Tuned optical transmittance in single-step-derived silica aerogels through pH-controlled microstructure Wesam A. A. Twej*, Ashraf M. Alattar, Matthew Drexler, Faisal M. Alamgir, 10.1007/s40089-017-0216-0 XML Requires Subscription PDF Requires Subscription HTML downloads: 128 views: 40