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	<title>pulse oximetry &#8211; BIOENGINEER.ORG</title>
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		<title>Hydrogen-Bond Trick Tames Evaporated Perovskites for Efficient Near-Infrared LEDs</title>
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		<pubDate>Fri, 23 Oct 2026 13:22:03 +0000</pubDate>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[crystallization]]></category>
		<category><![CDATA[external quantum efficiency]]></category>
		<category><![CDATA[FAPbI3]]></category>
		<category><![CDATA[hydrogen bonding]]></category>
		<category><![CDATA[intermediate phase]]></category>
		<category><![CDATA[near-infrared]]></category>
		<category><![CDATA[perovskite LEDs]]></category>
		<category><![CDATA[pulse oximetry]]></category>
		<category><![CDATA[PyDA]]></category>
		<category><![CDATA[thermal evaporation]]></category>
		<category><![CDATA[vacuum deposition]]></category>
		<category><![CDATA[wearable sensors]]></category>
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					<description><![CDATA[Researchers used a dual-amide hydrogen-bonding additive to control crystallization in thermally evaporated perovskite films, yielding near-infrared LEDs with a 25.0 percent external quantum efficiency and a wearable dual-color oximeter demonstration.]]></description>
		
		
		
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