Ka taea e ngā tohunga ahupūngao o te VCU te whakarato i tētahi rautaki hopu CO2 hou

Kua kitea e ngā kairangahau o VCU tētahi whakakorikori whai hua mō te hurihanga matū wera o te hauhā waro ki te waikawa formic — he kitenga ka taea te whakarato i tētahi rautaki hopu waro hou ka taea te whakaiti i te mea e aro ana te ao ki te huringa āhuarangi. He mea nui pea mō te hauhā waro o te āhuarangi.
"E mōhiotia whānuitia ana ko te tere o te tipu o ngā hau kati kōtuhi i te āhuarangi me ōna pānga kino ki te taiao tētahi o ngā wero nui e pā ana ki te tangata i ēnei rā," te kī a te kaituhi matua a Tākuta Shiv N. Khanna, Ahorangi Emeritus o te Commonwealth i te tari ahupūngao i te Faculty of Humanities VCU. "Ko te hurihanga whakatere o te CO2 ki ngā matū whai hua pēnei i te waikawa formic (HCOOH) he rautaki rerekē whai hua hei whakaiti i ngā pānga kino o te CO2. He wai iti te paitini o te waikawa formic, he ngāwari ki te kawe me te penapena i te pāmahana taiao. Ka taea hoki te whakamahi hei matū matua tāpiri uara nui, hei kawe rokiroki hauwai, me te whakakapinga wahie pūmua pea ā muri ake nei."
I kitea e Hanna rāua ko te kairangahau ahupūngao o VCU, a Tākuta Turbasu Sengupta, ka taea e ngā tautau here o ngā chalcogenides whakarewa te mahi hei whakakorikori mō te huringa matū wera o te CO2 ki te waikawa formic. Kua whakaahuahia ā rātou hua i roto i tētahi pepa ko "Conversion of CO2 to Formic Acid by Tuning Quantum States in Metal Chalcogenide Clusters" i whakaputaina ki Communications Chemistry of Nature Portfolio.
"Kua whakaaturia e mātou, mā te huinga tika o ngā ligands, ka taea te whakaiti i te arai tauhohenga ki te huri i te CO2 ki te waikawa formic, ka tere ake te hanga o te waikawa formic," te kī a Hanna. "Nō reira, ka kī mātou ka taea e ēnei whakakorikori e kīia ana te whakahaere i te hanga o te waikawa formic kia māmā ake, kia taea ake rānei. Ko te whakamahi i ngā tautau nui ake me ngā pae here ligand he nui ake, mā te tāpiri rānei i ngā ligands kaituku whai hua ake, e hangai ana ki ā mātou whakapainga atu i roto i te hurihanga waikawa formic ka taea te whakatutuki i runga ake i ngā mea e whakaaturia ana i roto i ngā whakatauira rorohiko."
E hangai ana te rangahau ki ngā mahi o mua a Hanna e whakaatu ana mā te whiriwhiri tika i te ligand ka taea te huri i tētahi tautau hei superdonor e tuku ana i ngā irahiko, hei kaiwhiwhi rānei e tango ana i ngā irahiko.
"Inaianei ka whakaatuhia e mātou he nui te kaha o taua pānga ki te whakakorikori i runga i ngā tautau chalcogenide whakarewa," te kī a Hanna. "Ko te kaha ki te hanga tautau here pumau me te whakahaere i tō rātou kaha ki te tuku, ki te tango rānei i ngā irahiko ka whakatuwhera i tētahi mara hou o te whakakorikori, nā te mea ko te nuinga o ngā tauhohenga whakakorikori e whakawhirinaki ana ki ngā whakakorikori e tuku ana, e tango ana rānei i ngā irahiko."
Ka toro atu a Tākuta Xavier Roy, Ahorangi Tuarua o te Matū i Te Whare Wānanga o Columbia, ki VCU, tētahi o ngā kaipūtaiao whakamātautau tuatahi o tēnei mara, hei te 7 o Paenga-whāwhā mō te Huihuinga Koanga o te Tari Ahupūngao.
"Ka mahi tahi mātou me ia ki te kite me pēhea e taea ai e mātou te whakawhanake me te whakatinana i tētahi whakakorikori rite tonu mā te whakamahi i tana taiwhanga whakamātautau," te kī a Hanna. "Kua mahi tahi mātou me tana rōpū, i reira i hangaia ai e rātou tētahi momo rauemi aukume hou. I tēnei wā, ko ia te whakakorikori."
Ohauru ki te Pānui VCU i newsletter.vcu.edu, ā, ka whiwhi koe i ngā kōrero, ngā ataata, ngā whakaahua, ngā purongo poto me ngā rārangi kaupapa kua whiriwhiria i roto i tō pouakaroto.
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Wā tuku: Mei-19-2023