Nnuru a ɛyɛ adwuma rekɔ so wɔ yɛn ho nyinaa bere nyinaa —ɛda adi sɛ wususuw ho a, nanso yɛn mu baahe na yɛyɛ saa bere a yɛhyɛ kar ase, noa ɛmo, anaa yɛhyɛ yɛn sare mu aduannuru?
Nnuru a ɛma nneɛma yɛ kɛse ho ɔbenfo Richard Kong asusuw nnuru a ɛma nneɛma yɛ adwuma ho. Wɔ n’adwuma sɛ “nnyigyei ho nimdefo a ɔyɛ adwumaden” mu, sɛnea n’ankasa ka no, ɛnyɛ sɛnea n’ani gye nneyɛe a ɛsɔre wɔ n’ankasa mu nko ho, na mmom sɛ ɔbɛkanyan nnipa foforo nso.
Sɛ́ Klarman Fellow wɔ Chemistry ne Chemical Biology mu wɔ College of Arts and Sciences no, Kong yɛ adwuma de yɛ nneɛma a ɛma nnuru yɛ adwuma ma ɛyɛ nea wɔpɛ, na ɛyɛ nneɛma a ahobammɔ wom na ɛsom bo mpo, a nea ebetumi anya onipa so nkɛntɛnso pa ka ho. apomuden. Wukuada.
Kong kaa carbon dioxide a ɛba bere a kar hyew pɛtro a efi abo mu no ho asɛm no kae sɛ: “Nnuru a ɛyɛ adwuma kɛse bi kɔ so a obiara mmoa biara.” "Nanso nnuru a ɛyɛ den na ɛyɛ den kɛse no nsi ara kwa. Ɛha na nnuru a ɛma nneɛma yɛ adwuma no ba."
Kong ne ne mfɛfo yɛɛ ade bi a ɛbɛma wɔatumi akyerɛ sɛnea wɔpɛ sɛ wɔyɛ wɔn ade, na ɛbaa saa. Sɛ nhwɛso no, wobetumi adan carbon dioxide ayɛ no formic acid, methanol, anaa formaldehyde denam nea ɛfata a wɔbɛpaw na wɔasɔ tebea horow a ɛma ɛyɛ adwuma no ahwɛ so.
Kyle Lancaster, ɔbenfo a ɔkyerɛ nnuruyɛ ne nnuru abɔde a nkwa wom ho adesua (A&S) ne Kong adesuabea no kae sɛ ɔkwan a Kong fa so no ne Lancaster kwan a “ɛma wohu nneɛma” no hyia yiye. Lancaster kae sɛ: “Ná Richard wɔ adwene sɛ ɔde tin bedi dwuma de ama ne nnuruyɛ atu mpɔn, na na enni me nkyerɛwee no mu da.” “Ɛyɛ ade a ɛkanyan carbon dioxide a wɔpaw ma ɛdan biribi a ɛsom bo kɛse, na carbon dioxide nya press bɔne pii.”
Kong ne ne mfɛfo huu nhyehyɛe bi a, wɔ tebea horow bi mu no, ebetumi adan carbon dioxide ayɛ no formic acid nnansa yi.
Kong kae sɛ: “Bere a mprempren yennbɛn sɛnea wɔyɛ nneɛma foforo a ɛyɛ nwonwa no, wotumi hyehyɛ yɛn nhyehyɛe no yiye.” "Enti yebetumi afi ase ate nea enti a nneɛma bi a ɛma nneɛma yɛ adwuma ntɛmntɛm sen afoforo, nea enti a nneɛma bi a ɛma nneɛma yɛ kɛse fi awosu mu no ye. Yebetumi atwe nneɛma a ɛma nneɛma yɛ adwuma no parameters na yɛabɔ mmɔden sɛ yɛbɛte nea ɛma nneɛma yi yɛ adwuma ntɛmntɛm no ase, efisɛ dodow a ɛyɛ adwuma ntɛmntɛm no, dodow no ara na eye – wubetumi abɔ molecule ahorow ntɛmntɛm."
Ɔka sɛ sɛ́ Klarman Fellow no, Kong nso reyɛ adwuma de adan nitrates, awuduru a ɛtaa kɔ nsu kwan mu, fi nneɛma a atwa yɛn ho ahyia mu ma ɛbɛyɛ ade a asiane biara nni ho.
Kong sɔɔ asase so dade a wɔtaa de di dwuma te sɛ aluminium ne tin hwɛe sɛ nneɛma a ɛma nneɛma yɛ kɛse. Ɔkae sɛ dade no bo nyɛ den, ɛnyɛ awuduru na ɛdɔɔso wɔ asase no mu, enti sɛ wɔde bedi dwuma a, ɛremma nsɛm a ɛfa sɛnea ɛbɛkɔ so atra hɔ daa ho mma.
Kong kae sɛ: “Yɛresusuw sɛnea yɛbɛyɛ nneɛma a ɛma nneɛma yɛ kɛse wɔ baabi a saa dade yi mu abien ne wɔn ho wɔn ho di nkitaho nso ho.” “Ɛdenam dade abien a yɛde bedi dwuma wɔ nhyehyɛe no mu so no, nneyɛe ne nsɛmmisa a ɛyɛ anigye bɛn na yebetumi anya afi dade abien nhyehyɛe ahorow mu?” “nnuru a ɛyɛ adwuma?”
Sɛnea Kong kyerɛ no, scaffolding ne nnuru a ɛwɔ baabi a saa dade yi te.
Mfe 70 a atwam ni no, na ade a wɔtaa yɛ ne sɛ wɔde dade mfinimfini biako bedi dwuma de anya nnuru mu nsakrae, nanso wɔ mfe du anaa nea ɛte saa a atwam no mu no, nnuruyɛfo a wɔwɔ adwuma no mu afi ase rehwehwɛ nkitahodi a ɛda dade abien a wɔde nnuru abɔ anaasɛ ɛne wɔn ho wɔn ho abɔ ntam no mu. , Kong kae sɛ, “Ɛma wunya ahofadi dodow bi.”
Kong ka sɛ saa dade abien a ɛma nneɛma yɛ kɛse yi ma nnuruyɛfo tumi de dade a ɛma nneɛma yɛ hyew bom gyina wɔn ahoɔden ne wɔn mmerɛwyɛ so. Sɛ nhwɛso no, dade mfinimfini a ɛnkyekyere ade a ɛwɔ ase no yiye nanso ɛbubu nkitahodi yiye no betumi ne dade mfinimfini foforo a ɛbubu nkitahodi a ɛnyɛ papa nanso ɛnkyekyere ade a ɛwɔ ase no mu yiye no ayɛ adwuma. Dade a ɛto so abien a ɛwɔ hɔ no nso ka dade a edi kan no su.
”Wubetumi afi ase anya nea yɛfrɛ no synergistic effect a ɛda dade mfinimfini abien no ntam,” Kong kae. “Nneyɛe ahorow bi a ɛyɛ soronko na ɛyɛ nwonwa ankasa afi ase reda adi wɔ bimetallic catalysis mu.”
Kong kae sɛ adwenem naayɛ pii da so ara wɔ sɛnea dade ahorow bom wɔn ho wɔn ho wɔ molecule ahorow mu no ho. N’ani gyee sɛnea nnuru no ankasa yɛ fɛ no ho te sɛ nea n’ani gyee nea efii mu bae no ho no. Wɔde Kong baa Lancaster aduruyɛdan mu esiane wɔn nimdeɛ a wɔwɔ wɔ X-ray spectroscopy mu nti.
Lancaster kae sɛ: “Ɛyɛ ade a ɛne wɔn ho wɔn ho di nkitaho.” "X-ray spectroscopy boaa Richard ma ɔtee nea na ɛwɔ hood no ase ne nea ɛmaa tin yɛɛ adwuma titiriw na etumi yɛ saa nnuru yi ase. Yenya so mfaso fi nimdeɛ kɛse a ɔwɔ wɔ kuw nnuruyɛ mu nneɛma atitiriw ho, a abue wɔ adwuma foforo mu no mu."
Ne nyinaa ba fam wɔ nnuruyɛ ne nhwehwɛmu atitiriw so, ɔkwan a Open Klarman Fellowship na ɛma ɛyɛɛ yiye, Kong kae.
Ɔkae sɛ: “Mpɛn pii no metumi ayɛ sɛnea wɔyɛ ade no wɔ aduruyɛdan mu anaasɛ metena kɔmputa no ho ayɛ molecule no ho mfonini.” “Yɛrebɔ mmɔden sɛ yebenya nnuru dwumadi ho mfonini a edi mũ sɛnea yebetumi.”