Catalina Suescun Gonzalez, Aditi Basdeo, Alessia Romani, Fabio A. Cruz Sanchez, Cécile Nouvel, Hakim Boudaoud & Joshua M. Pearce. (2026). Evaluation of the Potential of Large-Scale 3D Printing to Promote a Circular Economy of PET Plastic Bottles: Comparison Between European and North American. In: Kohl, H., Seliger, G., Dietrich, F., Campana, G. (eds) Safe and Sustainable Value Creation by Design. GCSM 2025. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-032-21157-6_58
Apoorv Kulkarni, Louisa Eckey, Pietro Mosca, Rajat Chaudhary, Amir Hadian, Joshua M. Pearce, Frank Clemens & Gian Domenico Soraru. Effect of thermoplastic polyurethane filament on the cellular ceramics structures obtained from material extrusion and polymer-derived ceramic. Progress in Additive Manufacturing (2025). https://doi.org/10.1007/s40964-025-01243-w, academia
Catalina Suescun Gonzalez, Aditi Basdeo, Fabio A. Cruz Sanchez, Cécile Nouvel, Joshua M. Pearce, Hakim Boudaoud, Strategies for recycling multi-material polymer blends for additive manufacturing, Sustainable Materials and Technologies, 2025, e01430, https://doi.org/10.1016/j.susmat.2025.e01430.Academia OA
Antonini, G.; Ordonez-Loza, J.; Mathew, J.; Cullen, J.; Muller, C.; Al-Omari, A.; Bell, K.; Santoro, D.; Pearce, J.M. Electrode Materials Comparison for Hydrogen Production from Wastewater Electrolysis of Spiked Secondary Effluent. Sustainability 2025, 17, 3988. https://doi.org/10.3390/su17093988academia open access
Kimia Aghamohammadesmaeilketabforoosh, Joshua Givans, Morgan Woods, Joshua M. Pearce. Creating Custom 3D Printing Material Colors Using Optical Modeling of Waste Plastic. Advanced Manufacturing, 2025(2):0007, https://doi.org/10.55092/am20250007Academia OA, preprint
Mottaghi, M., Kulkarni, A. and Pearce, J. Recycling Silicon Photovoltaic Cells into Silicon Anodes for Li-ion Batteries Using 3D Printing. RSC Sustainability 2025,3, 1859-1869 .https://doi.org/10.1039/D4SU00808AOA Academia.edu
Alessia Romani, Daniel Kulas, Joseph Curro, David Shonnard, Joshua M. Pearce, Recycled Filtered Contaminants from Liquid-Fed Pyrolysis as Novel Building Composite Material, Journal of Building Engineering, 102, 2025, 112025, https://doi.org/10.1016/j.jobe.2025.112025. Academia OA
Roy, R.; Mottaghi, M.; Woods, M.; Pearce, J.M. Life Cycle Carbon Emissions Savings of Replacing Concrete with Recycled Polycarbonate and Sand Composite. Sustainability 2025, 17, 839. https://doi.org/10.3390/su17030839Academia OA, preprint
Liu, D.; Basdeo, A.; Gonzalez, C.S.; Romani, A.; Boudaoud, H.; Nouvel, C.; Cruz Sanchez, F.A.; Pearce, J.M. Low-Cost Open-Source Melt Flow Index System for Distributed Recycling and Additive Manufacturing. Materials 2024, 17, 5966. https://doi.org/10.3390/ma17235966Academia.edu, Preprint
Suescun Gonzalez C, Cruz Sanchez FA, Boudaoud H, Nouvel C, Pearce JM. Multi-material distributed recycling via material extrusion: recycled high density polyethylene and poly (ethylene terephthalate) mixture. Polymer Engineering & Science 2024; 1-16. https://doi.org/10.1002/pen.26643Academia OA
Alessia Romani, Marinella Levi, Joshua M. Pearce, Recycled polycarbonate and polycarbonate/acrylonitrile butadiene styrene feedstocks for circular economy product applications with fused granular fabrication-based additive manufacturing, Sustainable Materials and Technologies, 2023, Volume 38, December 2023, e0073038, e00730, ISSN 2214-9937, https://doi.org/10.1016/j.susmat.2023.e00730. Academia OApreprint
Nupur Bihari, Ismo T.S. Rauha, Giovanni Marin, Craig Ekstrum, Chathura de Alwis, Pierce J. Mayville, Hele Savin, Maarit Karppinen, Joshua M. Pearce,Understanding the multilevel phenomena that enables inorganic atomic layer deposition to provide barrier coatings for highly-porous 3-D printed plastic in vacuums,Surface and Coatings Technology,462, 2023, 129475. https://doi.org/10.1016/j.surfcoat.2023.129475.OA academia
Ravneet S. Rattan, Nathan Nauta, Alessia Romani, and Joshua M. Pearce. Hangprinter for Large Scale Additive Manufacturing using Fused Particle Fabrication with Recycled Plastic and Continuous Feeding, HardwareX 2023, e00401, https://doi.org/10.1016/j.ohx.2023.e00401. Academia OA.
R. Selvapriya, J. Vinodhini, T. Abhijith, V. Sasirekha, V. Ragavendran, J.M. Pearce, J. Mayandi. Fabrication of Bimetallic Inlaid Working Electrode for Highly Efficient Dye Sensitized Solar Cells. Journal of Alloys and Compounds 939, 2023, 168634. https://doi.org/10.1016/j.jallcom.2022.168634.OA academia
Tharuman, S., Balakumar, V., Vinodhini, J., Karthikeyani, R., Mayandi, J., Sasirekha, V. and Pearce, J.M., 2022. Visible light driven photocatalytic performance of 3D TiO2/g-C3N5 nanocomposite via Z-scheme charge transfer promotion for water purification. Journal of Molecular Liquids, 371, p.121101. https://doi.org/10.1016/j.molliq.2022.121101OA academia
Shane Oberloier, Wilson J Holmes, Luke A Reich, Joshua M Pearce, (2022). Particle Swarm Optimization of Printing Parameters for Open-Source TIG-Based Metal 3D Printing,Chinese Journal of Mechanical Engineering: Additive Manufacturing Frontiers, 1(4),100050, https://doi.org/10.1016/j.cjmeam.2022.100050. (OA)Academia OA
S. Mahalakshmi, Jeyanthinath Mayandi, Suresh Sagadevan, V. Ragavendran, K. Manikandan, S. Arumugam, J.M. Pearce, V. Venkatachalapathy,Enriched second-harmonic generation in meta-phase barium titanate nanostructures synthesized by sol-gel hydrothermal method. Journal of Alloys and Compounds,2022,936, 168171, https://doi.org/10.1016/j.jallcom.2022.168171. Academia open accesspreprintAcademia open accesspreprint
Tsala-Mbala, C.; Hayibo, K.S.; Meyer, T.K.; Couao-Zotti, N.; Cairns, P.; Pearce, J.M. Technical and Economic Viability of Distributed Recycling of Low-Density Polyethylene Water Sachets into Waste Composite Pavement Blocks. J. Compos. Sci. 2022, 6, 289. https://doi.org/10.3390/jcs6100289Academia OA, preprint
Pierce J. Mayville, Aliaksei L. Petsiuk, and Joshua M. Pearce. Thermal Post-Processing of 3-D Printed Polypropylene Parts for Vacuum Systems. Journal of Manufacturing and Materials Processing 2022. 2022, 6(5), 98; https://doi.org/10.3390/jmmp6050098Academia OA
Ekstrum, C.A.; Venkatesan, R.; Kendrick, C.; Einav, M.; Sivaprakash, P.; Mayandi, J.; Arumugam, S.; Pearce, J.M. The Effects of Substrate Temperature on the Growth, Microstructural and Magnetic Properties of Gadolinium-Containing Films on Aluminum Nitride. Surfaces 2022, 5, 321-333. https://doi.org/10.3390/surfaces5020024OA academia
Dongzhao Jin, Theresa K. Meyer, Siyu Chen, Kwadwo Ampadu Boateng, Joshua M. Pearce, Zhanping You, Evaluation of lab performance of stamp sand and acrylonitrile styrene acrylate waste composites without asphalt as road surface materials, Construction and Building Materials, 338, 2022,127569, https://doi.org/10.1016/j.conbuildmat.2022.127569.Academia OA
Oberloier, S., Whisman, N. G., & Pearce, J. M. (2022). Finding Ideal Parameters for Recycled Material Fused Particle Fabrication-Based 3D Printing Using an Open Source Software Implementation of Particle Swarm Optimization. 3D Printing and Additive Manufacturing. https://doi.org/10.1089/3dp.2022.0012 (OA)Academia OA
Enaganti, P.K., Soman, S., Devan, S.S., Pradhan, S.C., Srivastava, A.K., Pearce, J.M., Goel, S., Dye-sensitized solar cells as promising candidates for underwater photovoltaic applications. Progress in Photovoltaics: Research and Applications 2022; 1- 8. https://doi.org/10.1002/pip.3535Academia open access
Yuejiao Yang, Apoorv Kulkarni, Gian Domenico Soraru, Joshua M Pearce, Antonella Motta. 3D printed SiOC(N) ceramic scaffolds for bone tissue regeneration: improved osteogenic differentiation of human bone marrow‐derived mesenchymal stem cells. International Journal of Molecular Sciences 2021, 22(24), 13676; https://doi.org/10.3390/ijms222413676 OA, academia
Mazher Mohammed, Daniel Wilson, Eli Gomez-Kervin, Aliaksei Petsiuk, Rachel Dick, Joshua M. Pearce. Sustainability and Feasibility Assessment of Distributed E-Waste Recycling using Additive Manufacturing in a Bi-Continental Context. Additive Manufacturing. 50, 102548 (2022) https://doi.org/10.1016/j.addma.2021.102548, academia.
R. Selvapriya, T. Abhijith, V. Ragavendran, V. Sasirekha, V.S. Reddy, J.M. Pearce, J. Mayandi,Impact of Coupled Plasmonic Effect with Multishaped Silver Nanoparticles on Efficiency of Dye Sensitized Solar Cells, Journal of Alloys and Compounds,2021,162339, https://doi.org/10.1016/j.jallcom.2021.162339
V. Kavitha, V. Ragavendran, N. Sethupathi, Suresh Sagadevan, V. Sasirekha, J.M. Pearce and Jeyanthinath Mayandi. 2021. Microwave-Assisted Synthesized Gadolinium Doped Barium Strontium Titanate Nanostructures: Structural and Optical Properties for DSSC Applications. Malaysian NANO-An International Journal, 1(1), pp.71-82. https://mnij.um.edu.my/index.php/MNIJ/article/view/31947academia
Sasikala, R., Kandasamy, M., Suresh, S., Ragavendran, V., Sasirekha, V., Pearce, J.M., Murugesan, S. and Mayandi, J., 2021. Enhanced Dye-Sensitized Solar Cell Performance using Strontium Titanate Perovskite Integrated Photoanodes Modified with Plasmonic Silver Nanoparticles. Journal of Alloys and Compounds, 889, 161693. https://doi.org/10.1016/j.jallcom.2021.161693academia
Apoorv Kulkarni, Joshua M. Pearce, Yuejiao Yang, Antonella Motta and Gian Domenico Sorarù. Fully dense SiOC(N) cellular structures by integrating FFF 3-D printing with polymer derived ceramics. Advanced Engineering Materials 2021, 2100535. https://doi.org/10.1002/adem.202100535 OA, academia
Hubbard BR, Putman LI, Techtmann S, Pearce JM. Open Source Vacuum Oven Design for Low-Temperature Drying: Performance Evaluation for Recycled PET and Biomass. Journal of Manufacturing and Materials Processing. 2021; 5(2):52. https://doi.org/10.3390/jmmp5020052open accesspreprint
Lihong (Heidi) Jiao and Joshua Pearce. Optoelectronic Properties: Carrier Transport, Recombination, and Stability. 2021. Edited By: Nikolas J Podraza and Robert W Collins. Chap 6. in The World Scientific Reference of Amorphous Materials- Volume 3: Structure, Properties, and Applications of Tetrahedrally Bonded Thin-Film Amorphous Semiconductorshttps://doi.org/10.1142/9789811215612_0006
Marcello C. Guadagno,Jacob M. Loss and Joshua M. Pearce. Open Source 3D-Printable Planetary Roller Screw for Food Processing Applications. Technologies. 2021; 9(2):24. https://doi.org/10.3390/technologies9020024open access
Aliaksei L. Petsiuk and Joshua M. Pearce. Open Source 3-D Filament Diameter Sensor for Recycling, Winding and Additive Manufacturing Machines. Journal of Manufacturing Science and Engineering. 143(10): 105001 (2021) https://doi.org/10.1115/1.4050762Arxivopen access
R. Selvapriya, V. Sasirekha, P. Vajeeston, J.M. Pearce, J. Mayandi. Reaction Induced Multifunctional TiO2 Rod/Spherical Nanostructured Materials for Screen Printed Dye Sensitized Solar Cells. Ceramics International. 47(6), 2021, 8094-8104. https://doi.org/10.1016/j.ceramint.2020.11.164open access
Arthur Alexandre, Fabio A. Cruz Sanchez, Hakim Boudaoud, Mauricio Camargo, and Joshua M. Pearce.Mechanical Properties of Direct Waste Printing of Polylactic Acid with Universal Pellets Extruder: Comparison to Fused Filament Fabrication on Open-Source Desktop Three-Dimensional Printers. 3D Printing and Additive Manufacturing. 7(5) 2020, 237-247. http://doi.org/10.1089/3dp.2019.0195open access
Little, H.A.; Tanikella, N.G.; J. Reich, M.; Fiedler, M.J.; Snabes, S.L.; Pearce, J.M. Towards Distributed Recycling with Additive Manufacturing of PET Flake Feedstocks. Materials 2020, 13, 4273. https://doi.org/10.3390/ma13194273open access
Adam M. Pringle, Shane Oberloier, Aliaksei L.Petsiuk, Paul G. Sanders, Joshua M.Pearce. Open Source Arc Analyzer: Multi-Sensor Monitoring of Wire Arc Additive Manufacturing. HardwareX 8 (2020) e00137. https://doi.org/10.1016/j.ohx.2020.e00137open access
Rasoul Bayaniahangar, Shahab Bayani Ahangar, Zhongtian Zhang, Bruce P.Lee, Joshua M.Pearce. 3-D printed magnetic soft magnetic helical coil actuators of iron oxide embedded polydimethylsiloxane. Sensors and Actuators B: Chemical 326, (2021), 128781. https://doi.org/10.1016/j.snb.2020.128781open access
Noah G.Skrzypczak, Nagendra G.Tanikella, Joshua M.Pearce. Open source high-temperature RepRap for 3-D printing heat-sterilizable PPE and other applications. HardwareX 8,(2020), e00130 https://doi.org/10.1016/j.ohx.2020.e00130open access
Nupur Bihari, Ismo T. S. Heikkinen, Giovanni Marin, Craig Ekstrum, Pierce J. Mayville, Shane Oberloier, Hele Savin, Maarit Karppinen and Joshua M. Pearce. Vacuum Outgassing Characteristics of Unpigmented 3-D Printed Polymers Coated with ALD Alumina. Journal of Vacuum Science and Technology A: Vacuum, Surfaces and FilmsJournal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 38, 053204 (2020); https://doi.org/10.1116/6.0000178open accessAalto preprint
Theresa K. Meyer, Nagendra G. Tanikella, Matthew J. Reich, Joshua M. Pearce. Potential of distributed recycling from hybrid manufacturing of 3-D printing and injection molding of stamp sand and acrylonitrile styrene acrylate waste composite.Sustainable Materials and Technologies 25, 2020, e00169 https://doi.org/10.1016/j.susmat.2020.e00169open access
Arthur Alexandre, Fabio A. Cruz Sanchez, Hakim Boudaoud, Mauricio Camargo, and Joshua M. Pearce.Mechanical Properties of Direct Waste Printing of Polylactic Acid with Universal Pellets Extruder: Comparison to Fused Filament Fabrication on Open-Source Desktop Three-Dimensional Printers. 3D Printing and Additive Manufacturing.2020 (in press) http://doi.org/10.1089/3dp.2019.0195open access
C. Abinaya, R. Manjula Devi, P. Suresh, N.Balasubramanian, N. Muthaiya, N.D. Kannan,J. Annaraj, V. Shanmugaiah, J.M.Pearce, P. Shanmugapriya, J. Mayandi. Antibacterial and anticancer activity of hydrothermally-synthesized zinc oxide nanomaterials using natural extracts of neem, pepper and turmeric as solvent media. Nano Express.1 (2020) 010029. https://doi.org/10.1088/2632-959X/ab8a76open access
Fabio A.Cruz Sanchez, Hakim Boudaoud, Mauricio Camargo, Joshua M.Pearce. Plastic recycling in additive manufacturing: A systematic literature review and opportunities for the circular economy. Journal of Cleaner Production264, 2020, 121602 https://doi.org/10.1016/j.jclepro.2020.121602open access
Samantha C. Dertinger, Nicole Gallup, Nagendra G. Tanikella, Marzio Grasso, Samireh Vahid,Peter J.S.Foot, Joshua M. Pearce. Technical pathways for distributed recycling of polymer composites for distributed manufacturing: Windshield wiper blades. Resources, Conservation and Recycling 157, 2020, 104810. https://doi.org/10.1016/j.resconrec.2020.104810open access
Ismo T.S. Heikkinen, Giovanni Marin, Nupur Bihari, Craig Ekstrum, Pierce J. Mayville, Yuhuan Fei, Yun Hang Hu, Maarit Karppinen, Hele Savin,Joshua M.Pearce. Atomic layer deposited aluminium oxide mitigates outgassing from fused filament fabrication–based 3-D printed components. Surface and Coatings Technology 386 (2020) 125459. https://doi.org/10.1016/j.surfcoat.2020.125459open access
Apoorv Kulkarni, Gian Domenico Sorarù, Joshua M. Pearce. Polymer-derived SiOC Replica of Material Extrusion-based 3D Printed Plastics. Additive Manufacturing Volume 32, 2020, 100988. https://doi.org/10.1016/j.addma.2019.100988open accessarxiv
Arvind Ravindran, Sean Scsavnicki, Walker Nelson, Peter Gorecki, Jacob Franz, Shane Oberloier, Theresa K. Meyer, Andrew R. Barnard and Joshua M. Pearce. Open Source Waste Plastic Granulator. Technologies 2019, 7(4), 74; https://doi.org/10.3390/technologies7040074open access
Niklas Kretzschmar, Sami Lipponen, Ville Klar, Joshua M. Pearce, Tom L. Ranger, Jukka Seppälä, and Jouni Partanen. Mechanical Properties of Ultraviolet-Assisted Paste Extrusion and Postextrusion Ultraviolet-Curing of Three-Dimensional Printed Biocomposites. 3D Printing and Additive Manufacturing. 6(3) 127-137, 2019. https://doi.org/10.1089/3dp.2018.0148open access
Matthew J. Reich, Aubrey L. Woern, Nagendra G. Tanikella, and Joshua M. Pearce. Mechanical Properties & Applications of Recycled Polycarbonate Particle Material Extrusion-based Additive Manufacturing. Materials 2019, 12(10), 1642; https://doi.org/10.3390/ma12101642open access
Ragavendran Venkatesan, Jeyanthinath Mayandi, Joshua M. Pearce, Vishnukanthan Venkatachalapathy. Influence of metal assisted chemical etching time period on mesoporous structure in as-cut upgraded metallurgical grade silicon for solar cell application. Journal of Materials Science: Materials in Electronics 30(9), pp 8676–8685 (2019). https://doi.org/10.1007/s10854-019-01191-6open access
Nupur Bihari, Smruti Prasad Dash, Karankumar C. Dhankani, Joshua M. Pearce. 3-D printable open source dual axis gimbal system for optoelectronic measurements. Mechatronics (in press) DOI: https://doi.org/10.1016/j.mechatronics.2018.07.005
Ismo T. S. Heikkinen, Christoffer Kauppinen, Zhengjun Liu, Sanja M. Asikainen, Steven Spoljaric, Jukka V. Seppälä, Hele Savin, and Joshua M. Pearce. Chemical Compatibility of Fused Filament Fabrication -based 3-D Printed Components with Solutions Commonly Used in Semiconductor Wet Processing. Additive Manufacturing 23, pp. 99-107 (2018). DOI: https://doi.org/10.1016/j.addma.2018.07.015open access
Aubrey L. Woern, Joseph R. McCaslin, Adam M. Pringle, and Joshua M. Pearce. RepRapable Recyclebot: Open Source 3-D Printable Extruder for Converting Plastic to 3-D Printing Filament. HardwareX 4C (2018) e00026 doi: https://doi.org/10.1016/j.ohx.2018.e00026open access
Wijnen, B., Sanders, P. & Pearce, J.M. Improved model and experimental validation of deformation in fused filament fabrication of polylactic acid. Progress in Additive Manufacturing 3(4), pp. 193–203 (2018). https://doi.org/10.1007/s40964-018-0052-4open access
A. Chandrasekaran, T. Prasankumar, Sujin P Jose, K. Anitha, C. Ekstrum, J. M. Pearce, J. Mayandi. "Synthetic method dependent physico-chemical properties and electrochemical performance of Ni doped ZnO", Chemistry Select 2(28), 2017, pp. 9014–9023. doi: https://doi.org/10.1002/slct.201701584open access
A. Chandrasekaran, J. Mayandi, J. Osborne, M. Frost, C. Ekstrum, J. M. Pearce. Inhibition of growth of S. epidermidis by hydrothermally synthesized ZnO nanoplates" Materials Research Express 4(7) 075401. https://doi.org/10.1088/2053-1591/aa796dopen access
C. Abinaya, M. Marikkannan, M. Manikandan, J. Mayandi, P. Suresh, V. Shanmugaiah, C. Ekstrum, J.M. Pearce, Structural and optical characterization and efficacy of hydrothermal synthesized Cu and Ag doped zinc oxide nanoplate bactericides. Materials Chemistry and Physics184 (2016), pp. 172–182. http://dx.doi.org/10.1016/j.matchemphys.2016.09.039open access
Selvaraj, M., Venkatachalapathy, V., Mayandi, J., Karazhanov, S. and Pearce, J. M., Preparation of meta-stable phases of barium titanate by sol-hydrothermal method. AIP Advances, 5, 117119 (2015), DOI:http://dx.doi.org/10.1063/1.4935645open access
M. Prabhu, J. Mayandi, R. N. Mariammal, V. Vishnukanthan, J. M. Pearce, N. Soundararajan and K. Ramachandran. Peanut shaped ZnO microstructures: controlled synthesis and nucleation growth toward low-cost dye sensitized solar cells. Materials Research Express2(6): 066202 (2015). doi:10.1088/2053-1591/2/6/066202open access
Marikkannan, M., Vishnukanthan, V., Vijayshankar, A., Mayandi, J. and Pearce, J. M., A novel synthesis of tin oxide thin films by the sol-gel process for optoelectronic applications.AIP Advances, 5, 027122 (2015), DOI:http://dx.doi.org/10.1063/1.4909542open access
M. Einav, D.V.P. McLaughlin and J. M. Pearce. "Bandgap and Microstructural Engineering of InGaN for Solar Photovoltaic Applications" ISPlasma 2011 Proceedings, 3rd International Symposium on Advanced Plasma Science, March 2011, Nagoya, Japan. P3-087A-LN.
M.L. Albert, J. Deng, X.Niu, J. M. Pearce, R. W. Collins, and C. R. Wronski, "The Creation and Relaxation Kinetics of Light Induced Defects in a-Si:H Located at Different Energies in the Gap", Mater. Res. Soc. Symp. Proc., 862, A13.2, 2005.
J. Deng, M. L. Albert, J. M. Pearce, R. W. Collins, and C. R. Wronski, "The Nature of Native and Light Induced Defect States in i-layers of High Quality a-Si:H Solar Cells Derived from Dark Forward Bias Current-Voltage Characteristics", Mater. Res. Soc. Symp. Proc., 862, A11.4, 2005.
G.M. Ferreira, A.S. Ferlauto, Chi Chen, R.J. Koval, J.M. Pearce, C. Ross, C.R. Wronski and R.W. Collins, "Kinetics of Silicon Film Growth and the Deposition Phase Diagram", Journal of Non-Crystalline Solids, 338-340, pp. 13-18, 2004.
A. S. Ferlauto, G. M. Ferreira, J. M. Pearce, C. R. Wronski, R. W. Collins, X. Deng and G. Ganguly, "Analytical Model for the Optical Functions of Amorphous Semiconductors and Its Applications in Thin Film Photovoltaics", Thin Solid Films 455-456, pp. 388-392, 2004.
A. S. Ferlauto, G. M. Ferreira, R. J. Koval, J. M. Pearce, C. R. Wronski, R. W. Collins, M. M. Al-Jassim, and K. M. Jones, "Evaluation of Compositional Depth Profiles in Mixed Phase (Amorphous + Crystalline) Silicon Films from Real Time Spectroscopic Ellipsometry", Thin Solid Films 455-456, pp. 665-669, 2004.
C. R. Wronski, J. M. Pearce, J. Deng, V. Vlahos, and R. W. Collins, "Intrinsic and Light Induced Gap States in a-Si:H Materials and Solar Cells - Effects of Microstructure", Thin Solid Films, 451-452 pp. 470-475, 2004.
G.M. Ferreira, A.S. Ferlauto, J.M. Pearce, C.R. Wronski, C. Ross, and R.W. Collins, "Comparison of Phase Diagrams for vhf and rf Plasma-Enhanced Chemical Vapor Deposition of Si:H Films", Mat. Res. Soc. Symp. Proc. 808, A5.2, 2004.
J. M. Pearce, V. Vlahos, J. Deng, R. W. Collins, C. R. Wronski, J. Whitaker and P. C. Taylor, "Evolution of D0 and non-D0 Light Induced Defect States in a-Si:H Materials and Their Respective Contribution to Carrier Recombination", Mat. Res. Soc. Symp. Proc. 808, A2.5, 2004.
R.W. Collins, A.S. Ferlauto, G.M. Ferreira, C. Chen, J. Koh, R.J. Koval, Y. Lee, J.M. Pearce, and C. R. Wronski, "Evolution of microstructure and phase in amorphous, protocrystalline, and microcrystalline silicon studied by real time spectroscopic ellipsometry", Solar Energy Materials and Solar Cells, 78(1-4), pp. 143-180, 2003.
A.S. Ferlauto, G.M. Ferreira, R.J. Koval, J. M. Pearce, C.R. Wronski, and R.W. Collins, "Evolution of Crystallinity in Mixed-phase (a+mc)-Si:H as Determined by Real Time Ellipsometry", Mat. Res. Soc. Symp. Proc. 762, A5.10, 2003.
R.W. Collins, A.S. Ferlauto, G.M. Ferreira, J. Koh, C. Chen, R.J. Koval, J.M. Pearce, C.R. Wronski, M.M. Al-Jassim, and K.M. Jones, "Application of Deposition Phase Diagrams for the Optimization of a-Si:H-Based Materials and Solar Cells" Mat. Res. Soc. Symp. Proc.,762, A10.1, 2003.
J. M. Pearce, J. Deng, V. Vlahos, R. W. Collins, and C. R. Wronski, "Light Induced Changes in Two Distinct Defect States At and Below Midgap in a-Si:H", Proceedings of the 3rd World Conference on Photovoltaic Energy Conversion, 5O-D14-01, 2003. open access
C. R. Wronski, R. W. Collins, J. M. Pearce, J. Deng, V. Vlahos, G. M. Ferreira, and C. Chen, "Optimization of Phase-Engineered a-Si:H-Based Multijunction Solar Cells", National Center for Photovoltaics Program Review and Solar Program Proceedings, February 2003, NREL/CD-520-33586 pp. 789-792.
R. W. Collins, G.M. Ferreira, J. M. Pearce, A. S. Ferlauto, R. J. Koval, and C. R. Wronski, "Real Time Optics of the Growth of Silicon Thin Films in Photovoltaics: Analysis of the Amorphous-to-Microcrystalline Phase Transition", National Center for Photovoltaics Program Review and Solar Program Proceedings, February 2003, NREL/CD-520-33586 pp. 772-775.
R. W. Collins, G. M. Ferreira, A. S. Ferlauto, R. J. Koval, J. M. Pearce, C. R. Wronski, M. M. Al-Jassim, and K. M. Jones, "Thickness evolution of the microstructure of Si:H films in the amorphous-to-microcrystalline phase transition", Proceedings of the 3rd World Conference on Photovoltaic Energy Conversion, S2O-B6-02, 2003.
C.R. Wronski, J. M. Pearce, R. J. Koval, X. Niu, A. S. Ferlauto, J. Koh, and R. W. Collins "Light Induced Defect Creation Kinetics in Thin Film Protocrystalline Silicon Materials and Their Solar Cells" Mat. Res. Soc. Symp. Proc. 715, A13.4, 2002.
J. M. Pearce, R. J. Koval, X. Niu, S. J. May, R.W. Collins, and C. R. Wronski, "The 'Fast' and 'Slow' Light Induced Defects in Diluted and Undiluted Hydrogenated Amorphous Silicon Solar Cells and Materials", 17th European Photovoltaic Solar Energy Conference Proceedings, 3, pp. 2842-2845, 2002.open access
J. Pearce, X. Niu, R. Koval, G. Ganguly, D. Carlson, R.W. Collins, C.R. Wronski, "Contributions of DO and non-DO gap states to the kinetics of light induced degradation of amorphous silicon under 1 sun illumination", Mat. Res. Soc. Symp. Proc., 664, A12.3, 2001.
J. M. Pearce, R. J. Koval, A.S. Ferlauto, R. W. Collins, and C. R. Wronski, "Limitations of Bulk Generation-Recombination on Open Circuit Voltage under 1 Sun Illumination in Amorphous Silicon Solar Cells", Technical Digest of the 12th International Photovoltaic Science and Engineering Conference, pp. 251-252, 2001.
Christopher R. Wronski, Joshua M. Pearce, Randy J. Koval, Robert W. Collins, "Metastability in Hydrogenated Amorphous Based Materials and Solar Cells", Technical Digest of the 12th International Photovoltaic Science and Engineering Conference, pp. 33-36, 2001.
R. J. Koval, J. M. Pearce, A.S. Ferlauto, J. Koh, R.W. Collins, and C.R. Wronski, "Evolution of Optoelectronic Properties of Hydrogen Diluted Si:H Materials and their Effect on Solar Cell Characteristics, Technical Digest, Review meeting for Research with Overseas Research Institutes, pp. 9-16, February 2, 2001.
C.R. Wronski, R.J. Koval, J. M. Pearce, A.S. Ferlauto, J. Koh, and R. W. Collins, "Protocrystalline Phase Transitions in Si:H Materials and Their Effect on Solar Cell Characteristics", 11th Workshop on Crystalline Silicon Cell Materials and Processes, NREL/BK-520-30838, pp 93-94, August 19-22, 2001.
R. W. Collins, A.S. Ferlauto, R. J. Koval, J. M. Pearce, P.I. Rovira, and C. R. Wronski, "Insights for Improvement of Silicon-based Solar Cells from Real Time Optics Studies", Technical Digest, Review meeting for Research with Overseas Research Institutes, pp. 1-8, February 2, 2001.
R.W. Collins, A.S. Ferlauto, R.J. Koval, J.M. Pearce, and C.R. Wronski, "Progress in High Stability Amorphous Silicon-Based Solar Cells with Guidance from Real Time Optics", National Center for Photovoltaics Program Review Proceedings, 2001, pp.21-22.
R. J. Koval, A. S. Ferlauto, P. I. Rovira, X. Niu, J. Pearce, R. W. Collins, C. R. Wronski, "Optimization of protocrystalline Si:H Materials and Fabrication of Stable High-Performance Solar Cells", National Center for Photovoltaics Program Review Proceedings, April 2000, p. 215.
Randy Koval, Xinwei Niu, Joshua Pearce, Lihong Jiao, Gautam Ganguly, Jeffrey Yang, Subhendu Guha, Robert W. Collins, Christopher R. Wronski, "Kinetics of Light Induced Changes in Protocrystalline Thin Film Materials and Solar Cells", Mat. Res. Soc. Symp. Proc., 609, A15.5, 2000.
