{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T23:21:35Z","timestamp":1792797695626,"version":"4.5.0"},"reference-count":84,"publisher":"Wiley","issue":"24","license":[{"start":{"date-parts":[[2022,11,18]],"date-time":"2022-11-18T00:00:00Z","timestamp":1668729600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["aces.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry \u0097 An Asian Journal"],"published-print":{"date-parts":[[2022,12,14]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In the current scenario of increased pollution and releasing toxic gases by burning petroleum products, switching to natural gas is more promising for reducing CO<jats:sub>2<\/jats:sub> emissions and air pollutants. Hence, research on Liquefied Natural Gas and Compressed Natural Gas is gaining more value. However, natural gas primarily consists of CH<jats:sub>4<\/jats:sub>, which has less energy density than conventional fuels. Interestingly, since the C\u2212H ratio of CH<jats:sub>4<\/jats:sub> gas is 1\u2009:\u20094, it is easily combustible, gives less carbon footprint, and reduces unburnt hydrocarbon pollution. Hence, research on storing and transporting CH<jats:sub>4<\/jats:sub> has utmost importance, and porous materials are one of the suitable candidates for storing CH<jats:sub>4<\/jats:sub>. Herein we report the scalable synthesis of highly porous and crystalline covalent organic frameworks for storing CH<jats:sub>4<\/jats:sub> at room temperature and pressure. Two COFs, namely, <jats:bold>Tp\u2010Azo<\/jats:bold> and <jats:bold>Tp\u2010Azo\u2010BD(Me)<jats:sub>2<\/jats:sub><\/jats:bold>, synthesized in 1\u2005kg at \u223c45\u2005g batch scale using a Planetary mixer, displayed a maximum BET surface area of around 3345\u2005m<jats:sup>2<\/jats:sup>\/g, and 2342\u2005m<jats:sup>2<\/jats:sup>\/g and CH<jats:sub>4<\/jats:sub> storage of 174.10\u2005cc\/cc and 151\u2005cc\/cc, respectively. A comparison of the CH<jats:sub>4<\/jats:sub> sorption of <jats:bold>Tp\u2010Azo<\/jats:bold> and <jats:bold>Tp\u2010Azo\u2010BD(Me)<jats:sub>2<\/jats:sub><\/jats:bold> COFs synthesized in different batches has a variation of only \u00b15\u2005cc\/cc and shows the consistency in bulk scale synthesis of COFs. The cyclic equilibrium CH<jats:sub>4<\/jats:sub> adsorption studies showed the COFs are stable with consistent CH<jats:sub>4<\/jats:sub> adsorption and desorption cycles. The present study is a step towards the scalable mechanochemical synthesis of COFs for gas storage applications.<\/jats:p>","DOI":"10.1002\/asia.202201012","type":"journal-article","created":{"date-parts":[[2022,11,1]],"date-time":"2022-11-01T01:40:10Z","timestamp":1667266810000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":38,"title":["Scalable Mechanochemical Synthesis of <i>\u03b2<\/i>\u2010Ketoenamine\u2010linked Covalent Organic Frameworks for Methane Storage"],"prefix":"10.1002","volume":"17","author":[{"given":"Kiran","family":"Asokan","sequence":"first","affiliation":[{"name":"Organic Chemistry Division National Chemical Laboratory (CSIR-NCL)  Dr. Homi Bhabha Road Pune 411008 India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manoj Krishnat","family":"Patil","sequence":"additional","affiliation":[{"name":"Physical and Materials Chemistry Division National Chemical Laboratory (CSIR-NCL)  Dr. Homi Bhabha Road Pune 411008 India"},{"name":"Academy of Scientific and Innovative Research (AcSIR)  Ghaziabad 201 002 India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6283-0179","authenticated-orcid":false,"given":"Shatabdi Porel","family":"Mukherjee","sequence":"additional","affiliation":[{"name":"Physical and Materials Chemistry Division National Chemical Laboratory (CSIR-NCL)  Dr. Homi Bhabha Road Pune 411008 India"},{"name":"Academy of Scientific and Innovative Research (AcSIR)  Ghaziabad 201 002 India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1959-6142","authenticated-orcid":false,"given":"Santhosh Babu","family":"Sukumaran","sequence":"additional","affiliation":[{"name":"Organic Chemistry Division National Chemical Laboratory (CSIR-NCL)  Dr. Homi Bhabha Road Pune 411008 India"},{"name":"Academy of Scientific and Innovative Research (AcSIR)  Ghaziabad 201 002 India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T.","family":"Nandakumar","sequence":"additional","affiliation":[{"name":"GAIL (India) ltd  Noida India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,11,18]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"publisher","DOI":"10.1021\/jp809539w"},{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1023\/A:1009673830619"},{"key":"e_1_2_8_3_1","doi-asserted-by":"crossref","unstructured":"D.\u2005J. 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