\"https:\/\/www.cleanairproducts.com\/softwall-cleanrooms\" target=\"_blank\" rel=\"noreferrer noopener\">Clean Air Products<\/a>) for housing all optical and near-field thermal metrologies to minimize the dust contamination;<\/li>\n \t<li>One 6&#8242; <strong>fume hood<\/strong> along with spin coater, ultrasonic cleaner, hotplate for in-lab sample preparation and synthesis;<\/li>\n \t<li><strong>Optical microscopes<\/strong>: upright, inverted, dark-field, boom-stand, etc;<\/li>\n<\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph {\"fontSize\":\"medium\"} -->\n<p class=\"has-medium-font-size\"><strong>\u00a0Near-field Radiation Lab (ERC 356):<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul>\n \t<li><strong>Plate-Plate near-field thermal metrology (static)<\/strong> home-built to measure steady-state near-field radiative heat transfer between 5x5mm<sup>2<\/sup> samples at vacuum gaps down to 100nm created by either nanoparticles or patterned SU8 posts inside a 12&#8221; stainless steel belljar vacuum chamber and a turbo pump (<a href=\"https:\/\/www.google.com\/url?sa=t&amp;rct=j&amp;q=&amp;esrc=s&amp;source=web&amp;cd=&amp;ved=2ahUKEwi8l_6inb3rAhVWrp4KHZ0wCLQQFjAAegQIAhAB&amp;url=https%3A%2F%2Fwww.pfeiffer-vacuum.com%2Fen%2Fproducts%2Fvacuum-generation%2Fturbopumps%2Fhybrid-bearing%2Fhipace-80%2F&amp;usg=AOvVaw3I_vCx8zONta8HNDP4JJLq\">Pfeiffer HiPace 80<\/a>);<\/li>\n \t<li><strong>Plate-Plate near-field thermal metrology (tuning)<\/strong> home-built to measure tunable\/transient near-field radiative heat transfer between 1cm<sup>2<\/sup> samples at vacuum gaps down to 200nm created by patterned SU8 posts along with in-situ gap capacitance measurement inside a 12&#8221; pyrex belljar vacuum chamber and a turbo pump;<\/li>\n \t<li><strong>Parallelism-plate near-field radiative thermal metrology<\/strong> home-built with Labview controlled tip-tilt motions by motorized stages to align two planar surfaces out of thermal equilibrium without contact down to hundreds of nanometer vacuum gaps for far-field and near-field radiative heat measurement; (in progress)<\/li>\n \t<li><strong>AFM tip-based near-field thermal metrology<\/strong> home-built to measure near-field radiative heat transfer based on laser-deflection technique with bimaterial cantilever and to study near-field force interaction with tuning fork at vacuum gaps down to 30nm precisely controlled by a piezo stage (<a href=\"http:\/\/www.madcitylabs.com\/nanoopseries.html\" target=\"_blank\" rel=\"noreferrer noopener\">MCL Nano-OP30<\/a>) in high vacuum environment provided by a 18&#8221; stainless steel belljar vacuum chamber and a turbo pump (<a href=\"https:\/\/www.agilent.com\/en\/products\/vacuum-technologies\/high-vacuum-pumps\/turbo-pumping-systems\/tps-flexy\" target=\"_blank\" rel=\"noreferrer noopener\">Agilent TPS-Flexy<\/a>); (in progress)<\/li>\n \t<li><strong>Atomic force microscope <\/strong>home-built with A-probe (<a href=\"https:\/\/www.nanoandmore.com\/AFM-Probe-Akiyama-Probe?gclid=EAIaIQobChMI7bvJg6K96wIVRQnnCh3GpAufEAAYASAAEgLt_PD_BwE\" target=\"_blank\" rel=\"noreferrer noopener\">NanoAndMore<\/a>), 3D nanopositioner (<a href=\"http:\/\/www.madcitylabs.com\/nano3d200.html\" target=\"_blank\" rel=\"noreferrer noopener\">MCL, Nano-3D200<\/a>), and digital feedback controller (<a href=\"http:\/\/www.madcitylabs.com\/madpll.html\" target=\"_blank\" rel=\"noreferrer noopener\">MCL, MadPLL<\/a>) for surface topography imaging of micro\/nanostructures;<\/li>\n<\/ul>\n<p class=\"has-medium-font-size\"><strong>STM\/AFM Lab (ISTB4 L1-17A):<\/strong><\/p>\n<!-- \/wp:list -->\n\n<!-- wp:list -->\n<ul>\n \t<li>Commercial <strong>High-vacuum STM\/AFM<\/strong> (<a href=\"https:\/\/www.rhk-tech.com\/beetle\/\" target=\"_blank\" rel=\"noreferrer noopener\">RHK Beetle<\/a>) with variable magnetic field and optical access for studying extreme near-field radiative transfer; (DURIP award, installed)<\/li>\n<\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph {\"align\":\"center\",\"style\":{\"typography\":{\"fontSize\":24}}} -->\n<p class=\"has-text-align-center\" style=\"font-size: 24px;\"><strong>Computational Resources<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph {\"fontSize\":\"medium\"} -->\n<p class=\"has-medium-font-size\"><strong>Student Office (ERC-316):<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul>\n \t<li>2x\u00a0High-performance Workstations (Dell Precision T7600, 2 eight-core processors at 3.10GHz, 64GB Ram) for simulation work<\/li>\n \t<li>4x\u00a0Office Workstations (Dell Precision T1650, 2 four-core processors at 3.40GHz, 8GB Ram)<\/li>\n \t<li>Commercial ANSYS Full Research Package for <strong>multiphysics simulation<\/strong> of coupled optical, thermal, mechanical phenomena at nanoscale<\/li>\n \t<li>Commercial\u00a0<strong>EM full-wave simulation<\/strong> package from <a href=\"http:\/\/www.lumerical.com\/tcad-products\/fdtd\/\">Lumerical FDTD Solutions\u00a0<\/a>with one\u00a0full license plus one additional engine license<\/li>\n \t<li>Home-made Matlab codes for modeling radiative properties of multilayer thin films (thin-film optics and transfer matrix method, isotropic and anisotropic)<\/li>\n \t<li>Home-made Matlab codes for modeling radiative properties of multilayer periodic micro\/nanostructures (1D and 2D rigorous coupled-wave analysis)<\/li>\n \t<li>Home-made Matlab codes for modeling near-field thermal radiation between planar layered structures and patterned structures with effective medium theory (fluctuational electrodynamics, isotropic and anisotropic)<\/li>\n \t<li>Home-made Matlab codes for modeling near-field thermal radiation between\u00a0periodic micro\/nanostructures (fluctuational electrodynamics in combination with rigorous coupled-wave analysis based on scattering matrix method)<\/li>\n<\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph {\"align\":\"center\",\"style\":{\"typography\":{\"fontSize\":24}}} -->\n<p class=\"has-text-align-center\" style=\"font-size: 24px;\"><strong>User Facility and Resources available at ASU<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul>\n \t<li><a href=\"http:\/\/more.engineering.asu.edu\/nanofab\/\">ASU Nanofab<\/a><\/li>\n \t<li><a href=\"http:\/\/enpub.fulton.asu.edu\/csser\/\">Center for Solid State Electronics Research (CSSER) (old)<\/a><\/li>\n \t<li><a href=\"http:\/\/le-csss.asu.edu\/front\">LeRoy Eyring Center for Solid State Science<\/a><\/li>\n \t<li><a href=\"http:\/\/a2c2.asu.edu\/\">ASU Advanced Computing Center (a2c2)<\/a><\/li>\n<\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph {\"align\":\"center\",\"style\":{\"typography\":{\"fontSize\":24}}} -->\n<p class=\"has-text-align-center\" style=\"font-size: 24px;\"><strong>Purchasing and Vendors<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul>\n \t<li><a href=\"https:\/\/cfo.asu.edu\/purchasing-sunrise\">ASU Purchasing (SUNRISE) <\/a>(VWR, Thermo Fisher, McMaster-Carr, Staples, Agilent, etc) (ask Dr. Wang for access)<\/li>\n \t<li><a href=\"http:\/\/www.newport.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Newport<\/a>, <a href=\"http:\/\/www.thorlabs.us\/index.cfm?\" target=\"_blank\" rel=\"noopener noreferrer\">Thorlabs<\/a>, <a href=\"http:\/\/www.standa.lt\/\" target=\"_blank\" rel=\"noopener noreferrer\">Standa<\/a>, <a href=\"http:\/\/www.omega.com\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">Omega<\/a>, <a href=\"http:\/\/www.lesker.com\" target=\"_blank\" rel=\"noopener noreferrer\">KJ Lesker<\/a>, <a href=\"http:\/\/www.janis.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Janis<\/a>, <a href=\"http:\/\/www.virginiasemi.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Wafers<\/a>, <a href=\"http:\/\/www.mcmaster.com\/#\">McMaster-Carr<\/a>, <a href=\"ebay.com\">Ebay<\/a>, <a href=\"http:\/\/www.nanoandmore.com\/USA\/home.php\">AFM probe<\/a> (<a href=\"https:\/\/docs.google.com\/spreadsheets\/d\/1y542PYJilNuYpGpbJKZHJw8irrFtmNMIrPt4AAeSraA\/edit?usp=sharing\">Vendor list<\/a>)<\/li>\n \t<li>Key and ISSAC request to the office and labs, see <a href=\"http:\/\/engineering.asu.edu\/semte\/services_facilities_ISAAC.html#top\">SEMTE Facility<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p class=\"mb-2\">Experimental Facility Material Characterization and Energy Conversion Lab (ERC 326): Tunable Light Source (Oriel, TLS-250Q, UV-VIS-NIR) with a monochromator and a lock-in amplifier (Oriel, Merlin) for external quantum efficiency (EQE) characterization of solar and near-IR cells with reference detectors, and for angular and polarization dependent spectral-hemispherical or diffuse reflection\/transmission\/absorption measurement with an 8&#8221; PTFE integrating&#8230;<\/p>\n","protected":false},"author":83,"featured_media":0,"parent":0,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1956","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/faculty.engineering.asu.edu\/lpwang\/wp-json\/wp\/v2\/pages\/1956","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/faculty.engineering.asu.edu\/lpwang\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/faculty.engineering.asu.edu\/lpwang\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/faculty.engineering.asu.edu\/lpwang\/wp-json\/wp\/v2\/users\/83"}],"replies":[{"embeddable":true,"href":"https:\/\/faculty.engineering.asu.edu\/lpwang\/wp-json\/wp\/v2\/comments?post=1956"}],"version-history":[{"count":0,"href":"https:\/\/faculty.engineering.asu.edu\/lpwang\/wp-json\/wp\/v2\/pages\/1956\/revisions"}],"wp:attachment":[{"href":"https:\/\/faculty.engineering.asu.edu\/lpwang\/wp-json\/wp\/v2\/media?parent=1956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}