[1] OHJI T, FUKUSHIMA M. Macro-porous ceramics: processing and properties[J]. International Materials Reviews, 115(2012).

[2] SCIAMANNA V, NAIT-ALI B, GONON M. Mechanical properties and thermal conductivity of porous alumina ceramics obtained from particle stabilized foams[J]. Ceramics International, 2599(2015).

[3] HA J H, LEE S, CHOI J R et al. Development of a carbon-coated reticulated porous alumina material with tailored structural properties for potential radar-absorption applications[J]. Ceramics International, 16924(2017).

[4] GUO Z, ZHOU C. Recent advances in ink-based additive manufacturing for porous structures[J]. Additive Manufacturing, 48: 102405(2021).

[5] MENDES M A, GOETZE P, TALUKDAR P et al. Measurement and simplified numerical prediction of effective thermal conductivity of open-cell ceramic foams at high temperature[J]. International Journal of Heat and Mass Transfer, 102: 396(2016).

[6] HU F, WU S, SUN Y. Hollow-structured materials for thermal insulation[J]. Advanced Materials, 1801001(2019).

[7] MORGAN K Y, SKLAVIADIS D, TOCHKA Z L et al. Multi- material tissue engineering scaffold with hierarchical pore architecture[J]. Advanced Functional Materials, 5873(2016).

[8] ZENG D, WU J, KENNEDY J F. Application of a chitosan flocculant to water treatment[J]. Carbohydrate Polymers, 135(2008).

[9] MIDDELKOOP V, SLATER T, FLOREA M et al. Next frontiers in cleaner synthesis: 3D printed graphene-supported CeZrLa mixed- oxide nanocatalyst for CO₂ utilisation and direct propylene carbonate production[J]. Journal of Cleaner Production, 214: 606(2019).

[10] FARAHANI H, WAGIRAN R, HAMIDON M N. Humidity sensors principle, mechanism, and fabrication technologies: a comprehensive review[J]. Sensors, 7881(2014).

[11] CAO J, DONG X, LI L et al. Recycling of waste fly ash for production of porous mullite ceramic membrane supports with increased porosity[J]. Journal of the European Ceramic Society, 3181(2014).

[12] AKHTAR F, ANDERSSON L, OGUNWUMI S et al. Structuring adsorbents and catalysts by processing of porous powders[J]. Journal of the European Ceramic Society, 1643(2014).

[13] DONG L H, ZHANG H J, ZHANG J et al. Carbon nanotube modified sepiolite porous ceramics for high-efficient oil/water separation[J]. Journal of Inorganic Materials, 689(2020).

[14] MURPHY S V, ATALA A. 3D bioprinting of tissues and organs[J]. Nature Biotechnology, 773(2014).

[15] FUKUSHIMA M, ZHOU Y, MIYAZAKI H et al. Microstructural characterization of porous silicon carbide membrane support with and without alumina additive[J]. Journal of the American Ceramic Society, 1523(2006).

[16] LI F, KANG Z, HUANG X et al. Preparation of zirconium carbide foam by direct foaming method[J]. Journal of the European Ceramic Society, 3513(2014).

[17] LI F, LIANG M, MA X F et al. Preparation and characterization of stoichiometric zirconium carbide foams by direct foaming of zirconia sols[J]. Journal of Porous Materials, 22: 493(2015).

[18] HEDAYAT N, DU Y, ILKHANI H. Review on fabrication techniques for porous electrodes of solid oxide fuel cells by sacrificial template methods[J]. Renewable and Sustainable Energy Reviews, 77: 1221(2017).

[19] SCHELM K, ABREU MORALES E, SCHEFFLER M. Mechanical and surface-chemical properties of polymer derived ceramic replica foams[J]. Materials, 1870(2019).

[21] DORCHEH A S, ABBASI M. Silica aerogel; synthesis, properties and characterization[J]. Journal of Materials Processing Technology, 10(2008).

[22] GURAV J L, JUNG I K, PARK H H et al. Silica aerogel: synthesis and applications[J]. Journal of Nanomaterials, 409310(2010).

[23] LIU R, XU T, WANG C A. A review of fabrication strategies and applications of porous ceramics prepared by freeze-casting method[J]. Ceramics International, 2907(2016).

[24] STUDART A R, GONZENBACH U T, TERVOORT E et al. Processing routes to macroporous ceramics: a review[J]. Journal of the American Ceramic Society, 1771(2006).

[25] LASGORCEIX M, CHAMPION E, CHARTIER T. Shaping by microstereolithography and sintering of macro-micro-porous silicon substituted hydroxyapatite[J]. Journal of the European Ceramic Society, 1091(2016).

[26] TETIK H, WANG Y, SUN X et al. Additive manufacturing of 3D aerogels and porous scaffolds: a review[J]. Advanced Functional Materials, 2103410(2021).

[27] HWA L C, RAJOO S, NOOR A M et al. Recent advances in 3D printing of porous ceramics: a review[J]. Current Opinion in Solid State and Materials Science, 323(2017).

[28] FENG J, SU B L, XIA H et al. Printed aerogels: chemistry, processing, and applications[J]. Chemical Society Reviews, 3842(2021).

[29] SAADI M, MAGUIRE A, POTTACKAL N T et al. Direct ink writing: a 3D printing technology for diverse materials[J]. Advanced Materials, 2108855(2022).

[30] ZHANG F, LI Z, XU M et al. A review of 3D printed porous ceramics[J]. Journal of the European Ceramic Society, 3351(2022).

[32] POPOV V, EVSEEV A, IVANOV A et al. Laser stereolithography and supercritical fluid processing for custom-designed implant fabrication[J]. Journal of Materials Science: Materials in Medicine, 123(2004).

[33] MANÇANARES C G, DE S, ZANCUL E, CAVALCANTE DA SILVA J et al. Additive manufacturing process selection based on parts’ selection criteria[J]. The International Journal of Advanced Manufacturing Technology, 1007(2015).

[34] LIU S, MO L, BI G et al. DLP 3D printing porous β-tricalcium phosphate scaffold by the use of acrylate/ceramic composite slurry[J]. Ceramics International, 21108(2021).

[35] PROVIN C, MONNERET S. Complex ceramic-polymer composite microparts made by microstereolithography[J]. IEEE Transactions on Electronics Packaging Manufacturing, 59(2002).

[36] ZHANG B, PEI X, SONG P et al. Porous bioceramics produced by inkjet 3D printing: effect of printing ink formulation on the ceramic macro and micro porous architectures control[J]. Composites Part B: Engineering, 112(2018).

[37] HOLMAN R K, UHLAND S A, CIMA M J et al. Surface adsorption effects in the inkjet printing of an aqueous polymer solution on a porous oxide ceramic substrate[J]. Journal of Colloid and Interface Science, 266(2002).

[38] RABINSKIY L, RIPETSKY A, SITNIKOV S et al[conf-proc].

[39] MUNIZ N O, VECHIETTI F A, DOS SANTOS L A L. Influence of several binders on the mechanical properties of alumina parts manufactured by 3D inkjet printing[J]. Materials Research Express, 115341(2019).

[40] MINAS C, CARNELLI D, TERVOORT E et al. 3D printing of emulsions and foams into hierarchical porous ceramics[J]. Advanced Materials, 9993(2016).

[41] JIN H, YANG Z, LI H et al. Fabrication of Si₂N₂O ceramic foam by combination of direct ink writing and biological foaming techniques[J]. Advanced Engineering Materials, 1901541(2020).

[42] WANG L, FENG J, LUO Y et al. Versatile thermal-solidifying direct-write assembly towards heat-resistant 3D-printed ceramic aerogels for thermal insulation[J]. Small Methods, 2200045(2022).

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

[44] LEWIS J A, SMAY J E, STUECKER J et al. Direct ink writing of three-dimensional ceramic structures[J]. Journal of the American Ceramic Society, 3599(2006).

[45] CESARANO J, GRIECO S. Robocasting: a new technique for the freeform fabrication of near-net-shape ceramics[J]. Materials Technology, 98(1997).

[46] NEUMANN T V, DICKEY M D. Liquid metal direct write and 3D printing: a review[J]. Advanced Materials Technologies, 2000070(2020).

[47] LIU N, SUN X, CHEN Z et al. Direct ink writing of dense alumina ceramics prepared by rapid sintering[J]. Ceramics International, 30767(2022).

[48] LIU Q, ZHAI W. Hierarchical porous ceramics with distinctive microstructures by emulsion-based direct ink writing[J]. ACS Applied Materials & Interfaces, 32196(2022).

[49] ROOPAVATH U K, MALFERRARI S, VAN HAVER A et al. Optimization of extrusion based ceramic 3D printing process for complex bony designs[J]. Materials & Design, 162: 263(2019).

[50] WANG L, FENG J, LUO Y et al. Three-dimensional-printed silica aerogels for thermal insulation by directly writing temperature- induced solidifiable inks[J]. ACS Applied Materials & Interfaces, 40964(2021).

[51] LI Z, LI J, LUO H et al. Direct ink writing of 3D piezoelectric ceramics with complex unsupported structures[J]. Journal of the European Ceramic Society, 3841(2022).

[52] TROKSA A L, ESHELMAN H V, CHANDRASEKARAN S et al. 3D-printed nanoporous ceramics: tunable feedstock for direct ink write and projection microstereolithography[J]. Materials & Design, 198: 109337(2021).

[53] HUANG K, ELSAYED H, FRANCHIN G et al. 3D printing of polymer-derived SiOC with hierarchical and tunable porosity[J]. Additive Manufacturing, 36: 101549(2020).

[54] YARAHMADI M, ROA J, ZHANG J et al. Micromechanical properties of yttria-doped zirconia ceramics manufactured by direct ink writing[J]. Journal of the European Ceramic Society, 2884(2022).

[55] YARAHMADI M, BARCELONA P, FARGAS G et al. Optimization of the ceramic ink used in direct ink writing through rheological properties characterization of zirconia-based ceramic materials[J]. Ceramics International, 4775(2022).

[56] ÁLVAREZ F, CIFUENTES A, SERRANO I et al. Optimization of the sintering thermal treatment and the ceramic ink used in direct ink writing of α-Al₂O₃: characterization and catalytic application[J]. Journal of the European Ceramic Society, 2921(2022).

[57] MA S, LIU X, FU S et al. Direct ink writing of porous SiC ceramics with geopolymer as binder[J]. Journal of the European Ceramic Society, 6815(2022).

[58] SCHAFFNER M, FABER J A, PIANEGONDA L et al. 3D printing of robotic soft actuators with programmable bioinspired architectures[J]. Nature Communications, 878(2018).

[59] M’BARKI A, BOCQUET L, STEVENSON A. Linking rheology and printability for dense and strong ceramics by direct ink writing[J]. Scientific Reports, 6017(2017).

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

[61] REBBER M, TROMMLER M, LOKTEVA I et al. Additive-free, gelled nanoinks as a 3D printing toolbox for hierarchically structured bulk aerogels[J]. Advanced Functional Materials, 2112914(2022).

[62] HE P, TANG X, CHEN L et al. Patterned carbon nitride-based hybrid aerogel membranes via 3D printing for broadband solar wastewater remediation[J]. Advanced Functional Materials, 1801121(2018).

[63] OLIVEIRA R L, ALVES A P, BARBOSA L et al. 3D printing of bioactive glass S53P4/sodium alginate sintering-free scaffolds[J]. Bioprinting, 27: e00226(2022).

[64] MENSHUTINA N, ABRAMOV A, TSYGANKOV P et al. Extrusion-based 3D printing for highly porous alginate materials production[J]. Gels, 92(2021).

[65] SUN H, HU C, ZHOU C et al. 3D printing of calcium phosphate scaffolds with controlled release of antibacterial functions for jaw bone repair[J]. Materials & Design, 189: 108540(2020).

[66] LIU G, YAN Y. Research progress of porous ceramics produced by freeze casting technique[J]. Journal of Inorganic Materials, 571(2014).

[68] RENTERIA A, DIAZ J A, HE B et al. Particle size influence on material properties of BaTiO₃ ceramics fabricated using freeze- form extrusion 3D printing[J]. Materials Research Express, 115211(2019).

[69] LI F, ZHAO L, DANG W et al. Pore structure and thermal oxidation curing behavior of porous polymer derived ceramics with superhigh porosity fabricated by freeze casting[J]. Ceramics International, 31114(2021).

[70] MOON Y W, CHOI I J, KOH Y H et al. Porous alumina ceramic scaffolds with biomimetic macro/micro-porous structure using three- dimensional (3-D) ceramic/camphene-based extrusion[J]. Ceramics International, 12371(2015).

[71] YOON B H, CHOI W Y, KIM H E et al. Aligned porous alumina ceramics with high compressive strengths for bone tissue engineering[J]. Scripta Materialia, 537(2008).

[72] CHEN R, WANG C A, HUANG Y et al. Ceramics with special porous structures fabricated by freeze-gelcasting: using tert-butyl alcohol as a template[J]. Journal of the American Ceramic Society, 3478(2007).

[73] TOMECKOVA V, HALLORAN J W. Porous ceramics by photopolymerization with terpene-acrylate vehicles[J]. Journal of the American Ceramic Society, 3763(2012).

[74] SOFIE S W, DOGAN F. Freeze casting of aqueous alumina slurries with glycerol[J]. Journal of the American Ceramic Society, 1459(2001).

[75] DE HAZAN Y, THÄNERT M, TRUNEC M et al. Robotic deposition of 3D nanocomposite and ceramic fiber architectures via UV curable colloidal inks[J]. Journal of the European Ceramic Society, 1187(2012).

[76] MAENG W Y, JEON J W, LEE J B et al. Photocurable ceramic/ monomer feedstocks containing terpene crystals as sublimable porogen for UV curing-assisted 3D plotting[J]. Journal of the European Ceramic Society, 3469(2020).

[77] MAENG W Y, LEE J B, KOH Y H et al. Innovative in situ photocuring-assisted 3D plotting technique for complex-shaped ceramic architectures with high shape retention[J]. Ceramics International, 8440(2019).

[78] JONHSON W, XU X, BIAN K et al. 3D-printed hierarchical ceramic architectures for ultrafast emulsion treatment and simultaneous oil-water filtration[J]. ACS Materials Letters, 740(2022).

[79] JONHSON W, XU X, ZHANG D et al. Fabrication of 3D-printed ceramic structures for portable solar desalination devices[J]. ACS Applied Materials & Interfaces, 23220(2021).

[80] WANG L, FENG J, JIANG Y et al. Ultraviolet-assisted direct- write printing strategy towards polyorganosiloxane-based aerogels with freeform geometry and outstanding thermal insulation performance[J]. Chemical Engineering Journal, 455: 140818(2022).

[81] XU X, YANG J, JONHSON W et al. Additive manufacturing solidification methodologies for ink formulation[J]. Additive Manufacturing, 56: 102939(2022).

[83] FU R, ZHENG B, LIU J et al. The fabrication and characterization of carbon aerogels by gelation and supercritical drying in isopropanol[J]. Advanced Functional Materials, 558(2003).

[84] GARCÍA-GONZÁLEZ C A, CAMINO-REY M, ALNAIEF M et al. Supercritical drying of aerogels using CO₂: effect of extraction time on the end material textural properties[J]. The Journal of Supercritical Fluids, 66: 297(2012).

[86] LI Z, XU M, WANG J et al. Recent advances in cryogenic 3D printing technologies[J]. Advanced Engineering Materials, 2200245(2022).

[87] SIMóN-HERRERO C, CAMINERO-HUERTAS S, ROMERO A et al. Effects of freeze-drying conditions on aerogel properties[J]. Journal of Materials Science, 51: 8977(2016).

[88] OIKONOMOPOULOU V P, KROKIDA M K, KARATHANOS V T. The influence of freeze drying conditions on microstructural changes of food products[J]. Procedia Food Science, 1: 647(2011).

[89] GUO Z, AN L, LAKSHMANAN S et al. Additive manufacturing of porous ceramics with foaming agent[J]. Journal of Manufacturing Science and Engineering, 021010(2022).

[90] DEE P, TAN S. LE FERRAND H. Fabrication of microstructured calcium phosphate ceramics scaffolds by material extrusion-based 3D printing approach[J]. International Journal of Bioprinting, 551(2022).

[91] JIN H, YANG Z, ZHONG J et al. Mechanical and dielectric properties of 3D printed highly porous ceramics fabricated via stable and durable gel ink.[J]. Journal of the European Ceramic Society, 4680(2019).

[92] SESSO M L, SLATER S, THORNTON J et al. Direct ink writing of hierarchical porous ultra-high temperature ceramics (ZrB₂[J]. Journal of the American Ceramic Society, 4977(2021).

[93] PUTZ F, SCHERER S, OBER M et al. 3D printing of hierarchical porous silica and α-quartz[J]. Advanced Materials Technologies, 1800060(2018).

[94] KEMP J W, HMEIDAT N S, COMPTON B G. Boron nitride- reinforced polysilazane-derived ceramic composites via direct-ink writing[J]. Journal of the American Ceramic Society, 4043(2020).

[95] MUTH J T, DIXON P G, WOISH L et al. Architected cellular ceramics with tailored stiffness via direct foam writing[J]. Proceedings of the National Academy of Sciences, 1832(2017).

[96] CHAN S S, SESSO M L, FRANKS G V. Direct ink writing of hierarchical porous alumina-stabilized emulsions: rheology and printability[J]. Journal of the American Ceramic Society, 5554(2020).

[97] ALENI A H, KRETZSCHMAR N, JANSSON A et al. 3D printing of dense and porous TiO₂ structures[J]. Ceramics International, 16725(2020).

[98] REN B, LIU J, WANG Y et al. Hierarchical cellular scaffolds fabricated via direct foam writing using gelled colloidal particle- stabilized foams as the ink.[J]. Journal of the American Ceramic Society, 6498(2019).

[99] ZHANG X, HUO W, LIU J et al. 3D printing boehmite gel foams into lightweight porous ceramics with hierarchical pore structure[J]. Journal of the European Ceramic Society, 930(2020).

[100] ZHANG G, CHEN H, YANG S et al. Frozen slurry-based laminated object manufacturing to fabricate porous ceramic with oriented lamellar structure[J]. Journal of the European Ceramic Society, 4014(2018).

[101] WANG H, LI X D, YU J S et al. Fabrication and characterization of ordered macroporous PMS-derived SiC from a sacrificial template method[J]. Journal of Materials Chemistry, 1383(2004).

[102] WANG H, SUNG I, LI X et al. Fabrication of porous SiC ceramics with special morphologies by sacrificing template method[J]. Journal of Porous Materials, 11: 265(2004).

[103] KUMAR B M, KIM Y W. Processing of polysiloxane-derived porous ceramics: a review[J]. Science and Technology of Advanced Materials, 044303(2010).

[104] YANG G, GUAN R, ZHEN H et al. Tunable size of hierarchically porous alumina ceramics based on DIW 3D printing supramolecular gel.[J]. ACS Applied Materials & Interfaces, 10998(2022).

[105] ZHAO S, SIQUEIRA G, DRDOVA S et al. Additive manufacturing of silica aerogels[J]. Nature, 387(2020).

[106] FARRELL E S, GANONYAN N, COOPERSTEIN I et al. 3D- printing of ceramic aerogels by spatial photopolymerization[J]. Applied Materials Today, 24: 101083(2021).

[108] YU W, SUN X, MENG H et al. 3D printed porous ceramic scaffolds for bone tissue engineering: a review[J]. Biomaterials Science, 1690(2017).

[109] FENG Y, ZHU S, MEI D et al. Application of 3D printing technology in bone tissue engineering: a review[J]. Current Drug Delivery, 847(2021).

[110] HALEEM A, JAVAID M, KHAN R H et al. 3D printing applications in bone tissue engineering[J]. Journal of Clinical Orthopaedics and Trauma, 11: S118(2020).

[111] KANWAR S, VIJAYAVENKATARAMAN S. Design of 3D printed scaffolds for bone tissue engineering: a review[J]. Bioprinting, 24: e00167(2021).

[112] SHAO H, SUN M, ZHANG F et al. Custom repair of mandibular bone defects with 3D printed bioceramic scaffolds[J]. Journal of Dental Research, 68(2018).

[113] ZOCCA A, FRANCHIN G, ELSAYED H et al. Direct ink writing of a preceramic polymer and fillers to produce hardystonite (Ca₂ZnSi₂O₇) bioceramic scaffolds[J]. Journal of the American Ceramic Society, 1960(2016).

[114] ELSAYED H, GARDIN C, FERRONI L et al. Highly porous Sr/Mg-doped hardystonite bioceramics from preceramic polymers and reactive fillers: direct foaming and direct ink writing[J]. Advanced Engineering Materials, 1800900(2019).

[115] LIU D, JIANG P, LI X et al. 3D printing of metal-organic frameworks decorated hierarchical porous ceramics for high-efficiency catalytic degradation[J]. Chemical Engineering Journal, 397: 125392(2020).

[116] HOSLETT J, MASSARA T M, MALAMIS S et al. Surface water filtration using granular media and membranes: a review[J]. Science of the Total Environment, 639: 1268(2018).

[117] LI N, LU X, HE M et al. Catalytic membrane-based oxidation- filtration systems for organic wastewater purification: a review[J]. Journal of Hazardous Materials, 414: 125478(2021).

[118] NADAGOUDA M N, GINN M, RASTOGI V. A review of 3D printing techniques for environmental applications[J]. Current Opinion in Chemical Engineering, 28: 173(2020).

[119] GHOSAL P, GUPTA B, AMBEKAR R S et al. 3D printed materials in water treatment applications[J]. Advanced Sustainable Systems, 2100282(2022).

[120] JIN Z, MEI H, LIU H et al. High-strength, superhydrophilic/ underwater superoleophobic multifunctional ceramics for high efficiency oil-water separation and water purification[J]. Materials Today Nano, 18: 100199(2022).

[121] LIU K, ZHANG Q, ZHOU C et al. 4D printing of lead zirconate titanate piezoelectric composites transducer based on direct ink writing[J]. Frontiers in Materials, 8: 659441(2021).

[122] NAN B, ZANG J D, LU W L et al. Recent progress on additive manufacturing of piezoelectric ceramics[J]. Journal of Inorganic Materials, 585(2022).

[123] LIU K, SUN C, SHI Y S et al. Current status and prospect of additive manufacturing piezoceramics[J]. Journal of Inorganic Materials, 278(2022).

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

[125] WALTON R L, BROVA M J, WATSON B H et al. Direct writing of textured ceramics using anisotropic nozzles[J]. Journal of the European Ceramic Society, 1945(2021).