Fig. 7

UV-vis absorption spectra of (a) stacked BBL chains, (b) H\(_{2}\)S, and (c) NH\(_{3}\) gases on the side of the BBL (stacked) chains, (d) H\(_{2}\)S, and (e) NH\(_{3}\) gases on the top of the BBL (stacked) chains.

UV-vis absorption spectra of (a) stacked BBL chains, (b) H\(_{2}\)S, and (c) NH\(_{3}\) gases on the side of the BBL (stacked) chains, (d) H\(_{2}\)S, and (e) NH\(_{3}\) gases on the top of the BBL (stacked) chains.