[1] S XU, B J HANSEN, Z L WANG. Piezoelectric-nanowire-enabled power source for driving wireless microelectronics. Nature Communications, 93(2010).

[2] D A VAN DEN ENDE, DE WIEL H J VAN, W A GROEN et al. Direct strain energy harvesting in automobile tires using piezoelectric PZT-polymer composites. Smart Materials and Structures, 0150(2012).

[3] X H XU, H LI. Photoacoustic imaging in biomedicine. Physics, 111-119(2008).

[4] A CARULLO, M PARVIS. An ultrasonic sensor for distance measurement in automotive applications. IEEE Sensors Journal, 143(2001).

[5] S ROUNDY, P K WRIGHT. A piezoelectric vibration based generator for wireless electronics. Smart Materials and Structures, 1131(2004).

[6] S L SWARTZ. Topics in electronic ceramics. IEEE Transactions on Electrical Insulation, 935-987(1990).

[7] J M MATTOX. Additive manufacturing and its implications for military ethics. Journal of Military Ethics, 225-234(2013).

[8] T IBN-MOHAMMED, S C L KOH, I M REANEY et al. Integrated hybrid life cycle assessment and supply chain environmental profile evaluations of lead-based (lead zirconate titanate) versus lead-free (potassium sodium niobate) piezoelectric ceramics. Energy & Environmental Science, 3495-3520(2016).

[9] A J BELL, O DEUBZER. Lead-free piezoelectrics-the environmental and regulatory issues. MRS Bulletin, 581-587(2018).

[10] R E NEWNHAM, D P SKINNER, L E CROSS. Connectivity and piezoelectric-pyroelectric composites. Materials Research Bulletin, 525-536(1978).

[11] H JANTUNEN, T HU, A UUSIMÄKI et al. Tape casting of ferroelectric, dielectric, piezoelectric and ferromagnetic materials. Journal of the European Ceramic Society, 1077-1081(2004).

[12] G T PARK, J J CHOI, C S PARK et al. Piezoelectric and ferroelectric properties of 1-μm-thick lead zirconate titanate film fabricated by a double-spin-coating process. Applied Physics Letters, 2322-2324(2004).

[13] H P SAVAKUS, K A KLICKER, R E NEWNHAM. PZT-epoxy piezoelectric transducers: a simplified fabrication procedure. Materials Research Bulletin, 677-680(1981).

[14] L GARCÍA-GANCEDO, S M OLHERO, F J ALVES et al. Application of gel-casting to the fabrication of 1-3 piezoelectric ceramic-polymer composites for high-frequency ultrasound devices. Journal of Micromechanics and Microengineering, 125001(2012).

[15] M LEJEUNE, T CHARTIER, C DOSSOU-YOVO et al. Ink-jet printing of ceramic micro-pillar arrays. Advances in Science and Technology, 413-420(2006).

[16] Y ICHIDA. Current status of 3D printer use among automotive suppliers: can 3D printed-parts replace cast parts. IFEAMA SPSCP, 69-82(2016).

[17] M R NICHOLS. How does the automotive industry benefit from 3D metal printing?. Metal Powder Report, 257-258(2019).

[18] P LAMBERT, N CHARTRAIN, A SCHULTZ et al. Mask Projection Microstereolithography of Novel Biocompatible Polymers. International Solid Freeform Fabrication Symposium, 974-990(2014).

[19] X SONG, Z CHEN, L LEI et al. Piezoelectric component fabrication using projection-based stereolithography of barium titanate ceramic suspensions. Rapid Prototyping Journal, 44-53(2017).

[20] B TILLER, A REID, B ZHU et al. Piezoelectric microphone via a digital light processing 3D printing process. Materials & Design, 1075(2019).

[21] M M OVHAL, N KUMAR, J W KANG. 3D direct ink writing fabrication of high-performance all-solid-state micro-supercapacitors. Molecular Crystals and Liquid Crystals, 105-111(2020).

[22] R L TRUBY, J A LEWIS. Printing soft matter in three dimensions. Nature, 371-378(2016).

[23] Y CHU, C QIAN, P CHAHAL et al. Printed diodes: Materials processing, fabrication, and applications. Advanced Science, 18016(2019).

[24] J HEINZL, C H HERTZ. Ink-jet printing. Advances in Electronics and Electron Physics, 91-171(1985).

[25] T WANG, B DERBY. Ink-jet printing and sintering of PZT. Journal of the American Ceramic Society, 2053-2058(2005).

[26] K Y LEE, J W CHO, N Y CHANG et al. Accuracy of three-dimensional printing for manufacturing replica teeth. The Korean Journal of Orthodontics, 217-225(2015).

[27] A SAFARI, J CESARANO, P G CLEM et al. Fabrication of Advanced Functional Electroceramic Components by Layered Manufacturing (LM) Methods. Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectrics, 2002. ISAF, Japan, 1-6(2002).

[28] F CASTLES, D ISAKOV, A LUI et al. Microwave dielectric characterisation of 3D-printed BaTiO₃/ABS polymer composites. Scientific Reports, 227(2016).

[29] S PARUPELLI, S DESAI. A comprehensive review of additive manufacturing (3D printing): processes, applications and future potential. American Journal of Applied Sciences, 244-272(2019).

[30] P J BÁRTOLO. Stereolithography:Materials, Processes and Applications, 42(2011).

[31] W K SWAINSON. Method, Medium and Apparatus for Producing Three-dimensional Figure Product. US Patent, 4041476(1977).

[32] C W HULL. Apparatus for Production of Three-dimensional Objects by Stereolithography. US Patent, 45753301(1986).

[33] C W HULL, S T SPENCE, D J ALBERT et al. Methods and Apparatus for Production of Three-dimensional Objects by Stereolithography. US Patent, 5059359(1991).

[34] S LI, W DUAN, T ZHAO et al. The fabrication of SiBCN ceramic components from preceramic polymers by digital light processing (DLP) 3D printing technology. Journal of the European Ceramic Society, 4597-4603(2018).

[35] C HE, X LIU, C MA et al. Digital light processing fabrication of mullite component derived from preceramic precursor using photosensitive hydroxysiloxane as the matrix and alumina nanoparticles as the filler. Journal of the European Ceramic Society, 5570-5577(2021).

[36] O DUFAUD, P MARCHAL, S CORBEL. Rheological properties of PZT suspensions for stereolithography. Journal of the European Ceramic Society, 2081-2092(2002).

[37] O DUFAUD, S CORBEL. Oxygen diffusion in ceramic suspensions for stereolithography. Chemical Engineering Journal, 55-62(2003).

[38] O DUFAUD, S CORBEL. Application of stereolithography to chemical engineering: ‘from macro to micro’. Chemical Engineering Research and Design, 133-138(2005).

[39] K KIM, W ZHU, X QU et al. 3D optical printing of piezoelectric nanoparticle-polymer composite materials. ACS Nano, 9799-9806(2014).

[40] Z CHEN, X SONG, L LEI et al. 3D printing of piezoelectric element for energy focusing and ultrasonic sensing. Nano Energy, 78-86(2016).

[41] M M VIJATOVIĆ, J D BOBIĆ, B D STOJANOVIĆ. History and challenges of barium titanate: Part II. Science of Sintering, 235-244(2008).

[42] W CHEN, F WANG, K YAN et al. Micro-stereolithography of KNN-based lead-free piezoceramics. Ceramics International, 4880-4885(2019).

[43] Y SAITO, H TAKAO, T TANI et al. Lead-free piezoceramics. Nature, 84-87(2004).

[44] H CUI, R HENSLEIGH, D YAO et al. Three-dimensional printing of piezoelectric materials with designed anisotropy and directional response. Nature Materials, 234-241(2019).

[45] Y CHEN, X BAO, C M WONG et al. PZT ceramics fabricated based on stereolithography for an ultrasound transducer array application. Ceramics International, 22725-22730(2018).

[46] III J CESARANO, P D CALVERT. Freeforming Objects with Low-binder Slurry. US Patent, 6027326(2000).

[47] S L MORISSETTE, J A LEWIS, J CESARANO et al. Solid freeform fabrication of aqueous alumina-poly (vinyl alcohol) gelcasting suspensions. Journal of the American Ceramic Society, 2409-2416(2000).

[48] E B DUOSS, M TWARDOWSKI, J A LEWIS. Sol-Gel inks for direct-write assembly of functional oxides. Advanced Materials, 3485-3489(2007).

[49] C F MARQUES, F H PERERA, A MAROTE et al. Biphasic calcium phosphate scaffolds fabricated by direct write assembly: mechanical, anti-microbial and osteoblastic properties. Journal of the European Ceramic Society, 359-368(2017).

[50] D B KOLESKY, R L TRUBY, A S GLADMAN et al. 3D bioprinting of vascularized, heterogeneous cell-laden tissue constructs. Advanced Materials, 3124-3130(2014).

[51] D B KOLESKY, K A HOMAN, M A SKYLAR-SCOTT et al. Three-dimensional bioprinting of thick vascularized tissues. Proceedings of the National Academy of Sciences, 3179-3184(2016).

[52] J E SMAY, J CESARANO, J A LEWIS. Colloidal inks for directed assembly of 3-D periodic structures. Langmuir, 5429-5437(2002).

[53] R WANG, P ZHU, W YANG et al. Direct-writing of 3D periodic TiO₂ bio-ceramic scaffolds with a Sol-Gel ink for in vitro cell growth. Materials & Design, 304-309(2018).

[54] T CHEN, A SUN, C CHU et al. Rheological behavior of titania ink and mechanical properties of titania ceramic structures by 3D direct ink writing using high solid loading titania ceramic ink. Journal of Alloys and Compounds, 321-328(2019).

[55] B A TUTTLE, J E SMAY, J CESARANO et al. Robocast Pb(Zr_0.95Ti_0.05)O₃ ceramic monoliths and composites. Journal of the American Ceramic Society, 872-874(2001).

[56] J E SMAY, III J CESARANO, B A TUTTLE et al. Piezoelectric properties of 3-X periodic Pb(Zr_xTi_1-x)O₃-polymer composites. Journal of Applied Physics, 6119-6127(2002).

[57] J E SMAY, III J CESARANO, B A TUTTLE et al. Directed colloidal assembly of linear and annular lead zirconate titanate arrays. Journal of the American Ceramic Society, 293-295(2004).

[58] Y LI, L LI, B LI. Direct ink writing of three-dimensional (K, Na)NbO₃- based piezoelectric ceramics. Materials, 1729-1737(2015).

[59] M GAO, L LI, W LI et al. Direct writing of patterned, lead-free nanowire aligned flexible piezoelectric device. Advanced Science, 16001(2016).

[60] H KIM, A RENTERIA-MARQUEZ, M D ISLAM et al. Fabrication of bulk piezoelectric and dielectric BaTiO₃ ceramics using paste extrusion 3D printing technique. Journal of the American Ceramic Society, 3685-3694(2019).

[61] M LORENZ, A MARTIN, K G WEBBER et al. Electromechanical properties of Robocasted barium titanate ceramics. Advanced Engineering Materials, 200(2020).

[62] W LIU, X REN. Large piezoelectric effect in Pb-free ceramics. Physical Review Letters, 2576(2009).

[63] B NAN, S OLHERO, R PINHO et al. Direct ink writing of macroporous lead-free piezoelectric Ba_0.85Ca_0.15Zr_0.1Ti_0.9O₃. Journal of the American Ceramic Society, 3191-3203(2019).

[64] B NAN, F J GALINDO-ROSALES, J M F FERREIRA. 3D printing vertically: direct ink writing free-standing pillar arrays. Materials Today, 16-24(2020).

[65] T TARIVERDIAN, A BEHNAMGHADER, P B MILAN et al. 3D-printed barium strontium titanate-based piezoelectric scaffolds for bone tissue engineering. Ceramics International, 14029-14038(2019).

[66] B DERBY. Inkjet printing of functional and structural materials: fluid property requirements, feature stability, and resolution. Annual Review of Materials Research, 395-414(2010).

[67] P F BLAZDELL, J R G EVANS, M J EDIRISINGHE et al. The computer aided manufacture of ceramics using multilayer jet printing. Journal of Materials Science Letters, 1562-1565(1995).

[68] Q F XIANG, J R G EVANS, M J EDIRISINGHE et al. Solid freeforming of ceramics using a drop-on-demand jet printer. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 211-214(1997).

[69] X ZHAO, J R G EVANS, M J EDIRISINGHE et al. Direct ink-jet printing of vertical walls. Journal of the American Ceramic Society, 2113-2115(2002).

[70] W D TENG, M J EDIRISINGHE, J R G EVANS. Optimization of dispersion and viscosity of a ceramic jet printing ink. Journal of the American Ceramic Society, 486-494(1997).

[71] A R BHATTI, M MOTT, J R G EVANS et al. PZT pillars for 1-3 composites prepared by ink-jet printing. Journal of Materials Science Letters, 1245-1248(2001).

[72] R NOGUERA, C DOSSOU-YOVO, M LEJEUNE et al. Fabrication of 3D fine scale PZT components by ink-jet prototyping process. Journal de Physique IV (Proceedings), 87-93(2005).

[73] R NOGUERA, M LEJEUNE, T CHARTIER. 3D fine scale ceramic components formed by ink-jet prototyping process. Journal of the European Ceramic Society, 2055-2059(2005).

[74] M LEJEUNE, T CHARTIER, C DOSSOU-YOVO et al. Ink-jet printing of ceramic micro-pillar arrays. Journal of the European Ceramic Society, 905-911(2009).

[75] O NOSHCHENKO, D KUSCER, O C MOCIOIU et al. Effect of milling time and pH on the dispersibility of lead zirconate titanate in aqueous media for inkjet printing. Journal of the European Ceramic Society, 297-305(2014).

[76] T BAKARIČ, B MALIČ, D KUSCER. Lead-zirconate-titanate- based thick-film structures prepared by piezoelectric inkjet printing of aqueous suspensions. Journal of the European Ceramic Society, 4031-4037(2016).

[77] D KUSCER, S DRNOVŠEK, F LEVASSORT. Inkjet-printing- derived lead-zirconate-titanate-based thick films for printed electronics. Materials & Design, 1093(2020).

[78] H WAGATA, R GALLAGE, M YOSHIMURA et al. Patterning of BaTiO₃ by inkjet deposition using a precursor solution. Materials Science and Engineering: B, 146-150(2009).

[79] K A SEERDEN, N REIS, J R EVANS et al. Ink-jet printing of wax-based alumina suspensions. Journal of the American Ceramic Society, 2514-2520(2001).

[80] D C VADILLO, T R TULADHAR, A C MULJI et al. The rheological characterization of linear viscoelasticity for ink jet fluids using piezo axial vibrator and torsion resonator rheometers. Journal of Rheology, 781-795(2010).

[81] J A LEWIS. Direct ink writing of 3D functional materials. Advanced Functional Materials, 2193-2204(2006).

[82] T SCHLORDT, S SCHWANKE, F KEPPNER et al. Robocasting of alumina hollow filament lattice structures. Journal of the European Ceramic Society, 3243-3248(2013).

[83] J T MUTH, D M VOGT, R L TRUBY et al. Embedded 3D printing of strain sensors within highly stretchable elastomers. Advanced Materials, 6307-6312(2014).

[84] T F MCNULTY, F MOHAMMADI, A BANDYOPADHYAY et al. Development of a binder formulation for fused deposition of ceramics. Rapid Prototyping Journal, 144-150(1998).

[85] A BANDYOPADHYAY, R K PANDA, T F MCNULTY et al. Piezoelectric ceramics and composites via rapid prototyping techniques. Rapid Prototyping Journal, 37-49(1998).

[86] G M LOUS, I A CORNEJO, T F MCNULTY et al. Fabrication of piezoelectric ceramic/polymer composite transducers using fused deposition of ceramics. Journal of the American Ceramic Society, 124-128(2000).

[87] R E BRENNAN, S TURCU, A HALL et al. Fabrication of electroceramic components by layered manufacturing (LM). Ferroelectrics, 3-17(2003).

[88] A SAFARI, M ALLAHVERDI, E K AKDOGAN. Solid freeform fabrication of piezoelectric sensors and actuators. Frontiers of Ferroelectricity, 177-198(2006).

[89] A SAFARI, E K AKDOGAN. Rapid prototyping of novel piezoelectric composites. Ferroelectrics, 153-179(2006).

[90] H KIM, T FERNANDO, M LI et al. Fabrication and characterization of 3D printed BaTiO₃/PVDF nanocomposites. Journal of Composite Materials, 197-206(2018).